diff options
Diffstat (limited to 'arch')
250 files changed, 2483 insertions, 1435 deletions
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index cb6811e..7ad75b4 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -144,7 +144,7 @@ compatible = "ti,edma3"; ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2"; reg = <0x49000000 0x10000>, - <0x44e10f90 0x10>; + <0x44e10f90 0x40>; interrupts = <12 13 14>; #dma-cells = <1>; dma-channels = <64>; diff --git a/arch/arm/boot/dts/am3517.dtsi b/arch/arm/boot/dts/am3517.dtsi index 788391f..5a452fd 100644 --- a/arch/arm/boot/dts/am3517.dtsi +++ b/arch/arm/boot/dts/am3517.dtsi @@ -62,5 +62,21 @@ }; }; +&iva { + status = "disabled"; +}; + +&mailbox { + status = "disabled"; +}; + +&mmu_isp { + status = "disabled"; +}; + +&smartreflex_mpu_iva { + status = "disabled"; +}; + /include/ "am35xx-clocks.dtsi" /include/ "omap36xx-am35xx-omap3430es2plus-clocks.dtsi" diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts index df8798e..a055f7f 100644 --- a/arch/arm/boot/dts/am437x-gp-evm.dts +++ b/arch/arm/boot/dts/am437x-gp-evm.dts @@ -117,6 +117,11 @@ status = "okay"; }; +&gpio5 { + status = "okay"; + ti,no-reset-on-init; +}; + &mmc1 { status = "okay"; vmmc-supply = <&vmmcsd_fixed>; diff --git a/arch/arm/boot/dts/armada-370-db.dts b/arch/arm/boot/dts/armada-370-db.dts index 82f238a..3383c4b 100644 --- a/arch/arm/boot/dts/armada-370-db.dts +++ b/arch/arm/boot/dts/armada-370-db.dts @@ -67,6 +67,7 @@ i2c@11000 { pinctrl-0 = <&i2c0_pins>; pinctrl-names = "default"; + clock-frequency = <100000>; status = "okay"; audio_codec: audio-codec@4a { compatible = "cirrus,cs42l51"; diff --git a/arch/arm/boot/dts/armada-375-db.dts b/arch/arm/boot/dts/armada-375-db.dts index 9378d31..0451124 100644 --- a/arch/arm/boot/dts/armada-375-db.dts +++ b/arch/arm/boot/dts/armada-375-db.dts @@ -79,6 +79,11 @@ }; }; + sata@a0000 { + status = "okay"; + nr-ports = <2>; + }; + nand: nand@d0000 { pinctrl-0 = <&nand_pins>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/armada-380.dtsi b/arch/arm/boot/dts/armada-380.dtsi index 068031f..6d0f03c 100644 --- a/arch/arm/boot/dts/armada-380.dtsi +++ b/arch/arm/boot/dts/armada-380.dtsi @@ -99,7 +99,7 @@ pcie@3,0 { device_type = "pci"; assigned-addresses = <0x82000800 0 0x44000 0 0x2000>; - reg = <0x1000 0 0 0 0>; + reg = <0x1800 0 0 0 0>; #address-cells = <3>; #size-cells = <2>; #interrupt-cells = <1>; diff --git a/arch/arm/boot/dts/armada-385.dtsi b/arch/arm/boot/dts/armada-385.dtsi index e2919f0..da80196 100644 --- a/arch/arm/boot/dts/armada-385.dtsi +++ b/arch/arm/boot/dts/armada-385.dtsi @@ -110,7 +110,7 @@ pcie@3,0 { device_type = "pci"; assigned-addresses = <0x82000800 0 0x44000 0 0x2000>; - reg = <0x1000 0 0 0 0>; + reg = <0x1800 0 0 0 0>; #address-cells = <3>; #size-cells = <2>; #interrupt-cells = <1>; @@ -131,7 +131,7 @@ pcie@4,0 { device_type = "pci"; assigned-addresses = <0x82000800 0 0x48000 0 0x2000>; - reg = <0x1000 0 0 0 0>; + reg = <0x2000 0 0 0 0>; #address-cells = <3>; #size-cells = <2>; #interrupt-cells = <1>; diff --git a/arch/arm/boot/dts/armada-xp-db.dts b/arch/arm/boot/dts/armada-xp-db.dts index 448373c..90f0bf6 100644 --- a/arch/arm/boot/dts/armada-xp-db.dts +++ b/arch/arm/boot/dts/armada-xp-db.dts @@ -49,7 +49,7 @@ /* Device Bus parameters are required */ /* Read parameters */ - devbus,bus-width = <8>; + devbus,bus-width = <16>; devbus,turn-off-ps = <60000>; devbus,badr-skew-ps = <0>; devbus,acc-first-ps = <124000>; diff --git a/arch/arm/boot/dts/armada-xp-gp.dts b/arch/arm/boot/dts/armada-xp-gp.dts index 61bda68..0c75642 100644 --- a/arch/arm/boot/dts/armada-xp-gp.dts +++ b/arch/arm/boot/dts/armada-xp-gp.dts @@ -59,7 +59,7 @@ /* Device Bus parameters are required */ /* Read parameters */ - devbus,bus-width = <8>; + devbus,bus-width = <16>; devbus,turn-off-ps = <60000>; devbus,badr-skew-ps = <0>; devbus,acc-first-ps = <124000>; @@ -146,22 +146,22 @@ ethernet@70000 { status = "okay"; phy = <&phy0>; - phy-mode = "rgmii-id"; + phy-mode = "qsgmii"; }; ethernet@74000 { status = "okay"; phy = <&phy1>; - phy-mode = "rgmii-id"; + phy-mode = "qsgmii"; }; ethernet@30000 { status = "okay"; phy = <&phy2>; - phy-mode = "rgmii-id"; + phy-mode = "qsgmii"; }; ethernet@34000 { status = "okay"; phy = <&phy3>; - phy-mode = "rgmii-id"; + phy-mode = "qsgmii"; }; /* Front-side USB slot */ diff --git a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts index 985948c..5d42feb 100644 --- a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts +++ b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts @@ -39,7 +39,7 @@ /* Device Bus parameters are required */ /* Read parameters */ - devbus,bus-width = <8>; + devbus,bus-width = <16>; devbus,turn-off-ps = <60000>; devbus,badr-skew-ps = <0>; devbus,acc-first-ps = <124000>; diff --git a/arch/arm/boot/dts/at91-sama5d3_xplained.dts b/arch/arm/boot/dts/at91-sama5d3_xplained.dts index ce13755..4537259 100644 --- a/arch/arm/boot/dts/at91-sama5d3_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d3_xplained.dts @@ -34,7 +34,7 @@ }; spi0: spi@f0004000 { - cs-gpios = <&pioD 13 0>; + cs-gpios = <&pioD 13 0>, <0>, <0>, <&pioD 16 0>; status = "okay"; }; @@ -79,7 +79,7 @@ }; spi1: spi@f8008000 { - cs-gpios = <&pioC 25 0>, <0>, <0>, <&pioD 16 0>; + cs-gpios = <&pioC 25 0>; status = "okay"; }; diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index 366fc2c..c0e0eae 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -641,7 +641,7 @@ trigger@3 { reg = <3>; trigger-name = "external"; - trigger-value = <0x13>; + trigger-value = <0xd>; trigger-external; }; }; diff --git a/arch/arm/boot/dts/at91sam9261.dtsi b/arch/arm/boot/dts/at91sam9261.dtsi index e21dda0e..3be973e 100644 --- a/arch/arm/boot/dts/at91sam9261.dtsi +++ b/arch/arm/boot/dts/at91sam9261.dtsi @@ -10,7 +10,7 @@ #include <dt-bindings/pinctrl/at91.h> #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/gpio/gpio.h> -#include <dt-bindings/clk/at91.h> +#include <dt-bindings/clock/at91.h> / { model = "Atmel AT91SAM9261 family SoC"; diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi index 63e1784..92a52fa 100644 --- a/arch/arm/boot/dts/at91sam9rl.dtsi +++ b/arch/arm/boot/dts/at91sam9rl.dtsi @@ -8,7 +8,7 @@ #include "skeleton.dtsi" #include <dt-bindings/pinctrl/at91.h> -#include <dt-bindings/clk/at91.h> +#include <dt-bindings/clock/at91.h> #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/gpio/gpio.h> diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts index 9583563..8a558b7 100644 --- a/arch/arm/boot/dts/exynos4412-trats2.dts +++ b/arch/arm/boot/dts/exynos4412-trats2.dts @@ -503,7 +503,7 @@ status = "okay"; ak8975@0c { - compatible = "ak,ak8975"; + compatible = "asahi-kasei,ak8975"; reg = <0x0c>; gpios = <&gpj0 7 0>; }; diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts index 090f983..cde19c8 100644 --- a/arch/arm/boot/dts/exynos5250-arndale.dts +++ b/arch/arm/boot/dts/exynos5250-arndale.dts @@ -107,6 +107,7 @@ regulator-name = "VDD_IOPERI_1.8V"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-always-on; op_mode = <1>; }; diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts index 80a3bf4..896a2a6 100644 --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts @@ -364,16 +364,4 @@ gpio-key,wakeup; }; }; - - amba { - mdma1: mdma@11C10000 { - /* - * MDMA1 can support both secure and non-secure - * AXI transactions. When this is enabled in the kernel - * for boards that run in secure mode, we are getting - * imprecise external aborts causing the kernel to oops. - */ - status = "disabled"; - }; - }; }; diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi index c3a9a66..b69fbcb 100644 --- a/arch/arm/boot/dts/exynos5420.dtsi +++ b/arch/arm/boot/dts/exynos5420.dtsi @@ -219,16 +219,6 @@ reg = <0x100440C0 0x20>; }; - mau_pd: power-domain@100440E0 { - compatible = "samsung,exynos4210-pd"; - reg = <0x100440E0 0x20>; - }; - - g2d_pd: power-domain@10044100 { - compatible = "samsung,exynos4210-pd"; - reg = <0x10044100 0x20>; - }; - msc_pd: power-domain@10044120 { compatible = "samsung,exynos4210-pd"; reg = <0x10044120 0x20>; @@ -336,6 +326,13 @@ #dma-cells = <1>; #dma-channels = <8>; #dma-requests = <1>; + /* + * MDMA1 can support both secure and non-secure + * AXI transactions. When this is enabled in the kernel + * for boards that run in secure mode, we are getting + * imprecise external aborts causing the kernel to oops. + */ + status = "disabled"; }; }; @@ -385,7 +382,7 @@ spi_0: spi@12d20000 { compatible = "samsung,exynos4210-spi"; reg = <0x12d20000 0x100>; - interrupts = <0 66 0>; + interrupts = <0 68 0>; dmas = <&pdma0 5 &pdma0 4>; dma-names = "tx", "rx"; @@ -401,7 +398,7 @@ spi_1: spi@12d30000 { compatible = "samsung,exynos4210-spi"; reg = <0x12d30000 0x100>; - interrupts = <0 67 0>; + interrupts = <0 69 0>; dmas = <&pdma1 5 &pdma1 4>; dma-names = "tx", "rx"; @@ -417,7 +414,7 @@ spi_2: spi@12d40000 { compatible = "samsung,exynos4210-spi"; reg = <0x12d40000 0x100>; - interrupts = <0 68 0>; + interrupts = <0 70 0>; dmas = <&pdma0 7 &pdma0 6>; dma-names = "tx", "rx"; @@ -730,6 +727,5 @@ interrupts = <0 112 0>; clocks = <&clock 471>; clock-names = "secss"; - samsung,power-domain = <&g2d_pd>; }; }; diff --git a/arch/arm/boot/dts/imx53-mba53.dts b/arch/arm/boot/dts/imx53-mba53.dts index 7c8c129..a3431d7 100644 --- a/arch/arm/boot/dts/imx53-mba53.dts +++ b/arch/arm/boot/dts/imx53-mba53.dts @@ -244,7 +244,7 @@ &tve { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_vga_sync_1>; - i2c-ddc-bus = <&i2c3>; + ddc-i2c-bus = <&i2c3>; fsl,tve-mode = "vga"; fsl,hsync-pin = <4>; fsl,vsync-pin = <6>; diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi index 9c2bff2..6a1bf4f 100644 --- a/arch/arm/boot/dts/imx53.dtsi +++ b/arch/arm/boot/dts/imx53.dtsi @@ -115,7 +115,7 @@ #address-cells = <1>; #size-cells = <0>; compatible = "fsl,imx53-ipu"; - reg = <0x18000000 0x080000000>; + reg = <0x18000000 0x08000000>; interrupts = <11 10>; clocks = <&clks IMX5_CLK_IPU_GATE>, <&clks IMX5_CLK_IPU_DI0_GATE>, diff --git a/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts b/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts index 32c6fb4..b939f4f5 100644 --- a/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts +++ b/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts @@ -30,6 +30,16 @@ bootargs = "console=ttyS0,115200n8 earlyprintk"; }; + mbus { + pcie-controller { + status = "okay"; + + pcie@1,0 { + status = "okay"; + }; + }; + }; + ocp@f1000000 { pinctrl@10000 { pmx_usb_led: pmx-usb-led { @@ -73,14 +83,6 @@ ehci@50000 { status = "okay"; }; - - pcie-controller { - status = "okay"; - - pcie@1,0 { - status = "okay"; - }; - }; }; gpio-leds { diff --git a/arch/arm/boot/dts/kirkwood-nsa310-common.dtsi b/arch/arm/boot/dts/kirkwood-nsa310-common.dtsi index aa78c2d..e2cc85c 100644 --- a/arch/arm/boot/dts/kirkwood-nsa310-common.dtsi +++ b/arch/arm/boot/dts/kirkwood-nsa310-common.dtsi @@ -4,6 +4,16 @@ / { model = "ZyXEL NSA310"; + mbus { + pcie-controller { + status = "okay"; + + pcie@1,0 { + status = "okay"; + }; + }; + }; + ocp@f1000000 { pinctrl: pinctrl@10000 { @@ -26,14 +36,6 @@ status = "okay"; nr-ports = <2>; }; - - pcie-controller { - status = "okay"; - - pcie@1,0 { - status = "okay"; - }; - }; }; gpio_poweroff { diff --git a/arch/arm/boot/dts/kirkwood-t5325.dts b/arch/arm/boot/dts/kirkwood-t5325.dts index 7d1c767..0bd70d9 100644 --- a/arch/arm/boot/dts/kirkwood-t5325.dts +++ b/arch/arm/boot/dts/kirkwood-t5325.dts @@ -127,11 +127,6 @@ i2c@11000 { status = "okay"; - - alc5621: alc5621@1a { - compatible = "realtek,alc5621"; - reg = <0x1a>; - }; }; serial@12000 { diff --git a/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi b/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi index f577b7d..521c587 100644 --- a/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi +++ b/arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi @@ -24,11 +24,10 @@ compatible = "smsc,lan9221", "smsc,lan9115"; bank-width = <2>; gpmc,mux-add-data; - gpmc,cs-on-ns = <0>; - gpmc,cs-rd-off-ns = <186>; - gpmc,cs-wr-off-ns = <186>; - gpmc,adv-on-ns = <12>; - gpmc,adv-rd-off-ns = <48>; + gpmc,cs-on-ns = <1>; + gpmc,cs-rd-off-ns = <180>; + gpmc,cs-wr-off-ns = <180>; + gpmc,adv-rd-off-ns = <18>; gpmc,adv-wr-off-ns = <48>; gpmc,oe-on-ns = <54>; gpmc,oe-off-ns = <168>; @@ -36,12 +35,10 @@ gpmc,we-off-ns = <168>; gpmc,rd-cycle-ns = <186>; gpmc,wr-cycle-ns = <186>; - gpmc,access-ns = <114>; - gpmc,page-burst-access-ns = <6>; - gpmc,bus-turnaround-ns = <12>; - gpmc,cycle2cycle-delay-ns = <18>; - gpmc,wr-data-mux-bus-ns = <90>; - gpmc,wr-access-ns = <186>; + gpmc,access-ns = <144>; + gpmc,page-burst-access-ns = <24>; + gpmc,bus-turnaround-ns = <90>; + gpmc,cycle2cycle-delay-ns = <90>; gpmc,cycle2cycle-samecsen; gpmc,cycle2cycle-diffcsen; vddvario-supply = <&vddvario>; diff --git a/arch/arm/boot/dts/omap2.dtsi b/arch/arm/boot/dts/omap2.dtsi index 22f35ea..8f8c07d 100644 --- a/arch/arm/boot/dts/omap2.dtsi +++ b/arch/arm/boot/dts/omap2.dtsi @@ -71,13 +71,6 @@ interrupts = <58>; }; - mailbox: mailbox@48094000 { - compatible = "ti,omap2-mailbox"; - ti,hwmods = "mailbox"; - reg = <0x48094000 0x200>; - interrupts = <26>; - }; - intc: interrupt-controller@1 { compatible = "ti,omap2-intc"; interrupt-controller; diff --git a/arch/arm/boot/dts/omap2420.dtsi b/arch/arm/boot/dts/omap2420.dtsi index 85b1fb0..2d99798 100644 --- a/arch/arm/boot/dts/omap2420.dtsi +++ b/arch/arm/boot/dts/omap2420.dtsi @@ -125,6 +125,14 @@ dma-names = "tx", "rx"; }; + mailbox: mailbox@48094000 { + compatible = "ti,omap2-mailbox"; + reg = <0x48094000 0x200>; + interrupts = <26>, <34>; + interrupt-names = "dsp", "iva"; + ti,hwmods = "mailbox"; + }; + timer1: timer@48028000 { compatible = "ti,omap2420-timer"; reg = <0x48028000 0x400>; diff --git a/arch/arm/boot/dts/omap2430.dtsi b/arch/arm/boot/dts/omap2430.dtsi index d09697d..42d2c61 100644 --- a/arch/arm/boot/dts/omap2430.dtsi +++ b/arch/arm/boot/dts/omap2430.dtsi @@ -216,6 +216,13 @@ dma-names = "tx", "rx"; }; + mailbox: mailbox@48094000 { + compatible = "ti,omap2-mailbox"; + reg = <0x48094000 0x200>; + interrupts = <26>; + ti,hwmods = "mailbox"; + }; + timer1: timer@49018000 { compatible = "ti,omap2420-timer"; reg = <0x49018000 0x400>; diff --git a/arch/arm/boot/dts/omap3-cm-t3x30.dtsi b/arch/arm/boot/dts/omap3-cm-t3x30.dtsi index d000558..25ba083 100644 --- a/arch/arm/boot/dts/omap3-cm-t3x30.dtsi +++ b/arch/arm/boot/dts/omap3-cm-t3x30.dtsi @@ -10,18 +10,6 @@ cpu0-supply = <&vcc>; }; }; - - vddvario: regulator-vddvario { - compatible = "regulator-fixed"; - regulator-name = "vddvario"; - regulator-always-on; - }; - - vdd33a: regulator-vdd33a { - compatible = "regulator-fixed"; - regulator-name = "vdd33a"; - regulator-always-on; - }; }; &omap3_pmx_core { @@ -35,58 +23,34 @@ hsusb0_pins: pinmux_hsusb0_pins { pinctrl-single,pins = < - OMAP3_CORE1_IOPAD(0x21a0, PIN_OUTPUT | MUX_MODE0) /* hsusb0_clk.hsusb0_clk */ - OMAP3_CORE1_IOPAD(0x21a2, PIN_OUTPUT | MUX_MODE0) /* hsusb0_stp.hsusb0_stp */ - OMAP3_CORE1_IOPAD(0x21a4, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_dir.hsusb0_dir */ - OMAP3_CORE1_IOPAD(0x21a6, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_nxt.hsusb0_nxt */ - OMAP3_CORE1_IOPAD(0x21a8, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data0.hsusb2_data0 */ - OMAP3_CORE1_IOPAD(0x21aa, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data1.hsusb0_data1 */ - OMAP3_CORE1_IOPAD(0x21ac, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data2.hsusb0_data2 */ - OMAP3_CORE1_IOPAD(0x21ae, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data3 */ - OMAP3_CORE1_IOPAD(0x21b0, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data4 */ - OMAP3_CORE1_IOPAD(0x21b2, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data5 */ - OMAP3_CORE1_IOPAD(0x21b4, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data6 */ - OMAP3_CORE1_IOPAD(0x21b6, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data7 */ + OMAP3_CORE1_IOPAD(0x21a2, PIN_OUTPUT | MUX_MODE0) /* hsusb0_clk.hsusb0_clk */ + OMAP3_CORE1_IOPAD(0x21a4, PIN_OUTPUT | MUX_MODE0) /* hsusb0_stp.hsusb0_stp */ + OMAP3_CORE1_IOPAD(0x21a6, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_dir.hsusb0_dir */ + OMAP3_CORE1_IOPAD(0x21a8, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_nxt.hsusb0_nxt */ + OMAP3_CORE1_IOPAD(0x21aa, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data0.hsusb2_data0 */ + OMAP3_CORE1_IOPAD(0x21ac, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data1.hsusb0_data1 */ + OMAP3_CORE1_IOPAD(0x21ae, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data2.hsusb0_data2 */ + OMAP3_CORE1_IOPAD(0x21b0, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data3 */ + OMAP3_CORE1_IOPAD(0x21b2, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data4 */ + OMAP3_CORE1_IOPAD(0x21b4, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data5 */ + OMAP3_CORE1_IOPAD(0x21b6, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data6 */ + OMAP3_CORE1_IOPAD(0x21b8, PIN_INPUT_PULLDOWN | MUX_MODE0) /* hsusb0_data7.hsusb0_data7 */ >; }; }; +#include "omap-gpmc-smsc911x.dtsi" + &gpmc { ranges = <5 0 0x2c000000 0x01000000>; - smsc1: ethernet@5,0 { + smsc1: ethernet@gpmc { compatible = "smsc,lan9221", "smsc,lan9115"; pinctrl-names = "default"; pinctrl-0 = <&smsc1_pins>; interrupt-parent = <&gpio6>; interrupts = <3 IRQ_TYPE_LEVEL_LOW>; reg = <5 0 0xff>; - bank-width = <2>; - gpmc,mux-add-data; - gpmc,cs-on-ns = <0>; - gpmc,cs-rd-off-ns = <186>; - gpmc,cs-wr-off-ns = <186>; - gpmc,adv-on-ns = <12>; - gpmc,adv-rd-off-ns = <48>; - gpmc,adv-wr-off-ns = <48>; - gpmc,oe-on-ns = <54>; - gpmc,oe-off-ns = <168>; - gpmc,we-on-ns = <54>; - gpmc,we-off-ns = <168>; - gpmc,rd-cycle-ns = <186>; - gpmc,wr-cycle-ns = <186>; - gpmc,access-ns = <114>; - gpmc,page-burst-access-ns = <6>; - gpmc,bus-turnaround-ns = <12>; - gpmc,cycle2cycle-delay-ns = <18>; - gpmc,wr-data-mux-bus-ns = <90>; - gpmc,wr-access-ns = <186>; - gpmc,cycle2cycle-samecsen; - gpmc,cycle2cycle-diffcsen; - vddvario-supply = <&vddvario>; - vdd33a-supply = <&vdd33a>; - reg-io-width = <4>; - smsc,save-mac-address; }; }; diff --git a/arch/arm/boot/dts/omap3-igep.dtsi b/arch/arm/boot/dts/omap3-igep.dtsi index b97736d..e2d163b 100644 --- a/arch/arm/boot/dts/omap3-igep.dtsi +++ b/arch/arm/boot/dts/omap3-igep.dtsi @@ -107,7 +107,7 @@ >; }; - smsc911x_pins: pinmux_smsc911x_pins { + smsc9221_pins: pinmux_smsc9221_pins { pinctrl-single,pins = < 0x1a2 (PIN_INPUT | MUX_MODE4) /* mcspi1_cs2.gpio_176 */ >; diff --git a/arch/arm/boot/dts/omap3-igep0020.dts b/arch/arm/boot/dts/omap3-igep0020.dts index 7abd64f..b22caaa 100644 --- a/arch/arm/boot/dts/omap3-igep0020.dts +++ b/arch/arm/boot/dts/omap3-igep0020.dts @@ -10,7 +10,7 @@ */ #include "omap3-igep.dtsi" -#include "omap-gpmc-smsc911x.dtsi" +#include "omap-gpmc-smsc9221.dtsi" / { model = "IGEPv2 (TI OMAP AM/DM37x)"; @@ -248,7 +248,7 @@ ethernet@gpmc { pinctrl-names = "default"; - pinctrl-0 = <&smsc911x_pins>; + pinctrl-0 = <&smsc9221_pins>; reg = <5 0 0xff>; interrupt-parent = <&gpio6>; interrupts = <16 IRQ_TYPE_LEVEL_LOW>; diff --git a/arch/arm/boot/dts/omap3-sb-t35.dtsi b/arch/arm/boot/dts/omap3-sb-t35.dtsi index 7909c51..d59e3de 100644 --- a/arch/arm/boot/dts/omap3-sb-t35.dtsi +++ b/arch/arm/boot/dts/omap3-sb-t35.dtsi @@ -2,20 +2,6 @@ * Common support for CompuLab SB-T35 used on SBC-T3530, SBC-T3517 and SBC-T3730 */ -/ { - vddvario_sb_t35: regulator-vddvario-sb-t35 { - compatible = "regulator-fixed"; - regulator-name = "vddvario"; - regulator-always-on; - }; - - vdd33a_sb_t35: regulator-vdd33a-sb-t35 { - compatible = "regulator-fixed"; - regulator-name = "vdd33a"; - regulator-always-on; - }; -}; - &omap3_pmx_core { smsc2_pins: pinmux_smsc2_pins { pinctrl-single,pins = < @@ -37,11 +23,10 @@ reg = <4 0 0xff>; bank-width = <2>; gpmc,mux-add-data; - gpmc,cs-on-ns = <0>; - gpmc,cs-rd-off-ns = <186>; - gpmc,cs-wr-off-ns = <186>; - gpmc,adv-on-ns = <12>; - gpmc,adv-rd-off-ns = <48>; + gpmc,cs-on-ns = <1>; + gpmc,cs-rd-off-ns = <180>; + gpmc,cs-wr-off-ns = <180>; + gpmc,adv-rd-off-ns = <18>; gpmc,adv-wr-off-ns = <48>; gpmc,oe-on-ns = <54>; gpmc,oe-off-ns = <168>; @@ -49,16 +34,14 @@ gpmc,we-off-ns = <168>; gpmc,rd-cycle-ns = <186>; gpmc,wr-cycle-ns = <186>; - gpmc,access-ns = <114>; - gpmc,page-burst-access-ns = <6>; - gpmc,bus-turnaround-ns = <12>; - gpmc,cycle2cycle-delay-ns = <18>; - gpmc,wr-data-mux-bus-ns = <90>; - gpmc,wr-access-ns = <186>; + gpmc,access-ns = <144>; + gpmc,page-burst-access-ns = <24>; + gpmc,bus-turnaround-ns = <90>; + gpmc,cycle2cycle-delay-ns = <90>; gpmc,cycle2cycle-samecsen; gpmc,cycle2cycle-diffcsen; - vddvario-supply = <&vddvario_sb_t35>; - vdd33a-supply = <&vdd33a_sb_t35>; + vddvario-supply = <&vddvario>; + vdd33a-supply = <&vdd33a>; reg-io-width = <4>; smsc,save-mac-address; }; diff --git a/arch/arm/boot/dts/omap3-sbc-t3517.dts b/arch/arm/boot/dts/omap3-sbc-t3517.dts index 024c9c6..42189b6 100644 --- a/arch/arm/boot/dts/omap3-sbc-t3517.dts +++ b/arch/arm/boot/dts/omap3-sbc-t3517.dts @@ -8,6 +8,19 @@ / { model = "CompuLab SBC-T3517 with CM-T3517"; compatible = "compulab,omap3-sbc-t3517", "compulab,omap3-cm-t3517", "ti,am3517", "ti,omap3"; + + /* Only one GPMC smsc9220 on SBC-T3517, CM-T3517 uses am35x Ethernet */ + vddvario: regulator-vddvario-sb-t35 { + compatible = "regulator-fixed"; + regulator-name = "vddvario"; + regulator-always-on; + }; + + vdd33a: regulator-vdd33a-sb-t35 { + compatible = "regulator-fixed"; + regulator-name = "vdd33a"; + regulator-always-on; + }; }; &omap3_pmx_core { diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi index acb9019..4231191 100644 --- a/arch/arm/boot/dts/omap3.dtsi +++ b/arch/arm/boot/dts/omap3.dtsi @@ -61,7 +61,7 @@ ti,hwmods = "mpu"; }; - iva { + iva: iva { compatible = "ti,iva2.2"; ti,hwmods = "iva"; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index f8c9855..36b4312 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -630,6 +630,13 @@ status = "disabled"; }; + mailbox: mailbox@4a0f4000 { + compatible = "ti,omap4-mailbox"; + reg = <0x4a0f4000 0x200>; + interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>; + ti,hwmods = "mailbox"; + }; + timer1: timer@4ae18000 { compatible = "ti,omap5430-timer"; reg = <0x4ae18000 0x80>; diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi index eabcfdb..a106b08 100644 --- a/arch/arm/boot/dts/sama5d3.dtsi +++ b/arch/arm/boot/dts/sama5d3.dtsi @@ -13,7 +13,7 @@ #include <dt-bindings/pinctrl/at91.h> #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/gpio/gpio.h> -#include <dt-bindings/clk/at91.h> +#include <dt-bindings/clock/at91.h> / { model = "Atmel SAMA5D3 family SoC"; diff --git a/arch/arm/boot/dts/sama5d3_mci2.dtsi b/arch/arm/boot/dts/sama5d3_mci2.dtsi index b029fe7..1b02208 100644 --- a/arch/arm/boot/dts/sama5d3_mci2.dtsi +++ b/arch/arm/boot/dts/sama5d3_mci2.dtsi @@ -9,7 +9,7 @@ #include <dt-bindings/pinctrl/at91.h> #include <dt-bindings/interrupt-controller/irq.h> -#include <dt-bindings/clk/at91.h> +#include <dt-bindings/clock/at91.h> / { ahb { diff --git a/arch/arm/boot/dts/sama5d3_tcb1.dtsi b/arch/arm/boot/dts/sama5d3_tcb1.dtsi index 382b044..0284845 100644 --- a/arch/arm/boot/dts/sama5d3_tcb1.dtsi +++ b/arch/arm/boot/dts/sama5d3_tcb1.dtsi @@ -9,7 +9,7 @@ #include <dt-bindings/pinctrl/at91.h> #include <dt-bindings/interrupt-controller/irq.h> -#include <dt-bindings/clk/at91.h> +#include <dt-bindings/clock/at91.h> / { aliases { diff --git a/arch/arm/boot/dts/sama5d3_uart.dtsi b/arch/arm/boot/dts/sama5d3_uart.dtsi index a9fa75e..7a8d4c6 100644 --- a/arch/arm/boot/dts/sama5d3_uart.dtsi +++ b/arch/arm/boot/dts/sama5d3_uart.dtsi @@ -9,7 +9,7 @@ #include <dt-bindings/pinctrl/at91.h> #include <dt-bindings/interrupt-controller/irq.h> -#include <dt-bindings/clk/at91.h> +#include <dt-bindings/clock/at91.h> / { aliases { diff --git a/arch/arm/boot/dts/ste-ccu8540.dts b/arch/arm/boot/dts/ste-ccu8540.dts index 7f3baf5..32dd55e 100644 --- a/arch/arm/boot/dts/ste-ccu8540.dts +++ b/arch/arm/boot/dts/ste-ccu8540.dts @@ -18,6 +18,7 @@ compatible = "st-ericsson,ccu8540", "st-ericsson,u8540"; memory@0 { + device_type = "memory"; reg = <0x20000000 0x1f000000>, <0xc0000000 0x3f000000>; }; diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi index 32efc10..aba1c8a 100644 --- a/arch/arm/boot/dts/sun7i-a20.dtsi +++ b/arch/arm/boot/dts/sun7i-a20.dtsi @@ -87,7 +87,7 @@ pll4: clk@01c20018 { #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-pll1-clk"; + compatible = "allwinner,sun7i-a20-pll4-clk"; reg = <0x01c20018 0x4>; clocks = <&osc24M>; clock-output-names = "pll4"; @@ -109,6 +109,14 @@ clock-output-names = "pll6_sata", "pll6_other", "pll6"; }; + pll8: clk@01c20040 { + #clock-cells = <0>; + compatible = "allwinner,sun7i-a20-pll4-clk"; + reg = <0x01c20040 0x4>; + clocks = <&osc24M>; + clock-output-names = "pll8"; + }; + cpu: cpu@01c20054 { #clock-cells = <0>; compatible = "allwinner,sun4i-a10-cpu-clk"; @@ -805,9 +813,9 @@ status = "disabled"; }; - i2c4: i2c@01c2bc00 { + i2c4: i2c@01c2c000 { compatible = "allwinner,sun4i-i2c"; - reg = <0x01c2bc00 0x400>; + reg = <0x01c2c000 0x400>; interrupts = <0 89 4>; clocks = <&apb1_gates 15>; clock-frequency = <100000>; diff --git a/arch/arm/common/bL_switcher.c b/arch/arm/common/bL_switcher.c index f01c0ee..490f3dc 100644 --- a/arch/arm/common/bL_switcher.c +++ b/arch/arm/common/bL_switcher.c @@ -433,8 +433,12 @@ static void bL_switcher_restore_cpus(void) { int i; - for_each_cpu(i, &bL_switcher_removed_logical_cpus) - cpu_up(i); + for_each_cpu(i, &bL_switcher_removed_logical_cpus) { + struct device *cpu_dev = get_cpu_device(i); + int ret = device_online(cpu_dev); + if (ret) + dev_err(cpu_dev, "switcher: unable to restore CPU\n"); + } } static int bL_switcher_halve_cpus(void) @@ -521,7 +525,7 @@ static int bL_switcher_halve_cpus(void) continue; } - ret = cpu_down(i); + ret = device_offline(get_cpu_device(i)); if (ret) { bL_switcher_restore_cpus(); return ret; diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c index 41bca32..5339009 100644 --- a/arch/arm/common/edma.c +++ b/arch/arm/common/edma.c @@ -1423,55 +1423,38 @@ EXPORT_SYMBOL(edma_clear_event); #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DMADEVICES) -static int edma_of_read_u32_to_s16_array(const struct device_node *np, - const char *propname, s16 *out_values, - size_t sz) +static int edma_xbar_event_map(struct device *dev, struct device_node *node, + struct edma_soc_info *pdata, size_t sz) { - int ret; - - ret = of_property_read_u16_array(np, propname, out_values, sz); - if (ret) - return ret; - - /* Terminate it */ - *out_values++ = -1; - *out_values++ = -1; - - return 0; -} - -static int edma_xbar_event_map(struct device *dev, - struct device_node *node, - struct edma_soc_info *pdata, int len) -{ - int ret, i; + const char pname[] = "ti,edma-xbar-event-map"; struct resource res; void __iomem *xbar; - const s16 (*xbar_chans)[2]; + s16 (*xbar_chans)[2]; + size_t nelm = sz / sizeof(s16); u32 shift, offset, mux; + int ret, i; - xbar_chans = devm_kzalloc(dev, - len/sizeof(s16) + 2*sizeof(s16), - GFP_KERNEL); + xbar_chans = devm_kzalloc(dev, (nelm + 2) * sizeof(s16), GFP_KERNEL); if (!xbar_chans) return -ENOMEM; ret = of_address_to_resource(node, 1, &res); if (ret) - return -EIO; + return -ENOMEM; xbar = devm_ioremap(dev, res.start, resource_size(&res)); if (!xbar) return -ENOMEM; - ret = edma_of_read_u32_to_s16_array(node, - "ti,edma-xbar-event-map", - (s16 *)xbar_chans, - len/sizeof(u32)); + ret = of_property_read_u16_array(node, pname, (u16 *)xbar_chans, nelm); if (ret) return -EIO; - for (i = 0; xbar_chans[i][0] != -1; i++) { + /* Invalidate last entry for the other user of this mess */ + nelm >>= 1; + xbar_chans[nelm][0] = xbar_chans[nelm][1] = -1; + + for (i = 0; i < nelm; i++) { shift = (xbar_chans[i][1] & 0x03) << 3; offset = xbar_chans[i][1] & 0xfffffffc; mux = readl(xbar + offset); @@ -1480,8 +1463,7 @@ static int edma_xbar_event_map(struct device *dev, writel(mux, (xbar + offset)); } - pdata->xbar_chans = xbar_chans; - + pdata->xbar_chans = (const s16 (*)[2]) xbar_chans; return 0; } diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig index 4ce7b70..e07a227 100644 --- a/arch/arm/configs/exynos_defconfig +++ b/arch/arm/configs/exynos_defconfig @@ -65,6 +65,7 @@ CONFIG_TCG_TIS_I2C_INFINEON=y CONFIG_I2C=y CONFIG_I2C_MUX=y CONFIG_I2C_ARB_GPIO_CHALLENGE=y +CONFIG_I2C_EXYNOS5=y CONFIG_I2C_S3C2410=y CONFIG_DEBUG_GPIO=y # CONFIG_HWMON is not set diff --git a/arch/arm/configs/sunxi_defconfig b/arch/arm/configs/sunxi_defconfig index b5df4a5..81ba78e 100644 --- a/arch/arm/configs/sunxi_defconfig +++ b/arch/arm/configs/sunxi_defconfig @@ -37,7 +37,7 @@ CONFIG_SUN4I_EMAC=y # CONFIG_NET_VENDOR_NATSEMI is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_SMSC is not set -# CONFIG_NET_VENDOR_STMICRO is not set +CONFIG_STMMAC_ETH=y # CONFIG_NET_VENDOR_WIZNET is not set # CONFIG_WLAN is not set CONFIG_SERIAL_8250=y diff --git a/arch/arm/include/asm/trusted_foundations.h b/arch/arm/include/asm/trusted_foundations.h index b5f7705..624e1d4 100644 --- a/arch/arm/include/asm/trusted_foundations.h +++ b/arch/arm/include/asm/trusted_foundations.h @@ -54,7 +54,9 @@ static inline void register_trusted_foundations( */ pr_err("No support for Trusted Foundations, continuing in degraded mode.\n"); pr_err("Secondary processors as well as CPU PM will be disabled.\n"); +#if IS_ENABLED(CONFIG_SMP) setup_max_cpus = 0; +#endif cpu_idle_poll_ctrl(true); } diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h index 12c3a5d..75d9579 100644 --- a/arch/arm/include/asm/uaccess.h +++ b/arch/arm/include/asm/uaccess.h @@ -171,8 +171,9 @@ extern int __put_user_8(void *, unsigned long long); #define __put_user_check(x,p) \ ({ \ unsigned long __limit = current_thread_info()->addr_limit - 1; \ + const typeof(*(p)) __user *__tmp_p = (p); \ register const typeof(*(p)) __r2 asm("r2") = (x); \ - register const typeof(*(p)) __user *__p asm("r0") = (p);\ + register const typeof(*(p)) __user *__p asm("r0") = __tmp_p; \ register unsigned long __l asm("r1") = __limit; \ register int __e asm("r0"); \ switch (sizeof(*(__p))) { \ diff --git a/arch/arm/include/asm/xen/hypercall.h b/arch/arm/include/asm/xen/hypercall.h index 7704e28..712b50e 100644 --- a/arch/arm/include/asm/xen/hypercall.h +++ b/arch/arm/include/asm/xen/hypercall.h @@ -34,6 +34,7 @@ #define _ASM_ARM_XEN_HYPERCALL_H #include <xen/interface/xen.h> +#include <xen/interface/sched.h> long privcmd_call(unsigned call, unsigned long a1, unsigned long a2, unsigned long a3, @@ -48,6 +49,16 @@ int HYPERVISOR_memory_op(unsigned int cmd, void *arg); int HYPERVISOR_physdev_op(int cmd, void *arg); int HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args); int HYPERVISOR_tmem_op(void *arg); +int HYPERVISOR_multicall(struct multicall_entry *calls, uint32_t nr); + +static inline int +HYPERVISOR_suspend(unsigned long start_info_mfn) +{ + struct sched_shutdown r = { .reason = SHUTDOWN_suspend }; + + /* start_info_mfn is unused on ARM */ + return HYPERVISOR_sched_op(SCHEDOP_shutdown, &r); +} static inline void MULTI_update_va_mapping(struct multicall_entry *mcl, unsigned long va, @@ -63,9 +74,4 @@ MULTI_mmu_update(struct multicall_entry *mcl, struct mmu_update *req, BUG(); } -static inline int -HYPERVISOR_multicall(void *call_list, int nr_calls) -{ - BUG(); -} #endif /* _ASM_ARM_XEN_HYPERCALL_H */ diff --git a/arch/arm/include/asm/xen/interface.h b/arch/arm/include/asm/xen/interface.h index 1151188..5006600 100644 --- a/arch/arm/include/asm/xen/interface.h +++ b/arch/arm/include/asm/xen/interface.h @@ -40,6 +40,8 @@ typedef uint64_t xen_pfn_t; #define PRI_xen_pfn "llx" typedef uint64_t xen_ulong_t; #define PRI_xen_ulong "llx" +typedef int64_t xen_long_t; +#define PRI_xen_long "llx" /* Guest handles for primitive C types. */ __DEFINE_GUEST_HANDLE(uchar, unsigned char); __DEFINE_GUEST_HANDLE(uint, unsigned int); diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h index cf4f3e8..ded062f 100644 --- a/arch/arm/include/asm/xen/page.h +++ b/arch/arm/include/asm/xen/page.h @@ -77,7 +77,6 @@ static inline xpaddr_t machine_to_phys(xmaddr_t machine) } /* VIRT <-> MACHINE conversion */ #define virt_to_machine(v) (phys_to_machine(XPADDR(__pa(v)))) -#define virt_to_pfn(v) (PFN_DOWN(__pa(v))) #define virt_to_mfn(v) (pfn_to_mfn(virt_to_pfn(v))) #define mfn_to_virt(m) (__va(mfn_to_pfn(m) << PAGE_SHIFT)) diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index 1420725..efb208d 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -132,6 +132,10 @@ orrne r5, V7M_xPSR_FRAMEPTRALIGN biceq r5, V7M_xPSR_FRAMEPTRALIGN + @ ensure bit 0 is cleared in the PC, otherwise behaviour is + @ unpredictable + bic r4, #1 + @ write basic exception frame stmdb r2!, {r1, r3-r5} ldmia sp, {r1, r3-r5} diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c index 3c21769..cb791ac 100644 --- a/arch/arm/kernel/unwind.c +++ b/arch/arm/kernel/unwind.c @@ -285,7 +285,7 @@ static int unwind_exec_pop_r4_to_rN(struct unwind_ctrl_block *ctrl, if (unwind_pop_register(ctrl, &vsp, reg)) return -URC_FAILURE; - if (insn & 0x80) + if (insn & 0x8) if (unwind_pop_register(ctrl, &vsp, 14)) return -URC_FAILURE; diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c index a028292..7cd6f19 100644 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ b/arch/arm/mach-at91/at91sam9260_devices.c @@ -1308,19 +1308,19 @@ static struct platform_device at91_adc_device = { static struct at91_adc_trigger at91_adc_triggers[] = { [0] = { .name = "timer-counter-0", - .value = AT91_ADC_TRGSEL_TC0 | AT91_ADC_TRGEN, + .value = 0x1, }, [1] = { .name = "timer-counter-1", - .value = AT91_ADC_TRGSEL_TC1 | AT91_ADC_TRGEN, + .value = 0x3, }, [2] = { .name = "timer-counter-2", - .value = AT91_ADC_TRGSEL_TC2 | AT91_ADC_TRGEN, + .value = 0x5, }, [3] = { .name = "external", - .value = AT91_ADC_TRGSEL_EXTERNAL | AT91_ADC_TRGEN, + .value = 0xd, .is_external = true, }, }; diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c index 932129e..aa01c42 100644 --- a/arch/arm/mach-exynos/firmware.c +++ b/arch/arm/mach-exynos/firmware.c @@ -18,6 +18,8 @@ #include <mach/map.h> +#include <plat/cpu.h> + #include "smc.h" static int exynos_do_idle(void) @@ -28,13 +30,24 @@ static int exynos_do_idle(void) static int exynos_cpu_boot(int cpu) { + /* + * The second parameter of SMC_CMD_CPU1BOOT command means CPU id. + * But, Exynos4212 has only one secondary CPU so second parameter + * isn't used for informing secure firmware about CPU id. + */ + if (soc_is_exynos4212()) + cpu = 0; + exynos_smc(SMC_CMD_CPU1BOOT, cpu, 0, 0); return 0; } static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr) { - void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c + 4*cpu; + void __iomem *boot_reg = S5P_VA_SYSRAM_NS + 0x1c; + + if (!soc_is_exynos4212()) + boot_reg += 4*cpu; __raw_writel(boot_addr, boot_reg); return 0; diff --git a/arch/arm/mach-imx/devices/platform-ipu-core.c b/arch/arm/mach-imx/devices/platform-ipu-core.c index fc4dd7c..6bd7c3f 100644 --- a/arch/arm/mach-imx/devices/platform-ipu-core.c +++ b/arch/arm/mach-imx/devices/platform-ipu-core.c @@ -77,7 +77,7 @@ struct platform_device *__init imx_alloc_mx3_camera( pdev = platform_device_alloc("mx3-camera", 0); if (!pdev) - goto err; + return ERR_PTR(-ENOMEM); pdev->dev.dma_mask = kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL); if (!pdev->dev.dma_mask) diff --git a/arch/arm/mach-mvebu/mvebu-soc-id.c b/arch/arm/mach-mvebu/mvebu-soc-id.c index f3d4cf5..09520e1 100644 --- a/arch/arm/mach-mvebu/mvebu-soc-id.c +++ b/arch/arm/mach-mvebu/mvebu-soc-id.c @@ -108,7 +108,18 @@ static int __init mvebu_soc_id_init(void) iounmap(pci_base); res_ioremap: - clk_disable_unprepare(clk); + /* + * If the PCIe unit is actually enabled and we have PCI + * support in the kernel, we intentionally do not release the + * reference to the clock. We want to keep it running since + * the bootloader does some PCIe link configuration that the + * kernel is for now unable to do, and gating the clock would + * make us loose this precious configuration. + */ + if (!of_device_is_available(child) || !IS_ENABLED(CONFIG_PCI_MVEBU)) { + clk_disable_unprepare(clk); + clk_put(clk); + } clk_err: of_node_put(child); diff --git a/arch/arm/mach-omap2/board-flash.c b/arch/arm/mach-omap2/board-flash.c index ac82512..b6885e4 100644 --- a/arch/arm/mach-omap2/board-flash.c +++ b/arch/arm/mach-omap2/board-flash.c @@ -142,7 +142,7 @@ __init board_nand_init(struct mtd_partition *nand_parts, u8 nr_parts, u8 cs, board_nand_data.nr_parts = nr_parts; board_nand_data.devsize = nand_type; - board_nand_data.ecc_opt = OMAP_ECC_BCH8_CODE_HW; + board_nand_data.ecc_opt = OMAP_ECC_HAM1_CODE_HW; gpmc_nand_init(&board_nand_data, gpmc_t); } #endif /* CONFIG_MTD_NAND_OMAP2 || CONFIG_MTD_NAND_OMAP2_MODULE */ diff --git a/arch/arm/mach-omap2/cclock3xxx_data.c b/arch/arm/mach-omap2/cclock3xxx_data.c index 8f5121b..eb8c75e 100644 --- a/arch/arm/mach-omap2/cclock3xxx_data.c +++ b/arch/arm/mach-omap2/cclock3xxx_data.c @@ -456,7 +456,8 @@ static struct clk_hw_omap dpll4_m5x2_ck_hw = { .clkdm_name = "dpll4_clkdm", }; -DEFINE_STRUCT_CLK(dpll4_m5x2_ck, dpll4_m5x2_ck_parent_names, dpll4_m5x2_ck_ops); +DEFINE_STRUCT_CLK_FLAGS(dpll4_m5x2_ck, dpll4_m5x2_ck_parent_names, + dpll4_m5x2_ck_ops, CLK_SET_RATE_PARENT); static struct clk dpll4_m5x2_ck_3630 = { .name = "dpll4_m5x2_ck", diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c index 01fc710..2498ab0 100644 --- a/arch/arm/mach-omap2/cpuidle44xx.c +++ b/arch/arm/mach-omap2/cpuidle44xx.c @@ -14,6 +14,7 @@ #include <linux/cpuidle.h> #include <linux/cpu_pm.h> #include <linux/export.h> +#include <linux/clockchips.h> #include <asm/cpuidle.h> #include <asm/proc-fns.h> @@ -83,6 +84,7 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev, { struct idle_statedata *cx = state_ptr + index; u32 mpuss_can_lose_context = 0; + int cpu_id = smp_processor_id(); /* * CPU0 has to wait and stay ON until CPU1 is OFF state. @@ -110,6 +112,8 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev, mpuss_can_lose_context = (cx->mpu_state == PWRDM_POWER_RET) && (cx->mpu_logic_state == PWRDM_POWER_OFF); + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu_id); + /* * Call idle CPU PM enter notifier chain so that * VFP and per CPU interrupt context is saved. @@ -165,6 +169,8 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev, if (dev->cpu == 0 && mpuss_can_lose_context) cpu_cluster_pm_exit(); + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu_id); + fail: cpuidle_coupled_parallel_barrier(dev, &abort_barrier); cpu_done[dev->cpu] = false; @@ -172,6 +178,16 @@ fail: return index; } +/* + * For each cpu, setup the broadcast timer because local timers + * stops for the states above C1. + */ +static void omap_setup_broadcast_timer(void *arg) +{ + int cpu = smp_processor_id(); + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ON, &cpu); +} + static struct cpuidle_driver omap4_idle_driver = { .name = "omap4_idle", .owner = THIS_MODULE, @@ -189,8 +205,7 @@ static struct cpuidle_driver omap4_idle_driver = { /* C2 - CPU0 OFF + CPU1 OFF + MPU CSWR */ .exit_latency = 328 + 440, .target_residency = 960, - .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED | - CPUIDLE_FLAG_TIMER_STOP, + .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED, .enter = omap_enter_idle_coupled, .name = "C2", .desc = "CPUx OFF, MPUSS CSWR", @@ -199,8 +214,7 @@ static struct cpuidle_driver omap4_idle_driver = { /* C3 - CPU0 OFF + CPU1 OFF + MPU OSWR */ .exit_latency = 460 + 518, .target_residency = 1100, - .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED | - CPUIDLE_FLAG_TIMER_STOP, + .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED, .enter = omap_enter_idle_coupled, .name = "C3", .desc = "CPUx OFF, MPUSS OSWR", @@ -231,5 +245,8 @@ int __init omap4_idle_init(void) if (!cpu_clkdm[0] || !cpu_clkdm[1]) return -ENODEV; + /* Configure the broadcast timer on each cpu */ + on_each_cpu(omap_setup_broadcast_timer, NULL, 1); + return cpuidle_register(&omap4_idle_driver, cpu_online_mask); } diff --git a/arch/arm/mach-omap2/omap-headsmp.S b/arch/arm/mach-omap2/omap-headsmp.S index 75e9295..40c5d5f 100644 --- a/arch/arm/mach-omap2/omap-headsmp.S +++ b/arch/arm/mach-omap2/omap-headsmp.S @@ -1,7 +1,7 @@ /* * Secondary CPU startup routine source file. * - * Copyright (C) 2009 Texas Instruments, Inc. + * Copyright (C) 2009-2014 Texas Instruments, Inc. * * Author: * Santosh Shilimkar <santosh.shilimkar@ti.com> @@ -28,9 +28,13 @@ * code. This routine also provides a holding flag into which * secondary core is held until we're ready for it to initialise. * The primary core will update this flag using a hardware -+ * register AuxCoreBoot0. + * register AuxCoreBoot0. */ ENTRY(omap5_secondary_startup) +.arm +THUMB( adr r9, BSYM(wait) ) @ CPU may be entered in ARM mode. +THUMB( bx r9 ) @ If this is a Thumb-2 kernel, +THUMB( .thumb ) @ switch to Thumb now. wait: ldr r2, =AUX_CORE_BOOT0_PA @ read from AuxCoreBoot0 ldr r0, [r2] mov r0, r0, lsr #5 diff --git a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c index 8923172..e829664 100644 --- a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c @@ -895,7 +895,7 @@ static struct omap_hwmod omap54xx_mcpdm_hwmod = { * current exception. */ - .flags = HWMOD_EXT_OPT_MAIN_CLK, + .flags = HWMOD_EXT_OPT_MAIN_CLK | HWMOD_SWSUP_SIDLE, .main_clk = "pad_clks_ck", .prcm = { .omap4 = { diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h index f565f99..7548db2 100644 --- a/arch/arm/mach-orion5x/common.h +++ b/arch/arm/mach-orion5x/common.h @@ -21,7 +21,7 @@ struct mv_sata_platform_data; #define ORION_MBUS_DEVBUS_BOOT_ATTR 0x0f #define ORION_MBUS_DEVBUS_TARGET(cs) 0x01 #define ORION_MBUS_DEVBUS_ATTR(cs) (~(1 << cs)) -#define ORION_MBUS_SRAM_TARGET 0x00 +#define ORION_MBUS_SRAM_TARGET 0x09 #define ORION_MBUS_SRAM_ATTR 0x00 /* diff --git a/arch/arm/mm/proc-v7m.S b/arch/arm/mm/proc-v7m.S index 0c93588..1ca37c7 100644 --- a/arch/arm/mm/proc-v7m.S +++ b/arch/arm/mm/proc-v7m.S @@ -123,6 +123,11 @@ __v7m_setup: mov pc, lr ENDPROC(__v7m_setup) + .align 2 +__v7m_setup_stack: + .space 4 * 8 @ 8 registers +__v7m_setup_stack_top: + define_processor_functions v7m, dabort=nommu_early_abort, pabort=legacy_pabort, nommu=1 .section ".rodata" @@ -152,6 +157,3 @@ __v7m_proc_info: .long nop_cache_fns @ proc_info_list.cache .size __v7m_proc_info, . - __v7m_proc_info -__v7m_setup_stack: - .space 4 * 8 @ 8 registers -__v7m_setup_stack_top: diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 5f5b975..b5608b1 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -70,6 +70,7 @@ static u32 errata; static struct omap_dma_global_context_registers { u32 dma_irqenable_l0; + u32 dma_irqenable_l1; u32 dma_ocp_sysconfig; u32 dma_gcr; } omap_dma_global_context; @@ -1973,10 +1974,17 @@ static struct irqaction omap24xx_dma_irq; /*----------------------------------------------------------------------------*/ +/* + * Note that we are currently using only IRQENABLE_L0 and L1. + * As the DSP may be using IRQENABLE_L2 and L3, let's not + * touch those for now. + */ void omap_dma_global_context_save(void) { omap_dma_global_context.dma_irqenable_l0 = p->dma_read(IRQENABLE_L0, 0); + omap_dma_global_context.dma_irqenable_l1 = + p->dma_read(IRQENABLE_L1, 0); omap_dma_global_context.dma_ocp_sysconfig = p->dma_read(OCP_SYSCONFIG, 0); omap_dma_global_context.dma_gcr = p->dma_read(GCR, 0); @@ -1991,6 +1999,8 @@ void omap_dma_global_context_restore(void) OCP_SYSCONFIG, 0); p->dma_write(omap_dma_global_context.dma_irqenable_l0, IRQENABLE_L0, 0); + p->dma_write(omap_dma_global_context.dma_irqenable_l1, + IRQENABLE_L1, 0); if (IS_DMA_ERRATA(DMA_ROMCODE_BUG)) p->dma_write(0x3 , IRQSTATUS_L0, 0); diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index b96723e..1e63243 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -339,6 +339,14 @@ static int __init xen_pm_init(void) } late_initcall(xen_pm_init); + +/* empty stubs */ +void xen_arch_pre_suspend(void) { } +void xen_arch_post_suspend(int suspend_cancelled) { } +void xen_timer_resume(void) { } +void xen_arch_resume(void) { } + + /* In the hypervisor.S file. */ EXPORT_SYMBOL_GPL(HYPERVISOR_event_channel_op); EXPORT_SYMBOL_GPL(HYPERVISOR_grant_table_op); @@ -350,4 +358,5 @@ EXPORT_SYMBOL_GPL(HYPERVISOR_memory_op); EXPORT_SYMBOL_GPL(HYPERVISOR_physdev_op); EXPORT_SYMBOL_GPL(HYPERVISOR_vcpu_op); EXPORT_SYMBOL_GPL(HYPERVISOR_tmem_op); +EXPORT_SYMBOL_GPL(HYPERVISOR_multicall); EXPORT_SYMBOL_GPL(privcmd_call); diff --git a/arch/arm/xen/hypercall.S b/arch/arm/xen/hypercall.S index d1cf7b7..44e3a5f 100644 --- a/arch/arm/xen/hypercall.S +++ b/arch/arm/xen/hypercall.S @@ -89,6 +89,7 @@ HYPERCALL2(memory_op); HYPERCALL2(physdev_op); HYPERCALL3(vcpu_op); HYPERCALL1(tmem_op); +HYPERCALL2(multicall); ENTRY(privcmd_call) stmdb sp!, {r4} diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index e94f945..993bce5 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -138,6 +138,7 @@ static inline void *phys_to_virt(phys_addr_t x) #define __pa(x) __virt_to_phys((unsigned long)(x)) #define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x))) #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) +#define virt_to_pfn(x) __phys_to_pfn(__virt_to_phys(x)) /* * virt_to_page(k) convert a _valid_ virtual address to struct page * diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 90c811f..7b1c67a 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -266,7 +266,7 @@ static inline pmd_t pte_pmd(pte_t pte) #define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd) & PHYS_MASK)) -#define set_pmd_at(mm, addr, pmdp, pmd) set_pmd(pmdp, pmd) +#define set_pmd_at(mm, addr, pmdp, pmd) set_pte_at(mm, addr, (pte_t *)pmdp, pmd_pte(pmd)) static inline int has_transparent_hugepage(void) { diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c index 473e5db..0f08dfd 100644 --- a/arch/arm64/kernel/irq.c +++ b/arch/arm64/kernel/irq.c @@ -97,11 +97,15 @@ static bool migrate_one_irq(struct irq_desc *desc) if (irqd_is_per_cpu(d) || !cpumask_test_cpu(smp_processor_id(), affinity)) return false; - if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) { - affinity = cpu_online_mask; + if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) ret = true; - } + /* + * when using forced irq_set_affinity we must ensure that the cpu + * being offlined is not present in the affinity mask, it may be + * selected as the target CPU otherwise + */ + affinity = cpu_online_mask; c = irq_data_get_irq_chip(d); if (!c->irq_set_affinity) pr_debug("IRQ%u: unable to set affinity\n", d->irq); diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index 5e9aec3..31eb959 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -51,7 +51,11 @@ int pmd_huge(pmd_t pmd) int pud_huge(pud_t pud) { +#ifndef __PAGETABLE_PMD_FOLDED return !(pud_val(pud) & PUD_TABLE_BIT); +#else + return 0; +#endif } int pmd_huge_support(void) diff --git a/arch/arm64/xen/hypercall.S b/arch/arm64/xen/hypercall.S index 531342e..8bbe940 100644 --- a/arch/arm64/xen/hypercall.S +++ b/arch/arm64/xen/hypercall.S @@ -80,6 +80,7 @@ HYPERCALL2(memory_op); HYPERCALL2(physdev_op); HYPERCALL3(vcpu_op); HYPERCALL1(tmem_op); +HYPERCALL2(multicall); ENTRY(privcmd_call) mov x16, x0 diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h index ae763d8b..fb13dc5 100644 --- a/arch/ia64/include/asm/unistd.h +++ b/arch/ia64/include/asm/unistd.h @@ -11,7 +11,7 @@ -#define NR_syscalls 314 /* length of syscall table */ +#define NR_syscalls 315 /* length of syscall table */ /* * The following defines stop scripts/checksyscalls.sh from complaining about diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h index 715e85f..7de0a2d 100644 --- a/arch/ia64/include/uapi/asm/unistd.h +++ b/arch/ia64/include/uapi/asm/unistd.h @@ -327,5 +327,6 @@ #define __NR_finit_module 1335 #define __NR_sched_setattr 1336 #define __NR_sched_getattr 1337 +#define __NR_renameat2 1338 #endif /* _UAPI_ASM_IA64_UNISTD_H */ diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index fa8d61a..ba3d03503 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -1775,6 +1775,7 @@ sys_call_table: data8 sys_finit_module // 1335 data8 sys_sched_setattr data8 sys_sched_getattr + data8 sys_renameat2 .org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls #endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */ diff --git a/arch/m68k/Kconfig.debug b/arch/m68k/Kconfig.debug index 2296827..64776d7 100644 --- a/arch/m68k/Kconfig.debug +++ b/arch/m68k/Kconfig.debug @@ -12,12 +12,17 @@ config BOOTPARAM_STRING config EARLY_PRINTK bool "Early printk" - depends on MVME16x || MAC + depends on !(SUN3 || M68360 || M68000 || COLDFIRE) help Write kernel log output directly to a serial port. + Where implemented, output goes to the framebuffer as well. + PROM console functionality on Sun 3x is not affected by this option. + + Pass "earlyprintk" on the kernel command line to get a + boot console. This is useful for kernel debugging when your machine crashes very - early before the console code is initialized. + early, i.e. before the normal console driver is loaded. You should normally say N here, unless you want to debug such a crash. if !MMU diff --git a/arch/m68k/amiga/amisound.c b/arch/m68k/amiga/amisound.c index 2559eef..90a60d7 100644 --- a/arch/m68k/amiga/amisound.c +++ b/arch/m68k/amiga/amisound.c @@ -51,7 +51,7 @@ void __init amiga_init_sound(void) snd_data = amiga_chip_alloc_res(sizeof(sine_data), &beep_res); if (!snd_data) { - printk (KERN_CRIT "amiga init_sound: failed to allocate chipmem\n"); + pr_crit("amiga init_sound: failed to allocate chipmem\n"); return; } memcpy (snd_data, sine_data, sizeof(sine_data)); diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c index 9625b71..01693df 100644 --- a/arch/m68k/amiga/config.c +++ b/arch/m68k/amiga/config.c @@ -183,7 +183,7 @@ int __init amiga_parse_bootinfo(const struct bi_record *record) dev->boardaddr = be32_to_cpu(cd->cd_BoardAddr); dev->boardsize = be32_to_cpu(cd->cd_BoardSize); } else - printk("amiga_parse_bootinfo: too many AutoConfig devices\n"); + pr_warn("amiga_parse_bootinfo: too many AutoConfig devices\n"); #endif /* CONFIG_ZORRO */ break; @@ -209,9 +209,9 @@ static void __init amiga_identify(void) memset(&amiga_hw_present, 0, sizeof(amiga_hw_present)); - printk("Amiga hardware found: "); + pr_info("Amiga hardware found: "); if (amiga_model >= AMI_500 && amiga_model <= AMI_DRACO) { - printk("[%s] ", amiga_models[amiga_model-AMI_500]); + pr_cont("[%s] ", amiga_models[amiga_model-AMI_500]); strcat(amiga_model_name, amiga_models[amiga_model-AMI_500]); } @@ -322,7 +322,7 @@ static void __init amiga_identify(void) #define AMIGAHW_ANNOUNCE(name, str) \ if (AMIGAHW_PRESENT(name)) \ - printk(str) + pr_cont(str) AMIGAHW_ANNOUNCE(AMI_VIDEO, "VIDEO "); AMIGAHW_ANNOUNCE(AMI_BLITTER, "BLITTER "); @@ -354,8 +354,8 @@ static void __init amiga_identify(void) AMIGAHW_ANNOUNCE(MAGIC_REKICK, "MAGIC_REKICK "); AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA "); if (AMIGAHW_PRESENT(ZORRO)) - printk("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : ""); - printk("\n"); + pr_cont("ZORRO%s ", AMIGAHW_PRESENT(ZORRO3) ? "3" : ""); + pr_cont("\n"); #undef AMIGAHW_ANNOUNCE } @@ -424,7 +424,7 @@ void __init config_amiga(void) if (m68k_memory[i].addr < 16*1024*1024) { if (i == 0) { /* don't cut off the branch we're sitting on */ - printk("Warning: kernel runs in Zorro II memory\n"); + pr_warn("Warning: kernel runs in Zorro II memory\n"); continue; } disabled_z2mem += m68k_memory[i].size; @@ -435,8 +435,8 @@ void __init config_amiga(void) } } if (disabled_z2mem) - printk("%dK of Zorro II memory will not be used as system memory\n", - disabled_z2mem>>10); + pr_info("%dK of Zorro II memory will not be used as system memory\n", + disabled_z2mem>>10); } /* request all RAM */ @@ -475,7 +475,7 @@ static void __init amiga_sched_init(irq_handler_t timer_routine) jiffy_ticks = DIV_ROUND_CLOSEST(amiga_eclock, HZ); if (request_resource(&mb_resources._ciab, &sched_res)) - printk("Cannot allocate ciab.ta{lo,hi}\n"); + pr_warn("Cannot allocate ciab.ta{lo,hi}\n"); ciab.cra &= 0xC0; /* turn off timer A, continuous mode, from Eclk */ ciab.talo = jiffy_ticks % 256; ciab.tahi = jiffy_ticks / 256; diff --git a/arch/m68k/apollo/config.c b/arch/m68k/apollo/config.c index 9268c0f9..6e62d66 100644 --- a/arch/m68k/apollo/config.c +++ b/arch/m68k/apollo/config.c @@ -65,8 +65,8 @@ int __init apollo_parse_bootinfo(const struct bi_record *record) static void __init dn_setup_model(void) { - printk("Apollo hardware found: "); - printk("[%s]\n", apollo_models[apollo_model - APOLLO_DN3000]); + pr_info("Apollo hardware found: [%s]\n", + apollo_models[apollo_model - APOLLO_DN3000]); switch(apollo_model) { case APOLLO_UNKNOWN: @@ -197,8 +197,10 @@ void dn_sched_init(irq_handler_t timer_routine) *(volatile unsigned char *)(pica+1)&=(~8); #if 0 - printk("*(0x10803) %02x\n",*(volatile unsigned char *)(apollo_timer + 0x3)); - printk("*(0x10803) %02x\n",*(volatile unsigned char *)(apollo_timer + 0x3)); + pr_info("*(0x10803) %02x\n", + *(volatile unsigned char *)(apollo_timer + 0x3)); + pr_info("*(0x10803) %02x\n", + *(volatile unsigned char *)(apollo_timer + 0x3)); #endif if (request_irq(IRQ_APOLLO, dn_timer_int, 0, "time", timer_routine)) @@ -236,12 +238,10 @@ int dn_dummy_hwclk(int op, struct rtc_time *t) { } -int dn_dummy_set_clock_mmss(unsigned long nowtime) { - - printk("set_clock_mmss\n"); - - return 0; - +int dn_dummy_set_clock_mmss(unsigned long nowtime) +{ + pr_info("set_clock_mmss\n"); + return 0; } void dn_dummy_reset(void) { diff --git a/arch/m68k/atari/stram.c b/arch/m68k/atari/stram.c index 0810c8d..5f8cb5a 100644 --- a/arch/m68k/atari/stram.c +++ b/arch/m68k/atari/stram.c @@ -47,6 +47,7 @@ static struct resource stram_pool = { static unsigned long pool_size = 1024*1024; +static unsigned long stram_virt_offset; static int __init atari_stram_setup(char *arg) { @@ -67,14 +68,12 @@ early_param("stram_pool", atari_stram_setup); void __init atari_stram_init(void) { int i; - void *stram_start; /* * determine whether kernel code resides in ST-RAM * (then ST-RAM is the first memory block at virtual 0x0) */ - stram_start = phys_to_virt(0); - kernel_in_stram = (stram_start == 0); + kernel_in_stram = (m68k_memory[0].addr == 0); for (i = 0; i < m68k_num_memory; ++i) { if (m68k_memory[i].addr == 0) { @@ -89,24 +88,62 @@ void __init atari_stram_init(void) /* * This function is called from setup_arch() to reserve the pages needed for - * ST-RAM management. + * ST-RAM management, if the kernel resides in ST-RAM. */ void __init atari_stram_reserve_pages(void *start_mem) { - /* - * always reserve first page of ST-RAM, the first 2 KiB are - * supervisor-only! - */ - if (!kernel_in_stram) - reserve_bootmem(0, PAGE_SIZE, BOOTMEM_DEFAULT); + if (kernel_in_stram) { + pr_debug("atari_stram pool: kernel in ST-RAM, using alloc_bootmem!\n"); + stram_pool.start = (resource_size_t)alloc_bootmem_low_pages(pool_size); + stram_pool.end = stram_pool.start + pool_size - 1; + request_resource(&iomem_resource, &stram_pool); + stram_virt_offset = 0; + pr_debug("atari_stram pool: size = %lu bytes, resource = %pR\n", + pool_size, &stram_pool); + pr_debug("atari_stram pool: stram_virt_offset = %lx\n", + stram_virt_offset); + } +} - stram_pool.start = (resource_size_t)alloc_bootmem_low_pages(pool_size); - stram_pool.end = stram_pool.start + pool_size - 1; - request_resource(&iomem_resource, &stram_pool); - pr_debug("atari_stram pool: size = %lu bytes, resource = %pR\n", - pool_size, &stram_pool); +/* + * This function is called as arch initcall to reserve the pages needed for + * ST-RAM management, if the kernel does not reside in ST-RAM. + */ +int __init atari_stram_map_pages(void) +{ + if (!kernel_in_stram) { + /* + * Skip page 0, as the fhe first 2 KiB are supervisor-only! + */ + pr_debug("atari_stram pool: kernel not in ST-RAM, using ioremap!\n"); + stram_pool.start = PAGE_SIZE; + stram_pool.end = stram_pool.start + pool_size - 1; + request_resource(&iomem_resource, &stram_pool); + stram_virt_offset = (unsigned long) ioremap(stram_pool.start, + resource_size(&stram_pool)) - stram_pool.start; + pr_debug("atari_stram pool: size = %lu bytes, resource = %pR\n", + pool_size, &stram_pool); + pr_debug("atari_stram pool: stram_virt_offset = %lx\n", + stram_virt_offset); + } + return 0; +} +arch_initcall(atari_stram_map_pages); + + +void *atari_stram_to_virt(unsigned long phys) +{ + return (void *)(phys + stram_virt_offset); +} +EXPORT_SYMBOL(atari_stram_to_virt); + + +unsigned long atari_stram_to_phys(void *virt) +{ + return (unsigned long)(virt - stram_virt_offset); } +EXPORT_SYMBOL(atari_stram_to_phys); void *atari_stram_alloc(unsigned long size, const char *owner) @@ -134,14 +171,14 @@ void *atari_stram_alloc(unsigned long size, const char *owner) } pr_debug("atari_stram_alloc: returning %pR\n", res); - return (void *)res->start; + return atari_stram_to_virt(res->start); } EXPORT_SYMBOL(atari_stram_alloc); void atari_stram_free(void *addr) { - unsigned long start = (unsigned long)addr; + unsigned long start = atari_stram_to_phys(addr); struct resource *res; unsigned long size; diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig index 96da496..d7eac833a 100644 --- a/arch/m68k/configs/amiga_defconfig +++ b/arch/m68k/configs/amiga_defconfig @@ -159,6 +159,7 @@ CONFIG_IP_SET_BITMAP_IP=m CONFIG_IP_SET_BITMAP_IPMAC=m CONFIG_IP_SET_BITMAP_PORT=m CONFIG_IP_SET_HASH_IP=m +CONFIG_IP_SET_HASH_IPMARK=m CONFIG_IP_SET_HASH_IPPORT=m CONFIG_IP_SET_HASH_IPPORTIP=m CONFIG_IP_SET_HASH_IPPORTNET=m @@ -227,6 +228,7 @@ CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y +CONFIG_BATMAN_ADV_MCAST=y CONFIG_NETLINK_DIAG=m CONFIG_NET_MPLS_GSO=m # CONFIG_WIRELESS is not set @@ -279,6 +281,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_ERA=m CONFIG_DM_MIRROR=m CONFIG_DM_RAID=m CONFIG_DM_ZERO=m @@ -305,7 +308,6 @@ CONFIG_VETH=m CONFIG_A2065=y CONFIG_ARIADNE=y # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set # CONFIG_NET_VENDOR_CIRRUS is not set # CONFIG_NET_VENDOR_HP is not set @@ -315,6 +317,7 @@ CONFIG_ARIADNE=y CONFIG_HYDRA=y CONFIG_APNE=y CONFIG_ZORRO8390=y +# CONFIG_NET_VENDOR_SAMSUNG is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_SMSC is not set # CONFIG_NET_VENDOR_STMICRO is not set diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig index 1b8739f..650ee75 100644 --- a/arch/m68k/configs/apollo_defconfig +++ b/arch/m68k/configs/apollo_defconfig @@ -157,6 +157,7 @@ CONFIG_IP_SET_BITMAP_IP=m CONFIG_IP_SET_BITMAP_IPMAC=m CONFIG_IP_SET_BITMAP_PORT=m CONFIG_IP_SET_HASH_IP=m +CONFIG_IP_SET_HASH_IPMARK=m CONFIG_IP_SET_HASH_IPPORT=m CONFIG_IP_SET_HASH_IPPORTIP=m CONFIG_IP_SET_HASH_IPPORTNET=m @@ -225,6 +226,7 @@ CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y +CONFIG_BATMAN_ADV_MCAST=y CONFIG_NETLINK_DIAG=m CONFIG_NET_MPLS_GSO=m # CONFIG_WIRELESS is not set @@ -261,6 +263,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_ERA=m CONFIG_DM_MIRROR=m CONFIG_DM_RAID=m CONFIG_DM_ZERO=m @@ -284,12 +287,12 @@ CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SAMSUNG is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_STMICRO is not set # CONFIG_NET_VENDOR_VIA is not set diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig index 6ea4e91..3142e69 100644 --- a/arch/m68k/configs/atari_defconfig +++ b/arch/m68k/configs/atari_defconfig @@ -156,6 +156,7 @@ CONFIG_IP_SET_BITMAP_IP=m CONFIG_IP_SET_BITMAP_IPMAC=m CONFIG_IP_SET_BITMAP_PORT=m CONFIG_IP_SET_HASH_IP=m +CONFIG_IP_SET_HASH_IPMARK=m CONFIG_IP_SET_HASH_IPPORT=m CONFIG_IP_SET_HASH_IPPORTIP=m CONFIG_IP_SET_HASH_IPPORTNET=m @@ -224,6 +225,7 @@ CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y +CONFIG_BATMAN_ADV_MCAST=y CONFIG_NETLINK_DIAG=m CONFIG_NET_MPLS_GSO=m # CONFIG_WIRELESS is not set @@ -269,6 +271,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_ERA=m CONFIG_DM_MIRROR=m CONFIG_DM_RAID=m CONFIG_DM_ZERO=m @@ -293,11 +296,11 @@ CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m CONFIG_ATARILANCE=y # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_SAMSUNG is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_STMICRO is not set # CONFIG_NET_VENDOR_VIA is not set diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig index e5a1273..0daa8a1 100644 --- a/arch/m68k/configs/bvme6000_defconfig +++ b/arch/m68k/configs/bvme6000_defconfig @@ -155,6 +155,7 @@ CONFIG_IP_SET_BITMAP_IP=m CONFIG_IP_SET_BITMAP_IPMAC=m CONFIG_IP_SET_BITMAP_PORT=m CONFIG_IP_SET_HASH_IP=m +CONFIG_IP_SET_HASH_IPMARK=m CONFIG_IP_SET_HASH_IPPORT=m CONFIG_IP_SET_HASH_IPPORTIP=m CONFIG_IP_SET_HASH_IPPORTNET=m @@ -223,6 +224,7 @@ CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y +CONFIG_BATMAN_ADV_MCAST=y CONFIG_NETLINK_DIAG=m CONFIG_NET_MPLS_GSO=m # CONFIG_WIRELESS is not set @@ -260,6 +262,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_ERA=m CONFIG_DM_MIRROR=m CONFIG_DM_RAID=m CONFIG_DM_ZERO=m @@ -283,12 +286,12 @@ CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set CONFIG_BVME6000_NET=y # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SAMSUNG is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_STMICRO is not set # CONFIG_NET_VENDOR_VIA is not set diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig index 8936d7f..88af78f 100644 --- a/arch/m68k/configs/hp300_defconfig +++ b/arch/m68k/configs/hp300_defconfig @@ -157,6 +157,7 @@ CONFIG_IP_SET_BITMAP_IP=m CONFIG_IP_SET_BITMAP_IPMAC=m CONFIG_IP_SET_BITMAP_PORT=m CONFIG_IP_SET_HASH_IP=m +CONFIG_IP_SET_HASH_IPMARK=m CONFIG_IP_SET_HASH_IPPORT=m CONFIG_IP_SET_HASH_IPPORTIP=m CONFIG_IP_SET_HASH_IPPORTNET=m @@ -225,6 +226,7 @@ CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y +CONFIG_BATMAN_ADV_MCAST=y CONFIG_NETLINK_DIAG=m CONFIG_NET_MPLS_GSO=m # CONFIG_WIRELESS is not set @@ -261,6 +263,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_ERA=m CONFIG_DM_MIRROR=m CONFIG_DM_RAID=m CONFIG_DM_ZERO=m @@ -285,12 +288,12 @@ CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m CONFIG_HPLANCE=y # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SAMSUNG is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_STMICRO is not set # CONFIG_NET_VENDOR_VIA is not set diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig index be5342c..66f9155 100644 --- a/arch/m68k/configs/mac_defconfig +++ b/arch/m68k/configs/mac_defconfig @@ -156,6 +156,7 @@ CONFIG_IP_SET_BITMAP_IP=m CONFIG_IP_SET_BITMAP_IPMAC=m CONFIG_IP_SET_BITMAP_PORT=m CONFIG_IP_SET_HASH_IP=m +CONFIG_IP_SET_HASH_IPMARK=m CONFIG_IP_SET_HASH_IPPORT=m CONFIG_IP_SET_HASH_IPPORTIP=m CONFIG_IP_SET_HASH_IPPORTNET=m @@ -227,6 +228,7 @@ CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y +CONFIG_BATMAN_ADV_MCAST=y CONFIG_NETLINK_DIAG=m CONFIG_NET_MPLS_GSO=m # CONFIG_WIRELESS is not set @@ -270,6 +272,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_ERA=m CONFIG_DM_MIRROR=m CONFIG_DM_RAID=m CONFIG_DM_ZERO=m @@ -301,7 +304,6 @@ CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m CONFIG_MACMACE=y # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set CONFIG_MAC89x0=y # CONFIG_NET_VENDOR_INTEL is not set @@ -309,6 +311,7 @@ CONFIG_MAC89x0=y # CONFIG_NET_VENDOR_MICREL is not set CONFIG_MACSONIC=y CONFIG_MAC8390=y +# CONFIG_NET_VENDOR_SAMSUNG is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_SMSC is not set # CONFIG_NET_VENDOR_STMICRO is not set diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig index f27194a..5eaa499 100644 --- a/arch/m68k/configs/multi_defconfig +++ b/arch/m68k/configs/multi_defconfig @@ -165,6 +165,7 @@ CONFIG_IP_SET_BITMAP_IP=m CONFIG_IP_SET_BITMAP_IPMAC=m CONFIG_IP_SET_BITMAP_PORT=m CONFIG_IP_SET_HASH_IP=m +CONFIG_IP_SET_HASH_IPMARK=m CONFIG_IP_SET_HASH_IPPORT=m CONFIG_IP_SET_HASH_IPPORTIP=m CONFIG_IP_SET_HASH_IPPORTNET=m @@ -236,6 +237,7 @@ CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y +CONFIG_BATMAN_ADV_MCAST=y CONFIG_NETLINK_DIAG=m CONFIG_NET_MPLS_GSO=m # CONFIG_WIRELESS is not set @@ -302,6 +304,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_ERA=m CONFIG_DM_MIRROR=m CONFIG_DM_RAID=m CONFIG_DM_ZERO=m @@ -340,7 +343,6 @@ CONFIG_MVME147_NET=y CONFIG_SUN3LANCE=y CONFIG_MACMACE=y # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set CONFIG_MAC89x0=y # CONFIG_NET_VENDOR_HP is not set @@ -354,6 +356,7 @@ CONFIG_MAC8390=y CONFIG_NE2000=m CONFIG_APNE=y CONFIG_ZORRO8390=y +# CONFIG_NET_VENDOR_SAMSUNG is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_STMICRO is not set # CONFIG_NET_VENDOR_VIA is not set diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig index c388760..324d0b4 100644 --- a/arch/m68k/configs/mvme147_defconfig +++ b/arch/m68k/configs/mvme147_defconfig @@ -154,6 +154,7 @@ CONFIG_IP_SET_BITMAP_IP=m CONFIG_IP_SET_BITMAP_IPMAC=m CONFIG_IP_SET_BITMAP_PORT=m CONFIG_IP_SET_HASH_IP=m +CONFIG_IP_SET_HASH_IPMARK=m CONFIG_IP_SET_HASH_IPPORT=m CONFIG_IP_SET_HASH_IPPORTIP=m CONFIG_IP_SET_HASH_IPPORTNET=m @@ -222,6 +223,7 @@ CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y +CONFIG_BATMAN_ADV_MCAST=y CONFIG_NETLINK_DIAG=m CONFIG_NET_MPLS_GSO=m # CONFIG_WIRELESS is not set @@ -259,6 +261,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_ERA=m CONFIG_DM_MIRROR=m CONFIG_DM_RAID=m CONFIG_DM_ZERO=m @@ -283,12 +286,12 @@ CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m CONFIG_MVME147_NET=y # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SAMSUNG is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_STMICRO is not set # CONFIG_NET_VENDOR_VIA is not set diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig index f7ff784..f0cb433 100644 --- a/arch/m68k/configs/mvme16x_defconfig +++ b/arch/m68k/configs/mvme16x_defconfig @@ -155,6 +155,7 @@ CONFIG_IP_SET_BITMAP_IP=m CONFIG_IP_SET_BITMAP_IPMAC=m CONFIG_IP_SET_BITMAP_PORT=m CONFIG_IP_SET_HASH_IP=m +CONFIG_IP_SET_HASH_IPMARK=m CONFIG_IP_SET_HASH_IPPORT=m CONFIG_IP_SET_HASH_IPPORTIP=m CONFIG_IP_SET_HASH_IPPORTNET=m @@ -223,6 +224,7 @@ CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y +CONFIG_BATMAN_ADV_MCAST=y CONFIG_NETLINK_DIAG=m CONFIG_NET_MPLS_GSO=m # CONFIG_WIRELESS is not set @@ -260,6 +262,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_ERA=m CONFIG_DM_MIRROR=m CONFIG_DM_RAID=m CONFIG_DM_ZERO=m @@ -283,12 +286,12 @@ CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set CONFIG_MVME16x_NET=y # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SAMSUNG is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_STMICRO is not set # CONFIG_NET_VENDOR_VIA is not set diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig index f0c72ab..d6cf088 100644 --- a/arch/m68k/configs/q40_defconfig +++ b/arch/m68k/configs/q40_defconfig @@ -155,6 +155,7 @@ CONFIG_IP_SET_BITMAP_IP=m CONFIG_IP_SET_BITMAP_IPMAC=m CONFIG_IP_SET_BITMAP_PORT=m CONFIG_IP_SET_HASH_IP=m +CONFIG_IP_SET_HASH_IPMARK=m CONFIG_IP_SET_HASH_IPPORT=m CONFIG_IP_SET_HASH_IPPORTIP=m CONFIG_IP_SET_HASH_IPPORTNET=m @@ -223,6 +224,7 @@ CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y +CONFIG_BATMAN_ADV_MCAST=y CONFIG_NETLINK_DIAG=m CONFIG_NET_MPLS_GSO=m # CONFIG_WIRELESS is not set @@ -266,6 +268,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_ERA=m CONFIG_DM_MIRROR=m CONFIG_DM_RAID=m CONFIG_DM_ZERO=m @@ -291,7 +294,6 @@ CONFIG_VETH=m # CONFIG_NET_VENDOR_3COM is not set # CONFIG_NET_VENDOR_AMD is not set # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set # CONFIG_NET_VENDOR_CIRRUS is not set # CONFIG_NET_VENDOR_HP is not set @@ -299,6 +301,7 @@ CONFIG_VETH=m # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set CONFIG_NE2000=m +# CONFIG_NET_VENDOR_SAMSUNG is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_SMSC is not set # CONFIG_NET_VENDOR_STMICRO is not set diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig index 7bca0f4..f4e88d1 100644 --- a/arch/m68k/configs/sun3_defconfig +++ b/arch/m68k/configs/sun3_defconfig @@ -152,6 +152,7 @@ CONFIG_IP_SET_BITMAP_IP=m CONFIG_IP_SET_BITMAP_IPMAC=m CONFIG_IP_SET_BITMAP_PORT=m CONFIG_IP_SET_HASH_IP=m +CONFIG_IP_SET_HASH_IPMARK=m CONFIG_IP_SET_HASH_IPPORT=m CONFIG_IP_SET_HASH_IPPORTIP=m CONFIG_IP_SET_HASH_IPPORTNET=m @@ -220,6 +221,7 @@ CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y +CONFIG_BATMAN_ADV_MCAST=y CONFIG_NETLINK_DIAG=m CONFIG_NET_MPLS_GSO=m # CONFIG_WIRELESS is not set @@ -257,6 +259,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_ERA=m CONFIG_DM_MIRROR=m CONFIG_DM_RAID=m CONFIG_DM_ZERO=m @@ -281,11 +284,11 @@ CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m CONFIG_SUN3LANCE=y # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set CONFIG_SUN3_82586=y # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SAMSUNG is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_STMICRO is not set # CONFIG_NET_VENDOR_SUN is not set diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig index 317f3e1..49f4032 100644 --- a/arch/m68k/configs/sun3x_defconfig +++ b/arch/m68k/configs/sun3x_defconfig @@ -152,6 +152,7 @@ CONFIG_IP_SET_BITMAP_IP=m CONFIG_IP_SET_BITMAP_IPMAC=m CONFIG_IP_SET_BITMAP_PORT=m CONFIG_IP_SET_HASH_IP=m +CONFIG_IP_SET_HASH_IPMARK=m CONFIG_IP_SET_HASH_IPPORT=m CONFIG_IP_SET_HASH_IPPORTIP=m CONFIG_IP_SET_HASH_IPPORTNET=m @@ -220,6 +221,7 @@ CONFIG_DNS_RESOLVER=y CONFIG_BATMAN_ADV=m CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y +CONFIG_BATMAN_ADV_MCAST=y CONFIG_NETLINK_DIAG=m CONFIG_NET_MPLS_GSO=m # CONFIG_WIRELESS is not set @@ -257,6 +259,7 @@ CONFIG_DM_CRYPT=m CONFIG_DM_SNAPSHOT=m CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m +CONFIG_DM_ERA=m CONFIG_DM_MIRROR=m CONFIG_DM_RAID=m CONFIG_DM_ZERO=m @@ -281,12 +284,12 @@ CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m CONFIG_SUN3LANCE=y # CONFIG_NET_VENDOR_ARC is not set -# CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SAMSUNG is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_STMICRO is not set # CONFIG_NET_VENDOR_VIA is not set diff --git a/arch/m68k/hp300/config.c b/arch/m68k/hp300/config.c index 2e5a787..a9befe6 100644 --- a/arch/m68k/hp300/config.c +++ b/arch/m68k/hp300/config.c @@ -87,7 +87,7 @@ int __init hp300_parse_bootinfo(const struct bi_record *record) /* serial port address: ignored here */ break; - default: + default: unknown = 1; } @@ -262,11 +262,12 @@ void __init config_hp300(void) #endif mach_max_dma_address = 0xffffffff; - if (hp300_model >= HP_330 && hp300_model <= HP_433S && hp300_model != HP_350) { - printk(KERN_INFO "Detected HP9000 model %s\n", hp300_models[hp300_model-HP_320]); + if (hp300_model >= HP_330 && hp300_model <= HP_433S && + hp300_model != HP_350) { + pr_info("Detected HP9000 model %s\n", + hp300_models[hp300_model-HP_320]); strcat(hp300_model_name, hp300_models[hp300_model-HP_320]); - } - else { + } else { panic("Unknown HP9000 Model"); } #ifdef CONFIG_SERIAL_8250_CONSOLE diff --git a/arch/m68k/include/asm/atari_stram.h b/arch/m68k/include/asm/atari_stram.h index 62e2759..4e771c2 100644 --- a/arch/m68k/include/asm/atari_stram.h +++ b/arch/m68k/include/asm/atari_stram.h @@ -8,6 +8,8 @@ /* public interface */ void *atari_stram_alloc(unsigned long size, const char *owner); void atari_stram_free(void *); +void *atari_stram_to_virt(unsigned long phys); +unsigned long atari_stram_to_phys(void *); /* functions called internally by other parts of the kernel */ void atari_stram_init(void); diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index 9d38b73..33afa56 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -4,7 +4,7 @@ #include <uapi/asm/unistd.h> -#define NR_syscalls 351 +#define NR_syscalls 352 #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h index b932dd4..9cd82fb 100644 --- a/arch/m68k/include/uapi/asm/unistd.h +++ b/arch/m68k/include/uapi/asm/unistd.h @@ -356,5 +356,6 @@ #define __NR_finit_module 348 #define __NR_sched_setattr 349 #define __NR_sched_getattr 350 +#define __NR_renameat2 351 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */ diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile index 2d5d9be..e47778f 100644 --- a/arch/m68k/kernel/Makefile +++ b/arch/m68k/kernel/Makefile @@ -25,3 +25,5 @@ obj-$(CONFIG_HAS_DMA) += dma.o obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o obj-$(CONFIG_BOOTINFO_PROC) += bootinfo_proc.o +obj-$(CONFIG_EARLY_PRINTK) += early_printk.o + diff --git a/arch/m68k/kernel/early_printk.c b/arch/m68k/kernel/early_printk.c new file mode 100644 index 0000000..ff9708d --- /dev/null +++ b/arch/m68k/kernel/early_printk.c @@ -0,0 +1,67 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (c) 2014 Finn Thain + */ + +#include <linux/kernel.h> +#include <linux/console.h> +#include <linux/init.h> +#include <linux/string.h> +#include <asm/setup.h> + +extern void mvme16x_cons_write(struct console *co, + const char *str, unsigned count); + +asmlinkage void __init debug_cons_nputs(const char *s, unsigned n); + +static void __ref debug_cons_write(struct console *c, + const char *s, unsigned n) +{ +#if !(defined(CONFIG_SUN3) || defined(CONFIG_M68360) || \ + defined(CONFIG_M68000) || defined(CONFIG_COLDFIRE)) + if (MACH_IS_MVME16x) + mvme16x_cons_write(c, s, n); + else + debug_cons_nputs(s, n); +#endif +} + +static struct console early_console_instance = { + .name = "debug", + .write = debug_cons_write, + .flags = CON_PRINTBUFFER | CON_BOOT, + .index = -1 +}; + +static int __init setup_early_printk(char *buf) +{ + if (early_console || buf) + return 0; + + early_console = &early_console_instance; + register_console(early_console); + + return 0; +} +early_param("earlyprintk", setup_early_printk); + +/* + * debug_cons_nputs() defined in arch/m68k/kernel/head.S cannot be called + * after init sections are discarded (for platforms that use it). + */ +#if !(defined(CONFIG_SUN3) || defined(CONFIG_M68360) || \ + defined(CONFIG_M68000) || defined(CONFIG_COLDFIRE)) + +static int __init unregister_early_console(void) +{ + if (!early_console || MACH_IS_MVME16x) + return 0; + + return unregister_console(early_console); +} +late_initcall(unregister_early_console); + +#endif diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S index 3ab329b..dbb118e 100644 --- a/arch/m68k/kernel/head.S +++ b/arch/m68k/kernel/head.S @@ -153,7 +153,7 @@ * ------------ * The console is also able to be turned off. The console in head.S * is specifically for debugging and can be very useful. It is surrounded by - * #ifdef CONSOLE/#endif clauses so it doesn't have to ship in known-good + * #ifdef / #endif clauses so it doesn't have to ship in known-good * kernels. It's basic algorithm is to determine the size of the screen * (in height/width and bit depth) and then use that information for * displaying an 8x8 font or an 8x16 (widthxheight). I prefer the 8x8 for @@ -198,9 +198,8 @@ * CONFIG_xxx: These are the obvious machine configuration defines created * during configuration. These are defined in autoconf.h. * - * CONSOLE: There is support for head.S console in this file. This - * console can talk to a Mac frame buffer, but could easily be extrapolated - * to extend it to support other platforms. + * CONSOLE_DEBUG: Only supports a Mac frame buffer but could easily be + * extended to support other platforms. * * TEST_MMU: This is a test harness for running on any given machine but * getting an MMU dump for another class of machine. The classes of machines @@ -222,7 +221,7 @@ * MMU_PRINT: There is a routine built into head.S that can display the * MMU data structures. It outputs its result through the serial_putc * interface. So where ever that winds up driving data, that's where the - * mmu struct will appear. On the Macintosh that's typically the console. + * mmu struct will appear. * * SERIAL_DEBUG: There are a series of putc() macro statements * scattered through out the code to give progress of status to the @@ -250,8 +249,8 @@ * USE_MFP: Use the ST-MFP port (Modem1) for serial debug. * * Macintosh constants: - * MAC_USE_SCC_A: Use SCC port A (modem) for serial debug and early console. - * MAC_USE_SCC_B: Use SCC port B (printer) for serial debug and early console. + * MAC_USE_SCC_A: Use SCC port A (modem) for serial debug. + * MAC_USE_SCC_B: Use SCC port B (printer) for serial debug. */ #include <linux/linkage.h> @@ -268,27 +267,17 @@ #include <asm/pgtable.h> #include <asm/page.h> #include <asm/asm-offsets.h> - #ifdef CONFIG_MAC - -#include <asm/machw.h> - -#ifdef CONFIG_FRAMEBUFFER_CONSOLE -#define CONSOLE +# include <asm/machw.h> #endif #ifdef CONFIG_EARLY_PRINTK -#define SERIAL_DEBUG -#else -#undef SERIAL_DEBUG +# define SERIAL_DEBUG +# if defined(CONFIG_MAC) && defined(CONFIG_FONT_SUPPORT) +# define CONSOLE_DEBUG +# endif #endif -#else /* !CONFIG_MAC */ - -#define SERIAL_DEBUG - -#endif /* !CONFIG_MAC */ - #undef MMU_PRINT #undef MMU_NOCACHE_KERNEL #undef DEBUG @@ -303,6 +292,7 @@ .globl kernel_pg_dir .globl availmem +.globl m68k_init_mapped_size .globl m68k_pgtable_cachemode .globl m68k_supervisor_cachemode #ifdef CONFIG_MVME16x @@ -480,22 +470,21 @@ func_define serial_putc,1 func_define console_putc,1 func_define console_init -func_define console_put_stats func_define console_put_penguin func_define console_plot_pixel,3 func_define console_scroll .macro putc ch -#if defined(CONSOLE) || defined(SERIAL_DEBUG) +#if defined(CONSOLE_DEBUG) || defined(SERIAL_DEBUG) pea \ch #endif -#ifdef CONSOLE +#ifdef CONSOLE_DEBUG func_call console_putc #endif #ifdef SERIAL_DEBUG func_call serial_putc #endif -#if defined(CONSOLE) || defined(SERIAL_DEBUG) +#if defined(CONSOLE_DEBUG) || defined(SERIAL_DEBUG) addql #4,%sp #endif .endm @@ -515,7 +504,7 @@ func_define putn,1 .endm .macro puts string -#if defined(CONSOLE) || defined(SERIAL_DEBUG) +#if defined(CONSOLE_DEBUG) || defined(SERIAL_DEBUG) __INITDATA .Lstr\@: .string "\string" @@ -651,11 +640,9 @@ ENTRY(__start) lea %pc@(L(mac_rowbytes)),%a1 movel %a0@,%a1@ -#ifdef SERIAL_DEBUG get_bi_record BI_MAC_SCCBASE lea %pc@(L(mac_sccbase)),%a1 movel %a0@,%a1@ -#endif L(test_notmac): #endif /* CONFIG_MAC */ @@ -885,13 +872,12 @@ L(nothp): */ #ifdef CONFIG_MAC is_not_mac(L(nocon)) -# ifdef CONSOLE +# ifdef CONSOLE_DEBUG console_init # ifdef CONFIG_LOGO console_put_penguin # endif /* CONFIG_LOGO */ - console_put_stats -# endif /* CONSOLE */ +# endif /* CONSOLE_DEBUG */ L(nocon): #endif /* CONFIG_MAC */ @@ -922,10 +908,21 @@ L(nocon): * * This block of code does what's necessary to map in the various kinds * of machines for execution of Linux. - * First map the first 4 MB of kernel code & data + * First map the first 4, 8, or 16 MB of kernel code & data */ - mmu_map #PAGE_OFFSET,%pc@(L(phys_kernel_start)),#4*1024*1024,\ + get_bi_record BI_MEMCHUNK + movel %a0@(4),%d0 + movel #16*1024*1024,%d1 + cmpl %d0,%d1 + jls 1f + lsrl #1,%d1 + cmpl %d0,%d1 + jls 1f + lsrl #1,%d1 +1: + movel %d1,m68k_init_mapped_size + mmu_map #PAGE_OFFSET,%pc@(L(phys_kernel_start)),%d1,\ %pc@(m68k_supervisor_cachemode) putc 'C' @@ -1396,15 +1393,13 @@ L(mmu_fixup_done): andl L(mac_videobase),%d0 addl #VIDEOMEMBASE,%d0 movel %d0,L(mac_videobase) -#if defined(CONSOLE) +#ifdef CONSOLE_DEBUG movel %pc@(L(phys_kernel_start)),%d0 subl #PAGE_OFFSET,%d0 subl %d0,L(console_font) subl %d0,L(console_font_data) #endif -#ifdef SERIAL_DEBUG orl #0x50000000,L(mac_sccbase) -#endif 1: #endif @@ -2734,7 +2729,12 @@ func_return get_new_page */ #ifdef CONFIG_MAC +/* You may define either or both of these. */ +#define MAC_USE_SCC_A /* Modem port */ +#define MAC_USE_SCC_B /* Printer port */ +#if defined(MAC_USE_SCC_A) || defined(MAC_USE_SCC_B) +/* Initialisation table for SCC with 3.6864 MHz PCLK */ L(scc_initable_mac): .byte 4,0x44 /* x16, 1 stopbit, no parity */ .byte 3,0xc0 /* receiver: 8 bpc */ @@ -2748,6 +2748,7 @@ L(scc_initable_mac): .byte -1 .even #endif +#endif /* CONFIG_MAC */ #ifdef CONFIG_ATARI /* #define USE_PRINTER */ @@ -2756,14 +2757,12 @@ L(scc_initable_mac): #define USE_MFP #if defined(USE_SCC_A) || defined(USE_SCC_B) -#define USE_SCC -/* Initialisation table for SCC */ -L(scc_initable): - .byte 9,12 /* Reset */ +/* Initialisation table for SCC with 7.9872 MHz PCLK */ +/* PCLK == 8.0539 gives baud == 9680.1 */ +L(scc_initable_atari): .byte 4,0x44 /* x16, 1 stopbit, no parity */ .byte 3,0xc0 /* receiver: 8 bpc */ .byte 5,0xe2 /* transmitter: 8 bpc, assert dtr/rts */ - .byte 9,0 /* no interrupts */ .byte 10,0 /* NRZ */ .byte 11,0x50 /* use baud rate generator */ .byte 12,24,13,0 /* 9600 baud */ @@ -2812,7 +2811,7 @@ LMFP_UDR = 0xfffa2f */ /* - * Initialize serial port hardware for 9600/8/1 + * Initialize serial port hardware */ func_start serial_init,%d0/%d1/%a0/%a1 /* @@ -2822,7 +2821,7 @@ func_start serial_init,%d0/%d1/%a0/%a1 * d0 = boot info offset * CONFIG_ATARI * a0 = address of SCC - * a1 = Liobase address/address of scc_initable + * a1 = Liobase address/address of scc_initable_atari * d0 = init data for serial port * CONFIG_MAC * a0 = address of SCC @@ -2843,6 +2842,7 @@ func_start serial_init,%d0/%d1/%a0/%a1 | movew #61,CUSTOMBASE+C_SERPER-ZTWOBASE 1: #endif + #ifdef CONFIG_ATARI is_not_atari(4f) movel %pc@(L(iobase)),%a1 @@ -2857,9 +2857,21 @@ func_start serial_init,%d0/%d1/%a0/%a1 moveb %a1@(LPSG_READ),%d0 bset #5,%d0 moveb %d0,%a1@(LPSG_WRITE) -#elif defined(USE_SCC) +#elif defined(USE_SCC_A) || defined(USE_SCC_B) lea %a1@(LSCC_CTRL),%a0 - lea %pc@(L(scc_initable)),%a1 + /* Reset SCC register pointer */ + moveb %a0@,%d0 + /* Reset SCC device: write register pointer then register value */ + moveb #9,%a0@ + moveb #0xc0,%a0@ + /* Wait for 5 PCLK cycles, which is about 63 CPU cycles */ + /* 5 / 7.9872 MHz = approx. 0.63 us = 63 / 100 MHz */ + movel #32,%d0 +2: + subq #1,%d0 + jne 2b + /* Initialize channel */ + lea %pc@(L(scc_initable_atari)),%a1 2: moveb %a1@+,%d0 jmi 3f moveb %d0,%a0@ @@ -2877,21 +2889,14 @@ func_start serial_init,%d0/%d1/%a0/%a1 jra L(serial_init_done) 4: #endif + #ifdef CONFIG_MAC is_not_mac(L(serial_init_not_mac)) - -#ifdef SERIAL_DEBUG - -/* You may define either or both of these. */ -#define MAC_USE_SCC_A /* Modem port */ -#define MAC_USE_SCC_B /* Printer port */ - +#if defined(MAC_USE_SCC_A) || defined(MAC_USE_SCC_B) #define mac_scc_cha_b_ctrl_offset 0x0 #define mac_scc_cha_a_ctrl_offset 0x2 #define mac_scc_cha_b_data_offset 0x4 #define mac_scc_cha_a_data_offset 0x6 - -#if defined(MAC_USE_SCC_A) || defined(MAC_USE_SCC_B) movel %pc@(L(mac_sccbase)),%a0 /* Reset SCC register pointer */ moveb %a0@(mac_scc_cha_a_ctrl_offset),%d0 @@ -2905,7 +2910,6 @@ func_start serial_init,%d0/%d1/%a0/%a1 subq #1,%d0 jne 5b #endif - #ifdef MAC_USE_SCC_A /* Initialize channel A */ lea %pc@(L(scc_initable_mac)),%a1 @@ -2916,7 +2920,6 @@ func_start serial_init,%d0/%d1/%a0/%a1 jra 5b 6: #endif /* MAC_USE_SCC_A */ - #ifdef MAC_USE_SCC_B /* Initialize channel B */ lea %pc@(L(scc_initable_mac)),%a1 @@ -2927,9 +2930,6 @@ func_start serial_init,%d0/%d1/%a0/%a1 jra 7b 8: #endif /* MAC_USE_SCC_B */ - -#endif /* SERIAL_DEBUG */ - jra L(serial_init_done) L(serial_init_not_mac): #endif /* CONFIG_MAC */ @@ -2959,6 +2959,15 @@ L(serial_init_not_mac): 2: #endif +#ifdef CONFIG_MVME16x + is_not_mvme16x(L(serial_init_not_mvme16x)) + moveb #0x10,M167_PCSCCMICR + moveb #0x10,M167_PCSCCTICR + moveb #0x10,M167_PCSCCRICR + jra L(serial_init_done) +L(serial_init_not_mvme16x): +#endif + #ifdef CONFIG_APOLLO /* We count on the PROM initializing SIO1 */ #endif @@ -2998,27 +3007,19 @@ func_start serial_putc,%d0/%d1/%a0/%a1 #ifdef CONFIG_MAC is_not_mac(5f) - -#ifdef SERIAL_DEBUG - #if defined(MAC_USE_SCC_A) || defined(MAC_USE_SCC_B) movel %pc@(L(mac_sccbase)),%a1 #endif - #ifdef MAC_USE_SCC_A 3: btst #2,%a1@(mac_scc_cha_a_ctrl_offset) jeq 3b moveb %d0,%a1@(mac_scc_cha_a_data_offset) #endif /* MAC_USE_SCC_A */ - #ifdef MAC_USE_SCC_B 4: btst #2,%a1@(mac_scc_cha_b_ctrl_offset) jeq 4b moveb %d0,%a1@(mac_scc_cha_b_data_offset) #endif /* MAC_USE_SCC_B */ - -#endif /* SERIAL_DEBUG */ - jra L(serial_putc_done) 5: #endif /* CONFIG_MAC */ @@ -3039,7 +3040,7 @@ func_start serial_putc,%d0/%d1/%a0/%a1 nop bset #5,%d0 moveb %d0,%a1@(LPSG_WRITE) -#elif defined(USE_SCC) +#elif defined(USE_SCC_A) || defined(USE_SCC_B) 3: btst #2,%a1@(LSCC_CTRL) jeq 3b moveb %d0,%a1@(LSCC_DATA) @@ -3195,7 +3196,7 @@ func_start puts,%d0/%a0 movel ARG1,%a0 jra 2f 1: -#ifdef CONSOLE +#ifdef CONSOLE_DEBUG console_putc %d0 #endif #ifdef SERIAL_DEBUG @@ -3224,7 +3225,7 @@ func_start putn,%d0-%d2 jls 2f addb #'A'-('9'+1),%d2 2: -#ifdef CONSOLE +#ifdef CONSOLE_DEBUG console_putc %d2 #endif #ifdef SERIAL_DEBUG @@ -3234,21 +3235,19 @@ func_start putn,%d0-%d2 func_return putn -#ifdef CONFIG_MAC +#ifdef CONFIG_EARLY_PRINTK /* - * mac_early_print - * * This routine takes its parameters on the stack. It then * turns around and calls the internal routines. This routine * is used by the boot console. * * The calling parameters are: - * void mac_early_print(const char *str, unsigned length); + * void debug_cons_nputs(const char *str, unsigned length) * * This routine does NOT understand variable arguments only * simple strings! */ -ENTRY(mac_early_print) +ENTRY(debug_cons_nputs) moveml %d0/%d1/%a0,%sp@- movew %sr,%sp@- ori #0x0700,%sr @@ -3256,7 +3255,7 @@ ENTRY(mac_early_print) movel %sp@(22),%d1 /* fetch parameter */ jra 2f 1: -#ifdef CONSOLE +#ifdef CONSOLE_DEBUG console_putc %d0 #endif #ifdef SERIAL_DEBUG @@ -3270,7 +3269,7 @@ ENTRY(mac_early_print) movew %sp@+,%sr moveml %sp@+,%d0/%d1/%a0 rts -#endif /* CONFIG_MAC */ +#endif /* CONFIG_EARLY_PRINTK */ #if defined(CONFIG_HP300) || defined(CONFIG_APOLLO) func_start set_leds,%d0/%a0 @@ -3292,7 +3291,7 @@ func_start set_leds,%d0/%a0 func_return set_leds #endif -#ifdef CONSOLE +#ifdef CONSOLE_DEBUG /* * For continuity, see the data alignment * to which this structure is tied. @@ -3396,43 +3395,6 @@ L(console_clear_loop): 1: func_return console_init -func_start console_put_stats,%a0/%d7 - /* - * Some of the register usage that follows - * a0 = pointer to boot_info - * d7 = value of boot_info fields - */ - puts "\nMacLinux\n" - -#ifdef SERIAL_DEBUG - puts "\n vidaddr:" - putn %pc@(L(mac_videobase)) /* video addr. */ - - puts "\n _stext:" - lea %pc@(_stext),%a0 - putn %a0 - - puts "\nbootinfo:" - lea %pc@(_end),%a0 - putn %a0 - - puts "\n cpuid:" - putn %pc@(L(cputype)) - -# ifdef CONFIG_MAC - puts "\n sccbase:" - putn %pc@(L(mac_sccbase)) -# endif -# ifdef MMU_PRINT - putc '\n' - jbsr mmu_print_machine_cpu_types -# endif -#endif /* SERIAL_DEBUG */ - - putc '\n' - -func_return console_put_stats - #ifdef CONFIG_LOGO func_start console_put_penguin,%a0-%a1/%d0-%d7 /* @@ -3774,12 +3736,15 @@ L(white_16): L(console_plot_pixel_exit): func_return console_plot_pixel -#endif /* CONSOLE */ +#endif /* CONSOLE_DEBUG */ __INITDATA .align 4 +m68k_init_mapped_size: + .long 0 + #if defined(CONFIG_ATARI) || defined(CONFIG_AMIGA) || \ defined(CONFIG_HP300) || defined(CONFIG_APOLLO) L(custom): @@ -3787,7 +3752,7 @@ L(iobase): .long 0 #endif -#if defined(CONSOLE) +#ifdef CONSOLE_DEBUG L(console_globals): .long 0 /* cursor column */ .long 0 /* cursor row */ @@ -3798,7 +3763,7 @@ L(console_font): .long 0 /* pointer to console font (struct font_desc) */ L(console_font_data): .long 0 /* pointer to console font data */ -#endif /* CONSOLE */ +#endif /* CONSOLE_DEBUG */ #if defined(MMU_PRINT) L(mmu_print_data): @@ -3838,7 +3803,9 @@ M167_CYIER = 0xfff45011 M167_CYLICR = 0xfff45026 M167_CYTEOIR = 0xfff45085 M167_CYTDR = 0xfff450f8 +M167_PCSCCMICR = 0xfff4201d M167_PCSCCTICR = 0xfff4201e +M167_PCSCCRICR = 0xfff4201f M167_PCTPIACKR = 0xfff42025 #endif @@ -3856,10 +3823,8 @@ L(mac_dimensions): .long 0 L(mac_rowbytes): .long 0 -#ifdef SERIAL_DEBUG L(mac_sccbase): .long 0 -#endif #endif /* CONFIG_MAC */ #if defined (CONFIG_APOLLO) diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index b6223dc4..501e102 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -371,4 +371,5 @@ ENTRY(sys_call_table) .long sys_finit_module .long sys_sched_setattr .long sys_sched_getattr /* 350 */ + .long sys_renameat2 diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c index 982c3fe..a471eab 100644 --- a/arch/m68k/mac/config.c +++ b/arch/m68k/mac/config.c @@ -71,31 +71,6 @@ static void mac_get_model(char *str); static void mac_identify(void); static void mac_report_hardware(void); -#ifdef CONFIG_EARLY_PRINTK -asmlinkage void __init mac_early_print(const char *s, unsigned n); - -static void __init mac_early_cons_write(struct console *con, - const char *s, unsigned n) -{ - mac_early_print(s, n); -} - -static struct console __initdata mac_early_cons = { - .name = "early", - .write = mac_early_cons_write, - .flags = CON_PRINTBUFFER | CON_BOOT, - .index = -1 -}; - -int __init mac_unregister_early_cons(void) -{ - /* mac_early_print can't be used after init sections are discarded */ - return unregister_console(&mac_early_cons); -} - -late_initcall(mac_unregister_early_cons); -#endif - static void __init mac_sched_init(irq_handler_t vector) { via_init_clock(vector); @@ -190,10 +165,6 @@ void __init config_mac(void) mach_beep = mac_mksound; #endif -#ifdef CONFIG_EARLY_PRINTK - register_console(&mac_early_cons); -#endif - /* * Determine hardware present */ diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index 7d40244..b958916 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -45,7 +45,7 @@ EXPORT_SYMBOL(mm_cachebits); #endif /* size of memory already mapped in head.S */ -#define INIT_MAPPED_SIZE (4UL<<20) +extern __initdata unsigned long m68k_init_mapped_size; extern unsigned long availmem; @@ -271,10 +271,12 @@ void __init paging_init(void) */ addr = m68k_memory[0].addr; size = m68k_memory[0].size; - free_bootmem_node(NODE_DATA(0), availmem, min(INIT_MAPPED_SIZE, size) - (availmem - addr)); + free_bootmem_node(NODE_DATA(0), availmem, + min(m68k_init_mapped_size, size) - (availmem - addr)); map_node(0); - if (size > INIT_MAPPED_SIZE) - free_bootmem_node(NODE_DATA(0), addr + INIT_MAPPED_SIZE, size - INIT_MAPPED_SIZE); + if (size > m68k_init_mapped_size) + free_bootmem_node(NODE_DATA(0), addr + m68k_init_mapped_size, + size - m68k_init_mapped_size); for (i = 1; i < m68k_num_memory; i++) map_node(i); diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c index eab7d34..a53803c 100644 --- a/arch/m68k/mvme16x/config.c +++ b/arch/m68k/mvme16x/config.c @@ -213,7 +213,7 @@ static void __init mvme16x_init_IRQ (void) #define CySCRH (0x22) #define CyTFTC (0x80) -static void cons_write(struct console *co, const char *str, unsigned count) +void mvme16x_cons_write(struct console *co, const char *str, unsigned count) { volatile unsigned char *base_addr = (u_char *)CD2401_ADDR; volatile u_char sink; @@ -268,20 +268,6 @@ static void cons_write(struct console *co, const char *str, unsigned count) base_addr[CyIER] = ier; } -static struct console cons_info = -{ - .name = "sercon", - .write = cons_write, - .flags = CON_PRINTBUFFER | CON_BOOT, - .index = -1, -}; - -static void __init mvme16x_early_console(void) -{ - register_console(&cons_info); - - printk(KERN_INFO "MVME16x: early console registered\n"); -} #endif void __init config_mvme16x(void) @@ -336,16 +322,6 @@ void __init config_mvme16x(void) else { mvme16x_config = MVME16x_CONFIG_GOT_LP | MVME16x_CONFIG_GOT_CD2401; - - /* Dont allow any interrupts from the CD2401 until the interrupt */ - /* handlers are installed */ - - pcc2chip[PccSCCMICR] = 0x10; - pcc2chip[PccSCCTICR] = 0x10; - pcc2chip[PccSCCRICR] = 0x10; -#ifdef CONFIG_EARLY_PRINTK - mvme16x_early_console(); -#endif } } diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h index 5d6b4b4..2d6f0de 100644 --- a/arch/metag/include/asm/barrier.h +++ b/arch/metag/include/asm/barrier.h @@ -15,6 +15,7 @@ static inline void wr_fence(void) volatile int *flushptr = (volatile int *) LINSYSEVENT_WR_FENCE; barrier(); *flushptr = 0; + barrier(); } #else /* CONFIG_METAG_META21 */ @@ -35,6 +36,7 @@ static inline void wr_fence(void) *flushptr = 0; *flushptr = 0; *flushptr = 0; + barrier(); } #endif /* !CONFIG_METAG_META21 */ @@ -68,6 +70,7 @@ static inline void fence(void) volatile int *flushptr = (volatile int *) LINSYSEVENT_WR_ATOMIC_UNLOCK; barrier(); *flushptr = 0; + barrier(); } #define smp_mb() fence() #define smp_rmb() fence() diff --git a/arch/metag/include/asm/processor.h b/arch/metag/include/asm/processor.h index f16477d..a8a3747 100644 --- a/arch/metag/include/asm/processor.h +++ b/arch/metag/include/asm/processor.h @@ -22,6 +22,8 @@ /* Add an extra page of padding at the top of the stack for the guard page. */ #define STACK_TOP (TASK_SIZE - PAGE_SIZE) #define STACK_TOP_MAX STACK_TOP +/* Maximum virtual space for stack */ +#define STACK_SIZE_MAX (CONFIG_MAX_STACK_SIZE_MB*1024*1024) /* This decides where the kernel will search for a free chunk of vm * space during mmap's. diff --git a/arch/metag/include/uapi/asm/Kbuild b/arch/metag/include/uapi/asm/Kbuild index 84e09fe..ab78be2 100644 --- a/arch/metag/include/uapi/asm/Kbuild +++ b/arch/metag/include/uapi/asm/Kbuild @@ -4,11 +4,11 @@ include include/uapi/asm-generic/Kbuild.asm header-y += byteorder.h header-y += ech.h header-y += ptrace.h -header-y += resource.h header-y += sigcontext.h header-y += siginfo.h header-y += swab.h header-y += unistd.h generic-y += mman.h +generic-y += resource.h generic-y += setup.h diff --git a/arch/metag/include/uapi/asm/resource.h b/arch/metag/include/uapi/asm/resource.h deleted file mode 100644 index 526d23c..0000000 --- a/arch/metag/include/uapi/asm/resource.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef _UAPI_METAG_RESOURCE_H -#define _UAPI_METAG_RESOURCE_H - -#define _STK_LIM_MAX (1 << 28) -#include <asm-generic/resource.h> - -#endif /* _UAPI_METAG_RESOURCE_H */ diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 1a5b403..60a359c 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -151,7 +151,7 @@ cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \ -Wa,--trap cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \ -Wa,--trap -cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \ +cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1 -mno-mdmx -mno-mips3d,-march=r5000) \ -Wa,--trap cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \ diff --git a/arch/mips/dec/ecc-berr.c b/arch/mips/dec/ecc-berr.c index 5abf4e8..2a66e90 100644 --- a/arch/mips/dec/ecc-berr.c +++ b/arch/mips/dec/ecc-berr.c @@ -21,6 +21,7 @@ #include <asm/addrspace.h> #include <asm/bootinfo.h> #include <asm/cpu.h> +#include <asm/cpu-type.h> #include <asm/irq_regs.h> #include <asm/processor.h> #include <asm/ptrace.h> diff --git a/arch/mips/dec/kn02xa-berr.c b/arch/mips/dec/kn02xa-berr.c index f434b75..ec60636 100644 --- a/arch/mips/dec/kn02xa-berr.c +++ b/arch/mips/dec/kn02xa-berr.c @@ -19,6 +19,7 @@ #include <linux/types.h> #include <asm/addrspace.h> +#include <asm/cpu-type.h> #include <asm/irq_regs.h> #include <asm/ptrace.h> #include <asm/traps.h> diff --git a/arch/mips/dec/prom/Makefile b/arch/mips/dec/prom/Makefile index 064ae7a..ae73e42 100644 --- a/arch/mips/dec/prom/Makefile +++ b/arch/mips/dec/prom/Makefile @@ -6,4 +6,3 @@ lib-y += init.o memory.o cmdline.o identify.o console.o lib-$(CONFIG_32BIT) += locore.o -lib-$(CONFIG_64BIT) += call_o32.o diff --git a/arch/mips/dec/prom/call_o32.S b/arch/mips/dec/prom/call_o32.S deleted file mode 100644 index 8c84981..0000000 --- a/arch/mips/dec/prom/call_o32.S +++ /dev/null @@ -1,89 +0,0 @@ -/* - * O32 interface for the 64 (or N32) ABI. - * - * Copyright (C) 2002 Maciej W. Rozycki - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <asm/asm.h> -#include <asm/regdef.h> - -/* Maximum number of arguments supported. Must be even! */ -#define O32_ARGC 32 -/* Number of static registers we save. */ -#define O32_STATC 11 -/* Frame size for both of the above. */ -#define O32_FRAMESZ (4 * O32_ARGC + SZREG * O32_STATC) - - .text - -/* - * O32 function call dispatcher, for interfacing 32-bit ROM routines. - * - * The standard 64 (N32) calling sequence is supported, with a0 - * holding a function pointer, a1-a7 -- its first seven arguments - * and the stack -- remaining ones (up to O32_ARGC, including a1-a7). - * Static registers, gp and fp are preserved, v0 holds a result. - * This code relies on the called o32 function for sp and ra - * restoration and thus both this dispatcher and the current stack - * have to be placed in a KSEGx (or KUSEG) address space. Any - * pointers passed have to point to addresses within one of these - * spaces as well. - */ -NESTED(call_o32, O32_FRAMESZ, ra) - REG_SUBU sp,O32_FRAMESZ - - REG_S ra,O32_FRAMESZ-1*SZREG(sp) - REG_S fp,O32_FRAMESZ-2*SZREG(sp) - REG_S gp,O32_FRAMESZ-3*SZREG(sp) - REG_S s7,O32_FRAMESZ-4*SZREG(sp) - REG_S s6,O32_FRAMESZ-5*SZREG(sp) - REG_S s5,O32_FRAMESZ-6*SZREG(sp) - REG_S s4,O32_FRAMESZ-7*SZREG(sp) - REG_S s3,O32_FRAMESZ-8*SZREG(sp) - REG_S s2,O32_FRAMESZ-9*SZREG(sp) - REG_S s1,O32_FRAMESZ-10*SZREG(sp) - REG_S s0,O32_FRAMESZ-11*SZREG(sp) - - move jp,a0 - - sll a0,a1,zero - sll a1,a2,zero - sll a2,a3,zero - sll a3,a4,zero - sw a5,0x10(sp) - sw a6,0x14(sp) - sw a7,0x18(sp) - - PTR_LA t0,O32_FRAMESZ(sp) - PTR_LA t1,0x1c(sp) - li t2,O32_ARGC-7 -1: - lw t3,(t0) - REG_ADDU t0,SZREG - sw t3,(t1) - REG_SUBU t2,1 - REG_ADDU t1,4 - bnez t2,1b - - jalr jp - - REG_L s0,O32_FRAMESZ-11*SZREG(sp) - REG_L s1,O32_FRAMESZ-10*SZREG(sp) - REG_L s2,O32_FRAMESZ-9*SZREG(sp) - REG_L s3,O32_FRAMESZ-8*SZREG(sp) - REG_L s4,O32_FRAMESZ-7*SZREG(sp) - REG_L s5,O32_FRAMESZ-6*SZREG(sp) - REG_L s6,O32_FRAMESZ-5*SZREG(sp) - REG_L s7,O32_FRAMESZ-4*SZREG(sp) - REG_L gp,O32_FRAMESZ-3*SZREG(sp) - REG_L fp,O32_FRAMESZ-2*SZREG(sp) - REG_L ra,O32_FRAMESZ-1*SZREG(sp) - - REG_ADDU sp,O32_FRAMESZ - jr ra -END(call_o32) diff --git a/arch/mips/fw/lib/call_o32.S b/arch/mips/fw/lib/call_o32.S index b308b2a..4703fe4 100644 --- a/arch/mips/fw/lib/call_o32.S +++ b/arch/mips/fw/lib/call_o32.S @@ -1,7 +1,7 @@ /* * O32 interface for the 64 (or N32) ABI. * - * Copyright (C) 2002 Maciej W. Rozycki + * Copyright (C) 2002, 2014 Maciej W. Rozycki * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -12,28 +12,37 @@ #include <asm/asm.h> #include <asm/regdef.h> +/* O32 register size. */ +#define O32_SZREG 4 /* Maximum number of arguments supported. Must be even! */ #define O32_ARGC 32 -/* Number of static registers we save. */ +/* Number of static registers we save. */ #define O32_STATC 11 -/* Frame size for static register */ -#define O32_FRAMESZ (SZREG * O32_STATC) -/* Frame size on new stack */ -#define O32_FRAMESZ_NEW (SZREG + 4 * O32_ARGC) +/* Argument area frame size. */ +#define O32_ARGSZ (O32_SZREG * O32_ARGC) +/* Static register save area frame size. */ +#define O32_STATSZ (SZREG * O32_STATC) +/* Stack pointer register save area frame size. */ +#define O32_SPSZ SZREG +/* Combined area frame size. */ +#define O32_FRAMESZ (O32_ARGSZ + O32_SPSZ + O32_STATSZ) +/* Switched stack frame size. */ +#define O32_NFRAMESZ (O32_ARGSZ + O32_SPSZ) .text /* * O32 function call dispatcher, for interfacing 32-bit ROM routines. * - * The standard 64 (N32) calling sequence is supported, with a0 - * holding a function pointer, a1 a new stack pointer, a2-a7 -- its - * first six arguments and the stack -- remaining ones (up to O32_ARGC, - * including a2-a7). Static registers, gp and fp are preserved, v0 holds - * a result. This code relies on the called o32 function for sp and ra - * restoration and this dispatcher has to be placed in a KSEGx (or KUSEG) - * address space. Any pointers passed have to point to addresses within - * one of these spaces as well. + * The standard 64 (N32) calling sequence is supported, with a0 holding + * a function pointer, a1 a pointer to the new stack to call the + * function with or 0 if no stack switching is requested, a2-a7 -- the + * function call's first six arguments, and the stack -- the remaining + * arguments (up to O32_ARGC, including a2-a7). Static registers, gp + * and fp are preserved, v0 holds the result. This code relies on the + * called o32 function for sp and ra restoration and this dispatcher has + * to be placed in a KSEGx (or KUSEG) address space. Any pointers + * passed have to point to addresses within one of these spaces as well. */ NESTED(call_o32, O32_FRAMESZ, ra) REG_SUBU sp,O32_FRAMESZ @@ -51,32 +60,36 @@ NESTED(call_o32, O32_FRAMESZ, ra) REG_S s0,O32_FRAMESZ-11*SZREG(sp) move jp,a0 - REG_SUBU s0,a1,O32_FRAMESZ_NEW - REG_S sp,O32_FRAMESZ_NEW-1*SZREG(s0) + + move fp,sp + beqz a1,0f + REG_SUBU fp,a1,O32_NFRAMESZ +0: + REG_S sp,O32_NFRAMESZ-1*SZREG(fp) sll a0,a2,zero sll a1,a3,zero sll a2,a4,zero sll a3,a5,zero - sw a6,0x10(s0) - sw a7,0x14(s0) + sw a6,4*O32_SZREG(fp) + sw a7,5*O32_SZREG(fp) PTR_LA t0,O32_FRAMESZ(sp) - PTR_LA t1,0x18(s0) + PTR_LA t1,6*O32_SZREG(fp) li t2,O32_ARGC-6 1: lw t3,(t0) REG_ADDU t0,SZREG sw t3,(t1) REG_SUBU t2,1 - REG_ADDU t1,4 + REG_ADDU t1,O32_SZREG bnez t2,1b - move sp,s0 + move sp,fp jalr jp - REG_L sp,O32_FRAMESZ_NEW-1*SZREG(sp) + REG_L sp,O32_NFRAMESZ-1*SZREG(sp) REG_L s0,O32_FRAMESZ-11*SZREG(sp) REG_L s1,O32_FRAMESZ-10*SZREG(sp) diff --git a/arch/mips/fw/sni/sniprom.c b/arch/mips/fw/sni/sniprom.c index 2c2cb18..6aa264b 100644 --- a/arch/mips/fw/sni/sniprom.c +++ b/arch/mips/fw/sni/sniprom.c @@ -40,7 +40,8 @@ #ifdef CONFIG_64BIT -static u8 o32_stk[16384]; +/* O32 stack has to be 8-byte aligned. */ +static u64 o32_stk[4096]; #define O32_STK &o32_stk[sizeof(o32_stk)] #define __PROM_O32(fun, arg) fun arg __asm__(#fun); \ diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h index dc2135b..ff2707a 100644 --- a/arch/mips/include/asm/cpu-info.h +++ b/arch/mips/include/asm/cpu-info.h @@ -39,14 +39,14 @@ struct cache_desc { #define MIPS_CACHE_PINDEX 0x00000020 /* Physically indexed cache */ struct cpuinfo_mips { - unsigned int udelay_val; - unsigned int asid_cache; + unsigned long asid_cache; /* * Capability and feature descriptor structure for MIPS CPU */ unsigned long options; unsigned long ases; + unsigned int udelay_val; unsigned int processor_id; unsigned int fpu_id; unsigned int msa_id; diff --git a/arch/mips/include/asm/dec/prom.h b/arch/mips/include/asm/dec/prom.h index c0ead63..b59a210 100644 --- a/arch/mips/include/asm/dec/prom.h +++ b/arch/mips/include/asm/dec/prom.h @@ -113,31 +113,31 @@ extern int (*__pmax_close)(int); #define __DEC_PROM_O32(fun, arg) fun arg __asm__(#fun); \ __asm__(#fun " = call_o32") -int __DEC_PROM_O32(_rex_bootinit, (int (*)(void))); -int __DEC_PROM_O32(_rex_bootread, (int (*)(void))); -int __DEC_PROM_O32(_rex_getbitmap, (int (*)(memmap *), memmap *)); +int __DEC_PROM_O32(_rex_bootinit, (int (*)(void), void *)); +int __DEC_PROM_O32(_rex_bootread, (int (*)(void), void *)); +int __DEC_PROM_O32(_rex_getbitmap, (int (*)(memmap *), void *, memmap *)); unsigned long *__DEC_PROM_O32(_rex_slot_address, - (unsigned long *(*)(int), int)); -void *__DEC_PROM_O32(_rex_gettcinfo, (void *(*)(void))); -int __DEC_PROM_O32(_rex_getsysid, (int (*)(void))); -void __DEC_PROM_O32(_rex_clear_cache, (void (*)(void))); - -int __DEC_PROM_O32(_prom_getchar, (int (*)(void))); -char *__DEC_PROM_O32(_prom_getenv, (char *(*)(char *), char *)); -int __DEC_PROM_O32(_prom_printf, (int (*)(char *, ...), char *, ...)); - - -#define rex_bootinit() _rex_bootinit(__rex_bootinit) -#define rex_bootread() _rex_bootread(__rex_bootread) -#define rex_getbitmap(x) _rex_getbitmap(__rex_getbitmap, x) -#define rex_slot_address(x) _rex_slot_address(__rex_slot_address, x) -#define rex_gettcinfo() _rex_gettcinfo(__rex_gettcinfo) -#define rex_getsysid() _rex_getsysid(__rex_getsysid) -#define rex_clear_cache() _rex_clear_cache(__rex_clear_cache) - -#define prom_getchar() _prom_getchar(__prom_getchar) -#define prom_getenv(x) _prom_getenv(__prom_getenv, x) -#define prom_printf(x...) _prom_printf(__prom_printf, x) + (unsigned long *(*)(int), void *, int)); +void *__DEC_PROM_O32(_rex_gettcinfo, (void *(*)(void), void *)); +int __DEC_PROM_O32(_rex_getsysid, (int (*)(void), void *)); +void __DEC_PROM_O32(_rex_clear_cache, (void (*)(void), void *)); + +int __DEC_PROM_O32(_prom_getchar, (int (*)(void), void *)); +char *__DEC_PROM_O32(_prom_getenv, (char *(*)(char *), void *, char *)); +int __DEC_PROM_O32(_prom_printf, (int (*)(char *, ...), void *, char *, ...)); + + +#define rex_bootinit() _rex_bootinit(__rex_bootinit, NULL) +#define rex_bootread() _rex_bootread(__rex_bootread, NULL) +#define rex_getbitmap(x) _rex_getbitmap(__rex_getbitmap, NULL, x) +#define rex_slot_address(x) _rex_slot_address(__rex_slot_address, NULL, x) +#define rex_gettcinfo() _rex_gettcinfo(__rex_gettcinfo, NULL) +#define rex_getsysid() _rex_getsysid(__rex_getsysid, NULL) +#define rex_clear_cache() _rex_clear_cache(__rex_clear_cache, NULL) + +#define prom_getchar() _prom_getchar(__prom_getchar, NULL) +#define prom_getenv(x) _prom_getenv(__prom_getenv, NULL, x) +#define prom_printf(x...) _prom_printf(__prom_printf, NULL, x) #else /* !CONFIG_64BIT */ diff --git a/arch/mips/include/asm/rm9k-ocd.h b/arch/mips/include/asm/rm9k-ocd.h deleted file mode 100644 index b0b80d9..0000000 --- a/arch/mips/include/asm/rm9k-ocd.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Copyright (C) 2004 by Basler Vision Technologies AG - * Author: Thomas Koeller <thomas.koeller@baslerweb.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#if !defined(_ASM_RM9K_OCD_H) -#define _ASM_RM9K_OCD_H - -#include <linux/types.h> -#include <linux/spinlock.h> -#include <asm/io.h> - -extern volatile void __iomem * const ocd_base; -extern volatile void __iomem * const titan_base; - -#define ocd_addr(__x__) (ocd_base + (__x__)) -#define titan_addr(__x__) (titan_base + (__x__)) -#define scram_addr(__x__) (scram_base + (__x__)) - -/* OCD register access */ -#define ocd_readl(__offs__) __raw_readl(ocd_addr(__offs__)) -#define ocd_readw(__offs__) __raw_readw(ocd_addr(__offs__)) -#define ocd_readb(__offs__) __raw_readb(ocd_addr(__offs__)) -#define ocd_writel(__val__, __offs__) \ - __raw_writel((__val__), ocd_addr(__offs__)) -#define ocd_writew(__val__, __offs__) \ - __raw_writew((__val__), ocd_addr(__offs__)) -#define ocd_writeb(__val__, __offs__) \ - __raw_writeb((__val__), ocd_addr(__offs__)) - -/* TITAN register access - 32 bit-wide only */ -#define titan_readl(__offs__) __raw_readl(titan_addr(__offs__)) -#define titan_writel(__val__, __offs__) \ - __raw_writel((__val__), titan_addr(__offs__)) - -/* Protect access to shared TITAN registers */ -extern spinlock_t titan_lock; -extern int titan_irqflags; -#define lock_titan_regs() spin_lock_irqsave(&titan_lock, titan_irqflags) -#define unlock_titan_regs() spin_unlock_irqrestore(&titan_lock, titan_irqflags) - -#endif /* !defined(_ASM_RM9K_OCD_H) */ diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h index c6e9cd2..17960fe 100644 --- a/arch/mips/include/asm/syscall.h +++ b/arch/mips/include/asm/syscall.h @@ -133,6 +133,8 @@ static inline int syscall_get_arch(void) #ifdef CONFIG_64BIT if (!test_thread_flag(TIF_32BIT_REGS)) arch |= __AUDIT_ARCH_64BIT; + if (test_thread_flag(TIF_32BIT_ADDR)) + arch |= __AUDIT_ARCH_CONVENTION_MIPS64_N32; #endif #if defined(__LITTLE_ENDIAN) arch |= __AUDIT_ARCH_LE; diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h index df6e775..3125797 100644 --- a/arch/mips/include/uapi/asm/inst.h +++ b/arch/mips/include/uapi/asm/inst.h @@ -484,13 +484,13 @@ enum MIPS6e_i8_func { * Damn ... bitfields depend from byteorder :-( */ #ifdef __MIPSEB__ -#define BITFIELD_FIELD(field, more) \ +#define __BITFIELD_FIELD(field, more) \ field; \ more #elif defined(__MIPSEL__) -#define BITFIELD_FIELD(field, more) \ +#define __BITFIELD_FIELD(field, more) \ more \ field; @@ -499,112 +499,112 @@ enum MIPS6e_i8_func { #endif struct j_format { - BITFIELD_FIELD(unsigned int opcode : 6, /* Jump format */ - BITFIELD_FIELD(unsigned int target : 26, + __BITFIELD_FIELD(unsigned int opcode : 6, /* Jump format */ + __BITFIELD_FIELD(unsigned int target : 26, ;)) }; struct i_format { /* signed immediate format */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rs : 5, - BITFIELD_FIELD(unsigned int rt : 5, - BITFIELD_FIELD(signed int simmediate : 16, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rs : 5, + __BITFIELD_FIELD(unsigned int rt : 5, + __BITFIELD_FIELD(signed int simmediate : 16, ;)))) }; struct u_format { /* unsigned immediate format */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rs : 5, - BITFIELD_FIELD(unsigned int rt : 5, - BITFIELD_FIELD(unsigned int uimmediate : 16, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rs : 5, + __BITFIELD_FIELD(unsigned int rt : 5, + __BITFIELD_FIELD(unsigned int uimmediate : 16, ;)))) }; struct c_format { /* Cache (>= R6000) format */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rs : 5, - BITFIELD_FIELD(unsigned int c_op : 3, - BITFIELD_FIELD(unsigned int cache : 2, - BITFIELD_FIELD(unsigned int simmediate : 16, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rs : 5, + __BITFIELD_FIELD(unsigned int c_op : 3, + __BITFIELD_FIELD(unsigned int cache : 2, + __BITFIELD_FIELD(unsigned int simmediate : 16, ;))))) }; struct r_format { /* Register format */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rs : 5, - BITFIELD_FIELD(unsigned int rt : 5, - BITFIELD_FIELD(unsigned int rd : 5, - BITFIELD_FIELD(unsigned int re : 5, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rs : 5, + __BITFIELD_FIELD(unsigned int rt : 5, + __BITFIELD_FIELD(unsigned int rd : 5, + __BITFIELD_FIELD(unsigned int re : 5, + __BITFIELD_FIELD(unsigned int func : 6, ;)))))) }; struct p_format { /* Performance counter format (R10000) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rs : 5, - BITFIELD_FIELD(unsigned int rt : 5, - BITFIELD_FIELD(unsigned int rd : 5, - BITFIELD_FIELD(unsigned int re : 5, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rs : 5, + __BITFIELD_FIELD(unsigned int rt : 5, + __BITFIELD_FIELD(unsigned int rd : 5, + __BITFIELD_FIELD(unsigned int re : 5, + __BITFIELD_FIELD(unsigned int func : 6, ;)))))) }; struct f_format { /* FPU register format */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int : 1, - BITFIELD_FIELD(unsigned int fmt : 4, - BITFIELD_FIELD(unsigned int rt : 5, - BITFIELD_FIELD(unsigned int rd : 5, - BITFIELD_FIELD(unsigned int re : 5, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int : 1, + __BITFIELD_FIELD(unsigned int fmt : 4, + __BITFIELD_FIELD(unsigned int rt : 5, + __BITFIELD_FIELD(unsigned int rd : 5, + __BITFIELD_FIELD(unsigned int re : 5, + __BITFIELD_FIELD(unsigned int func : 6, ;))))))) }; struct ma_format { /* FPU multiply and add format (MIPS IV) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int fr : 5, - BITFIELD_FIELD(unsigned int ft : 5, - BITFIELD_FIELD(unsigned int fs : 5, - BITFIELD_FIELD(unsigned int fd : 5, - BITFIELD_FIELD(unsigned int func : 4, - BITFIELD_FIELD(unsigned int fmt : 2, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int fr : 5, + __BITFIELD_FIELD(unsigned int ft : 5, + __BITFIELD_FIELD(unsigned int fs : 5, + __BITFIELD_FIELD(unsigned int fd : 5, + __BITFIELD_FIELD(unsigned int func : 4, + __BITFIELD_FIELD(unsigned int fmt : 2, ;))))))) }; struct b_format { /* BREAK and SYSCALL */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int code : 20, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int code : 20, + __BITFIELD_FIELD(unsigned int func : 6, ;))) }; struct ps_format { /* MIPS-3D / paired single format */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rs : 5, - BITFIELD_FIELD(unsigned int ft : 5, - BITFIELD_FIELD(unsigned int fs : 5, - BITFIELD_FIELD(unsigned int fd : 5, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rs : 5, + __BITFIELD_FIELD(unsigned int ft : 5, + __BITFIELD_FIELD(unsigned int fs : 5, + __BITFIELD_FIELD(unsigned int fd : 5, + __BITFIELD_FIELD(unsigned int func : 6, ;)))))) }; struct v_format { /* MDMX vector format */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int sel : 4, - BITFIELD_FIELD(unsigned int fmt : 1, - BITFIELD_FIELD(unsigned int vt : 5, - BITFIELD_FIELD(unsigned int vs : 5, - BITFIELD_FIELD(unsigned int vd : 5, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int sel : 4, + __BITFIELD_FIELD(unsigned int fmt : 1, + __BITFIELD_FIELD(unsigned int vt : 5, + __BITFIELD_FIELD(unsigned int vs : 5, + __BITFIELD_FIELD(unsigned int vd : 5, + __BITFIELD_FIELD(unsigned int func : 6, ;))))))) }; struct spec3_format { /* SPEC3 */ - BITFIELD_FIELD(unsigned int opcode:6, - BITFIELD_FIELD(unsigned int rs:5, - BITFIELD_FIELD(unsigned int rt:5, - BITFIELD_FIELD(signed int simmediate:9, - BITFIELD_FIELD(unsigned int func:7, + __BITFIELD_FIELD(unsigned int opcode:6, + __BITFIELD_FIELD(unsigned int rs:5, + __BITFIELD_FIELD(unsigned int rt:5, + __BITFIELD_FIELD(signed int simmediate:9, + __BITFIELD_FIELD(unsigned int func:7, ;))))) }; @@ -616,141 +616,141 @@ struct spec3_format { /* SPEC3 */ * if it is MIPS32 instruction re-encoded for use in the microMIPS ASE. */ struct fb_format { /* FPU branch format (MIPS32) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int bc : 5, - BITFIELD_FIELD(unsigned int cc : 3, - BITFIELD_FIELD(unsigned int flag : 2, - BITFIELD_FIELD(signed int simmediate : 16, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int bc : 5, + __BITFIELD_FIELD(unsigned int cc : 3, + __BITFIELD_FIELD(unsigned int flag : 2, + __BITFIELD_FIELD(signed int simmediate : 16, ;))))) }; struct fp0_format { /* FPU multiply and add format (MIPS32) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int fmt : 5, - BITFIELD_FIELD(unsigned int ft : 5, - BITFIELD_FIELD(unsigned int fs : 5, - BITFIELD_FIELD(unsigned int fd : 5, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int fmt : 5, + __BITFIELD_FIELD(unsigned int ft : 5, + __BITFIELD_FIELD(unsigned int fs : 5, + __BITFIELD_FIELD(unsigned int fd : 5, + __BITFIELD_FIELD(unsigned int func : 6, ;)))))) }; struct mm_fp0_format { /* FPU multipy and add format (microMIPS) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int ft : 5, - BITFIELD_FIELD(unsigned int fs : 5, - BITFIELD_FIELD(unsigned int fd : 5, - BITFIELD_FIELD(unsigned int fmt : 3, - BITFIELD_FIELD(unsigned int op : 2, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int ft : 5, + __BITFIELD_FIELD(unsigned int fs : 5, + __BITFIELD_FIELD(unsigned int fd : 5, + __BITFIELD_FIELD(unsigned int fmt : 3, + __BITFIELD_FIELD(unsigned int op : 2, + __BITFIELD_FIELD(unsigned int func : 6, ;))))))) }; struct fp1_format { /* FPU mfc1 and cfc1 format (MIPS32) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int op : 5, - BITFIELD_FIELD(unsigned int rt : 5, - BITFIELD_FIELD(unsigned int fs : 5, - BITFIELD_FIELD(unsigned int fd : 5, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int op : 5, + __BITFIELD_FIELD(unsigned int rt : 5, + __BITFIELD_FIELD(unsigned int fs : 5, + __BITFIELD_FIELD(unsigned int fd : 5, + __BITFIELD_FIELD(unsigned int func : 6, ;)))))) }; struct mm_fp1_format { /* FPU mfc1 and cfc1 format (microMIPS) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rt : 5, - BITFIELD_FIELD(unsigned int fs : 5, - BITFIELD_FIELD(unsigned int fmt : 2, - BITFIELD_FIELD(unsigned int op : 8, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rt : 5, + __BITFIELD_FIELD(unsigned int fs : 5, + __BITFIELD_FIELD(unsigned int fmt : 2, + __BITFIELD_FIELD(unsigned int op : 8, + __BITFIELD_FIELD(unsigned int func : 6, ;)))))) }; struct mm_fp2_format { /* FPU movt and movf format (microMIPS) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int fd : 5, - BITFIELD_FIELD(unsigned int fs : 5, - BITFIELD_FIELD(unsigned int cc : 3, - BITFIELD_FIELD(unsigned int zero : 2, - BITFIELD_FIELD(unsigned int fmt : 2, - BITFIELD_FIELD(unsigned int op : 3, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int fd : 5, + __BITFIELD_FIELD(unsigned int fs : 5, + __BITFIELD_FIELD(unsigned int cc : 3, + __BITFIELD_FIELD(unsigned int zero : 2, + __BITFIELD_FIELD(unsigned int fmt : 2, + __BITFIELD_FIELD(unsigned int op : 3, + __BITFIELD_FIELD(unsigned int func : 6, ;)))))))) }; struct mm_fp3_format { /* FPU abs and neg format (microMIPS) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rt : 5, - BITFIELD_FIELD(unsigned int fs : 5, - BITFIELD_FIELD(unsigned int fmt : 3, - BITFIELD_FIELD(unsigned int op : 7, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rt : 5, + __BITFIELD_FIELD(unsigned int fs : 5, + __BITFIELD_FIELD(unsigned int fmt : 3, + __BITFIELD_FIELD(unsigned int op : 7, + __BITFIELD_FIELD(unsigned int func : 6, ;)))))) }; struct mm_fp4_format { /* FPU c.cond format (microMIPS) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rt : 5, - BITFIELD_FIELD(unsigned int fs : 5, - BITFIELD_FIELD(unsigned int cc : 3, - BITFIELD_FIELD(unsigned int fmt : 3, - BITFIELD_FIELD(unsigned int cond : 4, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rt : 5, + __BITFIELD_FIELD(unsigned int fs : 5, + __BITFIELD_FIELD(unsigned int cc : 3, + __BITFIELD_FIELD(unsigned int fmt : 3, + __BITFIELD_FIELD(unsigned int cond : 4, + __BITFIELD_FIELD(unsigned int func : 6, ;))))))) }; struct mm_fp5_format { /* FPU lwxc1 and swxc1 format (microMIPS) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int index : 5, - BITFIELD_FIELD(unsigned int base : 5, - BITFIELD_FIELD(unsigned int fd : 5, - BITFIELD_FIELD(unsigned int op : 5, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int index : 5, + __BITFIELD_FIELD(unsigned int base : 5, + __BITFIELD_FIELD(unsigned int fd : 5, + __BITFIELD_FIELD(unsigned int op : 5, + __BITFIELD_FIELD(unsigned int func : 6, ;)))))) }; struct fp6_format { /* FPU madd and msub format (MIPS IV) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int fr : 5, - BITFIELD_FIELD(unsigned int ft : 5, - BITFIELD_FIELD(unsigned int fs : 5, - BITFIELD_FIELD(unsigned int fd : 5, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int fr : 5, + __BITFIELD_FIELD(unsigned int ft : 5, + __BITFIELD_FIELD(unsigned int fs : 5, + __BITFIELD_FIELD(unsigned int fd : 5, + __BITFIELD_FIELD(unsigned int func : 6, ;)))))) }; struct mm_fp6_format { /* FPU madd and msub format (microMIPS) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int ft : 5, - BITFIELD_FIELD(unsigned int fs : 5, - BITFIELD_FIELD(unsigned int fd : 5, - BITFIELD_FIELD(unsigned int fr : 5, - BITFIELD_FIELD(unsigned int func : 6, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int ft : 5, + __BITFIELD_FIELD(unsigned int fs : 5, + __BITFIELD_FIELD(unsigned int fd : 5, + __BITFIELD_FIELD(unsigned int fr : 5, + __BITFIELD_FIELD(unsigned int func : 6, ;)))))) }; struct mm_i_format { /* Immediate format (microMIPS) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rt : 5, - BITFIELD_FIELD(unsigned int rs : 5, - BITFIELD_FIELD(signed int simmediate : 16, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rt : 5, + __BITFIELD_FIELD(unsigned int rs : 5, + __BITFIELD_FIELD(signed int simmediate : 16, ;)))) }; struct mm_m_format { /* Multi-word load/store format (microMIPS) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rd : 5, - BITFIELD_FIELD(unsigned int base : 5, - BITFIELD_FIELD(unsigned int func : 4, - BITFIELD_FIELD(signed int simmediate : 12, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rd : 5, + __BITFIELD_FIELD(unsigned int base : 5, + __BITFIELD_FIELD(unsigned int func : 4, + __BITFIELD_FIELD(signed int simmediate : 12, ;))))) }; struct mm_x_format { /* Scaled indexed load format (microMIPS) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int index : 5, - BITFIELD_FIELD(unsigned int base : 5, - BITFIELD_FIELD(unsigned int rd : 5, - BITFIELD_FIELD(unsigned int func : 11, + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int index : 5, + __BITFIELD_FIELD(unsigned int base : 5, + __BITFIELD_FIELD(unsigned int rd : 5, + __BITFIELD_FIELD(unsigned int func : 11, ;))))) }; @@ -758,51 +758,51 @@ struct mm_x_format { /* Scaled indexed load format (microMIPS) */ * microMIPS instruction formats (16-bit length) */ struct mm_b0_format { /* Unconditional branch format (microMIPS) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(signed int simmediate : 10, - BITFIELD_FIELD(unsigned int : 16, /* Ignored */ + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(signed int simmediate : 10, + __BITFIELD_FIELD(unsigned int : 16, /* Ignored */ ;))) }; struct mm_b1_format { /* Conditional branch format (microMIPS) */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rs : 3, - BITFIELD_FIELD(signed int simmediate : 7, - BITFIELD_FIELD(unsigned int : 16, /* Ignored */ + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rs : 3, + __BITFIELD_FIELD(signed int simmediate : 7, + __BITFIELD_FIELD(unsigned int : 16, /* Ignored */ ;)))) }; struct mm16_m_format { /* Multi-word load/store format */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int func : 4, - BITFIELD_FIELD(unsigned int rlist : 2, - BITFIELD_FIELD(unsigned int imm : 4, - BITFIELD_FIELD(unsigned int : 16, /* Ignored */ + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int func : 4, + __BITFIELD_FIELD(unsigned int rlist : 2, + __BITFIELD_FIELD(unsigned int imm : 4, + __BITFIELD_FIELD(unsigned int : 16, /* Ignored */ ;))))) }; struct mm16_rb_format { /* Signed immediate format */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rt : 3, - BITFIELD_FIELD(unsigned int base : 3, - BITFIELD_FIELD(signed int simmediate : 4, - BITFIELD_FIELD(unsigned int : 16, /* Ignored */ + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rt : 3, + __BITFIELD_FIELD(unsigned int base : 3, + __BITFIELD_FIELD(signed int simmediate : 4, + __BITFIELD_FIELD(unsigned int : 16, /* Ignored */ ;))))) }; struct mm16_r3_format { /* Load from global pointer format */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rt : 3, - BITFIELD_FIELD(signed int simmediate : 7, - BITFIELD_FIELD(unsigned int : 16, /* Ignored */ + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rt : 3, + __BITFIELD_FIELD(signed int simmediate : 7, + __BITFIELD_FIELD(unsigned int : 16, /* Ignored */ ;)))) }; struct mm16_r5_format { /* Load/store from stack pointer format */ - BITFIELD_FIELD(unsigned int opcode : 6, - BITFIELD_FIELD(unsigned int rt : 5, - BITFIELD_FIELD(signed int simmediate : 5, - BITFIELD_FIELD(unsigned int : 16, /* Ignored */ + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rt : 5, + __BITFIELD_FIELD(signed int simmediate : 5, + __BITFIELD_FIELD(unsigned int : 16, /* Ignored */ ;)))) }; @@ -810,57 +810,57 @@ struct mm16_r5_format { /* Load/store from stack pointer format */ * MIPS16e instruction formats (16-bit length) */ struct m16e_rr { - BITFIELD_FIELD(unsigned int opcode : 5, - BITFIELD_FIELD(unsigned int rx : 3, - BITFIELD_FIELD(unsigned int nd : 1, - BITFIELD_FIELD(unsigned int l : 1, - BITFIELD_FIELD(unsigned int ra : 1, - BITFIELD_FIELD(unsigned int func : 5, + __BITFIELD_FIELD(unsigned int opcode : 5, + __BITFIELD_FIELD(unsigned int rx : 3, + __BITFIELD_FIELD(unsigned int nd : 1, + __BITFIELD_FIELD(unsigned int l : 1, + __BITFIELD_FIELD(unsigned int ra : 1, + __BITFIELD_FIELD(unsigned int func : 5, ;)))))) }; struct m16e_jal { - BITFIELD_FIELD(unsigned int opcode : 5, - BITFIELD_FIELD(unsigned int x : 1, - BITFIELD_FIELD(unsigned int imm20_16 : 5, - BITFIELD_FIELD(signed int imm25_21 : 5, + __BITFIELD_FIELD(unsigned int opcode : 5, + __BITFIELD_FIELD(unsigned int x : 1, + __BITFIELD_FIELD(unsigned int imm20_16 : 5, + __BITFIELD_FIELD(signed int imm25_21 : 5, ;)))) }; struct m16e_i64 { - BITFIELD_FIELD(unsigned int opcode : 5, - BITFIELD_FIELD(unsigned int func : 3, - BITFIELD_FIELD(unsigned int imm : 8, + __BITFIELD_FIELD(unsigned int opcode : 5, + __BITFIELD_FIELD(unsigned int func : 3, + __BITFIELD_FIELD(unsigned int imm : 8, ;))) }; struct m16e_ri64 { - BITFIELD_FIELD(unsigned int opcode : 5, - BITFIELD_FIELD(unsigned int func : 3, - BITFIELD_FIELD(unsigned int ry : 3, - BITFIELD_FIELD(unsigned int imm : 5, + __BITFIELD_FIELD(unsigned int opcode : 5, + __BITFIELD_FIELD(unsigned int func : 3, + __BITFIELD_FIELD(unsigned int ry : 3, + __BITFIELD_FIELD(unsigned int imm : 5, ;)))) }; struct m16e_ri { - BITFIELD_FIELD(unsigned int opcode : 5, - BITFIELD_FIELD(unsigned int rx : 3, - BITFIELD_FIELD(unsigned int imm : 8, + __BITFIELD_FIELD(unsigned int opcode : 5, + __BITFIELD_FIELD(unsigned int rx : 3, + __BITFIELD_FIELD(unsigned int imm : 8, ;))) }; struct m16e_rri { - BITFIELD_FIELD(unsigned int opcode : 5, - BITFIELD_FIELD(unsigned int rx : 3, - BITFIELD_FIELD(unsigned int ry : 3, - BITFIELD_FIELD(unsigned int imm : 5, + __BITFIELD_FIELD(unsigned int opcode : 5, + __BITFIELD_FIELD(unsigned int rx : 3, + __BITFIELD_FIELD(unsigned int ry : 3, + __BITFIELD_FIELD(unsigned int imm : 5, ;)))) }; struct m16e_i8 { - BITFIELD_FIELD(unsigned int opcode : 5, - BITFIELD_FIELD(unsigned int func : 3, - BITFIELD_FIELD(unsigned int imm : 8, + __BITFIELD_FIELD(unsigned int opcode : 5, + __BITFIELD_FIELD(unsigned int func : 3, + __BITFIELD_FIELD(unsigned int imm : 8, ;))) }; diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h index d6e154a..5805414 100644 --- a/arch/mips/include/uapi/asm/unistd.h +++ b/arch/mips/include/uapi/asm/unistd.h @@ -371,16 +371,17 @@ #define __NR_finit_module (__NR_Linux + 348) #define __NR_sched_setattr (__NR_Linux + 349) #define __NR_sched_getattr (__NR_Linux + 350) +#define __NR_renameat2 (__NR_Linux + 351) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 350 +#define __NR_Linux_syscalls 351 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 350 +#define __NR_O32_Linux_syscalls 351 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -699,16 +700,17 @@ #define __NR_getdents64 (__NR_Linux + 308) #define __NR_sched_setattr (__NR_Linux + 309) #define __NR_sched_getattr (__NR_Linux + 310) +#define __NR_renameat2 (__NR_Linux + 311) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 310 +#define __NR_Linux_syscalls 311 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 310 +#define __NR_64_Linux_syscalls 311 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -1031,15 +1033,16 @@ #define __NR_finit_module (__NR_Linux + 312) #define __NR_sched_setattr (__NR_Linux + 313) #define __NR_sched_getattr (__NR_Linux + 314) +#define __NR_renameat2 (__NR_Linux + 315) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 314 +#define __NR_Linux_syscalls 315 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 314 +#define __NR_N32_Linux_syscalls 315 #endif /* _UAPI_ASM_UNISTD_H */ diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c index 4d78bf4..76122ff 100644 --- a/arch/mips/kernel/branch.c +++ b/arch/mips/kernel/branch.c @@ -317,7 +317,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, if (regs->regs[insn.i_format.rs] == regs->regs[insn.i_format.rt]) { epc = epc + 4 + (insn.i_format.simmediate << 2); - if (insn.i_format.rt == beql_op) + if (insn.i_format.opcode == beql_op) ret = BRANCH_LIKELY_TAKEN; } else epc += 8; @@ -329,7 +329,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, if (regs->regs[insn.i_format.rs] != regs->regs[insn.i_format.rt]) { epc = epc + 4 + (insn.i_format.simmediate << 2); - if (insn.i_format.rt == bnel_op) + if (insn.i_format.opcode == bnel_op) ret = BRANCH_LIKELY_TAKEN; } else epc += 8; @@ -341,7 +341,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, /* rt field assumed to be zero */ if ((long)regs->regs[insn.i_format.rs] <= 0) { epc = epc + 4 + (insn.i_format.simmediate << 2); - if (insn.i_format.rt == bnel_op) + if (insn.i_format.opcode == blezl_op) ret = BRANCH_LIKELY_TAKEN; } else epc += 8; @@ -353,7 +353,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, /* rt field assumed to be zero */ if ((long)regs->regs[insn.i_format.rs] > 0) { epc = epc + 4 + (insn.i_format.simmediate << 2); - if (insn.i_format.rt == bnel_op) + if (insn.i_format.opcode == bgtzl_op) ret = BRANCH_LIKELY_TAKEN; } else epc += 8; diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index e40971b..037a44d 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -124,14 +124,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, "kscratch registers\t: %d\n", hweight8(cpu_data[n].kscratch_mask)); seq_printf(m, "core\t\t\t: %d\n", cpu_data[n].core); -#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_MIPS_MT_SMTC) - if (cpu_has_mipsmt) { - seq_printf(m, "VPE\t\t\t: %d\n", cpu_data[n].vpe_id); -#if defined(CONFIG_MIPS_MT_SMTC) - seq_printf(m, "TC\t\t\t: %d\n", cpu_data[n].tc_id); -#endif - } -#endif + sprintf(fmt, "VCE%%c exceptions\t\t: %s\n", cpu_has_vce ? "%u" : "not available"); seq_printf(m, fmt, 'D', vced_count); diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 71f85f4..f639ccd 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -163,7 +163,7 @@ int ptrace_get_watch_regs(struct task_struct *child, enum pt_watch_style style; int i; - if (!cpu_has_watch || current_cpu_data.watch_reg_use_cnt == 0) + if (!cpu_has_watch || boot_cpu_data.watch_reg_use_cnt == 0) return -EIO; if (!access_ok(VERIFY_WRITE, addr, sizeof(struct pt_watch_regs))) return -EIO; @@ -177,14 +177,14 @@ int ptrace_get_watch_regs(struct task_struct *child, #endif __put_user(style, &addr->style); - __put_user(current_cpu_data.watch_reg_use_cnt, + __put_user(boot_cpu_data.watch_reg_use_cnt, &addr->WATCH_STYLE.num_valid); - for (i = 0; i < current_cpu_data.watch_reg_use_cnt; i++) { + for (i = 0; i < boot_cpu_data.watch_reg_use_cnt; i++) { __put_user(child->thread.watch.mips3264.watchlo[i], &addr->WATCH_STYLE.watchlo[i]); __put_user(child->thread.watch.mips3264.watchhi[i] & 0xfff, &addr->WATCH_STYLE.watchhi[i]); - __put_user(current_cpu_data.watch_reg_masks[i], + __put_user(boot_cpu_data.watch_reg_masks[i], &addr->WATCH_STYLE.watch_masks[i]); } for (; i < 8; i++) { @@ -204,12 +204,12 @@ int ptrace_set_watch_regs(struct task_struct *child, unsigned long lt[NUM_WATCH_REGS]; u16 ht[NUM_WATCH_REGS]; - if (!cpu_has_watch || current_cpu_data.watch_reg_use_cnt == 0) + if (!cpu_has_watch || boot_cpu_data.watch_reg_use_cnt == 0) return -EIO; if (!access_ok(VERIFY_READ, addr, sizeof(struct pt_watch_regs))) return -EIO; /* Check the values. */ - for (i = 0; i < current_cpu_data.watch_reg_use_cnt; i++) { + for (i = 0; i < boot_cpu_data.watch_reg_use_cnt; i++) { __get_user(lt[i], &addr->WATCH_STYLE.watchlo[i]); #ifdef CONFIG_32BIT if (lt[i] & __UA_LIMIT) @@ -228,7 +228,7 @@ int ptrace_set_watch_regs(struct task_struct *child, return -EINVAL; } /* Install them. */ - for (i = 0; i < current_cpu_data.watch_reg_use_cnt; i++) { + for (i = 0; i < boot_cpu_data.watch_reg_use_cnt; i++) { if (lt[i] & 7) watch_active = 1; child->thread.watch.mips3264.watchlo[i] = lt[i]; diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index fdc70b4..3245474 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -577,3 +577,4 @@ EXPORT(sys_call_table) PTR sys_finit_module PTR sys_sched_setattr PTR sys_sched_getattr /* 4350 */ + PTR sys_renameat2 diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index dd99c328..be2fedd 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -430,4 +430,5 @@ EXPORT(sys_call_table) PTR sys_getdents64 PTR sys_sched_setattr PTR sys_sched_getattr /* 5310 */ + PTR sys_renameat2 .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index f68d2f4..c1dbcda 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -423,4 +423,5 @@ EXPORT(sysn32_call_table) PTR sys_finit_module PTR sys_sched_setattr PTR sys_sched_getattr + PTR sys_renameat2 /* 6315 */ .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 70f6ace..f1343cc 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -556,4 +556,5 @@ EXPORT(sys32_call_table) PTR sys_finit_module PTR sys_sched_setattr PTR sys_sched_getattr /* 4350 */ + PTR sys_renameat2 .size sys32_call_table,.-sys32_call_table diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 074e857..8119ac2 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1545,7 +1545,7 @@ asmlinkage void cache_parity_error(void) reg_val & (1<<30) ? "secondary" : "primary", reg_val & (1<<31) ? "data" : "insn"); if (cpu_has_mips_r2 && - ((current_cpu_data.processor_id && 0xff0000) == PRID_COMP_MIPS)) { + ((current_cpu_data.processor_id & 0xff0000) == PRID_COMP_MIPS)) { pr_err("Error bits: %s%s%s%s%s%s%s%s\n", reg_val & (1<<29) ? "ED " : "", reg_val & (1<<28) ? "ET " : "", @@ -1585,7 +1585,7 @@ asmlinkage void do_ftlb(void) /* For the moment, report the problem and hang. */ if (cpu_has_mips_r2 && - ((current_cpu_data.processor_id && 0xff0000) == PRID_COMP_MIPS)) { + ((current_cpu_data.processor_id & 0xff0000) == PRID_COMP_MIPS)) { pr_err("FTLB error exception, cp0_ecc=0x%08x:\n", read_c0_ecc()); pr_err("cp0_errorepc == %0*lx\n", field, read_c0_errorepc()); diff --git a/arch/mips/lantiq/dts/easy50712.dts b/arch/mips/lantiq/dts/easy50712.dts index fac1f5b..143b8a3 100644 --- a/arch/mips/lantiq/dts/easy50712.dts +++ b/arch/mips/lantiq/dts/easy50712.dts @@ -8,6 +8,7 @@ }; memory@0 { + device_type = "memory"; reg = <0x0 0x2000000>; }; diff --git a/arch/mips/lib/csum_partial.S b/arch/mips/lib/csum_partial.S index 2e4825e..9901237 100644 --- a/arch/mips/lib/csum_partial.S +++ b/arch/mips/lib/csum_partial.S @@ -56,14 +56,20 @@ #define UNIT(unit) ((unit)*NBYTES) #define ADDC(sum,reg) \ + .set push; \ + .set noat; \ ADD sum, reg; \ sltu v1, sum, reg; \ ADD sum, v1; \ + .set pop #define ADDC32(sum,reg) \ + .set push; \ + .set noat; \ addu sum, reg; \ sltu v1, sum, reg; \ addu sum, v1; \ + .set pop #define CSUM_BIGCHUNK1(src, offset, sum, _t0, _t1, _t2, _t3) \ LOAD _t0, (offset + UNIT(0))(src); \ @@ -710,6 +716,8 @@ LEAF(csum_partial) ADDC(sum, t2) .Ldone\@: /* fold checksum */ + .set push + .set noat #ifdef USE_DOUBLE dsll32 v1, sum, 0 daddu sum, v1 @@ -732,6 +740,7 @@ LEAF(csum_partial) or sum, sum, t0 1: #endif + .set pop .set reorder ADDC32(sum, psum) jr ra diff --git a/arch/mips/lib/delay.c b/arch/mips/lib/delay.c index 44713af..705cfb7 100644 --- a/arch/mips/lib/delay.c +++ b/arch/mips/lib/delay.c @@ -6,7 +6,7 @@ * Copyright (C) 1994 by Waldorf Electronics * Copyright (C) 1995 - 2000, 01, 03 by Ralf Baechle * Copyright (C) 1999, 2000 Silicon Graphics, Inc. - * Copyright (C) 2007 Maciej W. Rozycki + * Copyright (C) 2007, 2014 Maciej W. Rozycki */ #include <linux/module.h> #include <linux/param.h> @@ -15,6 +15,12 @@ #include <asm/compiler.h> #include <asm/war.h> +#ifndef CONFIG_CPU_DADDI_WORKAROUNDS +#define GCC_DADDI_IMM_ASM() "I" +#else +#define GCC_DADDI_IMM_ASM() "r" +#endif + void __delay(unsigned long loops) { __asm__ __volatile__ ( @@ -22,13 +28,13 @@ void __delay(unsigned long loops) " .align 3 \n" "1: bnez %0, 1b \n" #if BITS_PER_LONG == 32 - " subu %0, 1 \n" + " subu %0, %1 \n" #else - " dsubu %0, 1 \n" + " dsubu %0, %1 \n" #endif " .set reorder \n" : "=r" (loops) - : "0" (loops)); + : GCC_DADDI_IMM_ASM() (1), "0" (loops)); } EXPORT_SYMBOL(__delay); diff --git a/arch/mips/lib/strncpy_user.S b/arch/mips/lib/strncpy_user.S index d3301cd..3c32baf 100644 --- a/arch/mips/lib/strncpy_user.S +++ b/arch/mips/lib/strncpy_user.S @@ -35,7 +35,6 @@ LEAF(__strncpy_from_\func\()_asm) bnez v0, .Lfault\@ FEXPORT(__strncpy_from_\func\()_nocheck_asm) - .set noreorder move t0, zero move v1, a1 .ifeqs "\func","kernel" @@ -45,21 +44,21 @@ FEXPORT(__strncpy_from_\func\()_nocheck_asm) .endif PTR_ADDIU v1, 1 R10KCBARRIER(0(ra)) + sb v0, (a0) beqz v0, 2f - sb v0, (a0) PTR_ADDIU t0, 1 + PTR_ADDIU a0, 1 bne t0, a2, 1b - PTR_ADDIU a0, 1 2: PTR_ADDU v0, a1, t0 xor v0, a1 bltz v0, .Lfault\@ - nop + move v0, t0 jr ra # return n - move v0, t0 END(__strncpy_from_\func\()_asm) -.Lfault\@: jr ra - li v0, -EFAULT +.Lfault\@: + li v0, -EFAULT + jr ra .section __ex_table,"a" PTR 1b, .Lfault\@ diff --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig index 7397be2..603d79a 100644 --- a/arch/mips/loongson/Kconfig +++ b/arch/mips/loongson/Kconfig @@ -64,7 +64,6 @@ config LEMOTE_MACH3A bool "Lemote Loongson 3A family machines" select ARCH_SPARSEMEM_ENABLE select GENERIC_ISA_DMA_SUPPORT_BROKEN - select GENERIC_HARDIRQS_NO__DO_IRQ select BOOT_ELF32 select BOARD_SCACHE select CSRC_R4K diff --git a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c index c639b9d..12c75db 100644 --- a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c +++ b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c @@ -27,8 +27,7 @@ #include <cs5536/cs5536_mfgpt.h> -DEFINE_SPINLOCK(mfgpt_lock); -EXPORT_SYMBOL(mfgpt_lock); +static DEFINE_RAW_SPINLOCK(mfgpt_lock); static u32 mfgpt_base; @@ -55,7 +54,7 @@ EXPORT_SYMBOL(enable_mfgpt0_counter); static void init_mfgpt_timer(enum clock_event_mode mode, struct clock_event_device *evt) { - spin_lock(&mfgpt_lock); + raw_spin_lock(&mfgpt_lock); switch (mode) { case CLOCK_EVT_MODE_PERIODIC: @@ -79,7 +78,7 @@ static void init_mfgpt_timer(enum clock_event_mode mode, /* Nothing to do here */ break; } - spin_unlock(&mfgpt_lock); + raw_spin_unlock(&mfgpt_lock); } static struct clock_event_device mfgpt_clockevent = { @@ -157,7 +156,7 @@ static cycle_t mfgpt_read(struct clocksource *cs) static int old_count; static u32 old_jifs; - spin_lock_irqsave(&mfgpt_lock, flags); + raw_spin_lock_irqsave(&mfgpt_lock, flags); /* * Although our caller may have the read side of xtime_lock, * this is now a seqlock, and we are cheating in this routine @@ -191,7 +190,7 @@ static cycle_t mfgpt_read(struct clocksource *cs) old_count = count; old_jifs = jifs; - spin_unlock_irqrestore(&mfgpt_lock, flags); + raw_spin_unlock_irqrestore(&mfgpt_lock, flags); return (cycle_t) (jifs * COMPARE) + count; } diff --git a/arch/mips/loongson/lemote-2f/clock.c b/arch/mips/loongson/lemote-2f/clock.c index e1f427f..67dd94e 100644 --- a/arch/mips/loongson/lemote-2f/clock.c +++ b/arch/mips/loongson/lemote-2f/clock.c @@ -91,6 +91,7 @@ EXPORT_SYMBOL(clk_put); int clk_set_rate(struct clk *clk, unsigned long rate) { + unsigned int rate_khz = rate / 1000; int ret = 0; int regval; int i; @@ -111,10 +112,10 @@ int clk_set_rate(struct clk *clk, unsigned long rate) if (loongson2_clockmod_table[i].frequency == CPUFREQ_ENTRY_INVALID) continue; - if (rate == loongson2_clockmod_table[i].frequency) + if (rate_khz == loongson2_clockmod_table[i].frequency) break; } - if (rate != loongson2_clockmod_table[i].frequency) + if (rate_khz != loongson2_clockmod_table[i].frequency) return -ENOTSUPP; clk->rate = rate; diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c index 58033c4..b611102 100644 --- a/arch/mips/mm/page.c +++ b/arch/mips/mm/page.c @@ -273,7 +273,7 @@ void build_clear_page(void) uasm_i_ori(&buf, A2, A0, off); if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) - uasm_i_lui(&buf, AT, 0xa000); + uasm_i_lui(&buf, AT, uasm_rel_hi(0xa0000000)); off = cache_line_size ? min(8, pref_bias_clear_store / cache_line_size) * cache_line_size : 0; @@ -424,7 +424,7 @@ void build_copy_page(void) uasm_i_ori(&buf, A2, A0, off); if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) - uasm_i_lui(&buf, AT, 0xa000); + uasm_i_lui(&buf, AT, uasm_rel_hi(0xa0000000)); off = cache_line_size ? min(8, pref_bias_copy_load / cache_line_size) * cache_line_size : 0; diff --git a/arch/mips/mm/tlb-funcs.S b/arch/mips/mm/tlb-funcs.S index 30a494d..a5427c6 100644 --- a/arch/mips/mm/tlb-funcs.S +++ b/arch/mips/mm/tlb-funcs.S @@ -16,8 +16,10 @@ #define FASTPATH_SIZE 128 +EXPORT(tlbmiss_handler_setup_pgd_start) LEAF(tlbmiss_handler_setup_pgd) - .space 16 * 4 +1: j 1b /* Dummy, will be replaced. */ + .space 64 END(tlbmiss_handler_setup_pgd) EXPORT(tlbmiss_handler_setup_pgd_end) diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index ee88367..f99ec587 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -1422,16 +1422,17 @@ static void build_r4000_tlb_refill_handler(void) extern u32 handle_tlbl[], handle_tlbl_end[]; extern u32 handle_tlbs[], handle_tlbs_end[]; extern u32 handle_tlbm[], handle_tlbm_end[]; -extern u32 tlbmiss_handler_setup_pgd[], tlbmiss_handler_setup_pgd_end[]; +extern u32 tlbmiss_handler_setup_pgd_start[], tlbmiss_handler_setup_pgd[]; +extern u32 tlbmiss_handler_setup_pgd_end[]; static void build_setup_pgd(void) { const int a0 = 4; const int __maybe_unused a1 = 5; const int __maybe_unused a2 = 6; - u32 *p = tlbmiss_handler_setup_pgd; + u32 *p = tlbmiss_handler_setup_pgd_start; const int tlbmiss_handler_setup_pgd_size = - tlbmiss_handler_setup_pgd_end - tlbmiss_handler_setup_pgd; + tlbmiss_handler_setup_pgd_end - tlbmiss_handler_setup_pgd_start; #ifndef CONFIG_MIPS_PGD_C0_CONTEXT long pgdc = (long)pgd_current; #endif diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c index 6d0f4ab..f2364e4 100644 --- a/arch/mips/mti-malta/malta-memory.c +++ b/arch/mips/mti-malta/malta-memory.c @@ -27,7 +27,7 @@ unsigned long physical_memsize = 0L; fw_memblock_t * __init fw_getmdesc(int eva) { char *memsize_str, *ememsize_str __maybe_unused = NULL, *ptr; - unsigned long memsize, ememsize __maybe_unused = 0; + unsigned long memsize = 0, ememsize __maybe_unused = 0; static char cmdline[COMMAND_LINE_SIZE] __initdata; int tmp; diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c index b128cb9..7f6ce6d 100644 --- a/arch/mips/pci/pci-rc32434.c +++ b/arch/mips/pci/pci-rc32434.c @@ -53,7 +53,6 @@ static struct resource rc32434_res_pci_mem1 = { .start = 0x50000000, .end = 0x5FFFFFFF, .flags = IORESOURCE_MEM, - .parent = &rc32434_res_pci_mem1, .sibling = NULL, .child = &rc32434_res_pci_mem2 }; diff --git a/arch/mips/ralink/dts/mt7620a_eval.dts b/arch/mips/ralink/dts/mt7620a_eval.dts index 35eb874..709f581 100644 --- a/arch/mips/ralink/dts/mt7620a_eval.dts +++ b/arch/mips/ralink/dts/mt7620a_eval.dts @@ -7,6 +7,7 @@ model = "Ralink MT7620A evaluation board"; memory@0 { + device_type = "memory"; reg = <0x0 0x2000000>; }; diff --git a/arch/mips/ralink/dts/rt2880_eval.dts b/arch/mips/ralink/dts/rt2880_eval.dts index 322d700..0a685db 100644 --- a/arch/mips/ralink/dts/rt2880_eval.dts +++ b/arch/mips/ralink/dts/rt2880_eval.dts @@ -7,6 +7,7 @@ model = "Ralink RT2880 evaluation board"; memory@0 { + device_type = "memory"; reg = <0x8000000 0x2000000>; }; diff --git a/arch/mips/ralink/dts/rt3052_eval.dts b/arch/mips/ralink/dts/rt3052_eval.dts index 0ac73ea..ec9e9a0 100644 --- a/arch/mips/ralink/dts/rt3052_eval.dts +++ b/arch/mips/ralink/dts/rt3052_eval.dts @@ -7,6 +7,7 @@ model = "Ralink RT3052 evaluation board"; memory@0 { + device_type = "memory"; reg = <0x0 0x2000000>; }; diff --git a/arch/mips/ralink/dts/rt3883_eval.dts b/arch/mips/ralink/dts/rt3883_eval.dts index 2fa6b33..e8df21a 100644 --- a/arch/mips/ralink/dts/rt3883_eval.dts +++ b/arch/mips/ralink/dts/rt3883_eval.dts @@ -7,6 +7,7 @@ model = "Ralink RT3883 evaluation board"; memory@0 { + device_type = "memory"; reg = <0x0 0x2000000>; }; diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 1faefed..108d48e 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -22,6 +22,7 @@ config PARISC select GENERIC_SMP_IDLE_THREAD select GENERIC_STRNCPY_FROM_USER select SYSCTL_ARCH_UNALIGN_ALLOW + select SYSCTL_EXCEPTION_TRACE select HAVE_MOD_ARCH_SPECIFIC select VIRT_TO_BUS select MODULES_USE_ELF_RELA diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h index 198a86f..d951c96 100644 --- a/arch/parisc/include/asm/processor.h +++ b/arch/parisc/include/asm/processor.h @@ -55,6 +55,11 @@ #define STACK_TOP TASK_SIZE #define STACK_TOP_MAX DEFAULT_TASK_SIZE +/* Allow bigger stacks for 64-bit processes */ +#define STACK_SIZE_MAX (USER_WIDE_MODE \ + ? (1 << 30) /* 1 GB */ \ + : (CONFIG_MAX_STACK_SIZE_MB*1024*1024)) + #endif #ifndef __ASSEMBLY__ diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h index 265ae51..47e0e21 100644 --- a/arch/parisc/include/uapi/asm/unistd.h +++ b/arch/parisc/include/uapi/asm/unistd.h @@ -829,8 +829,9 @@ #define __NR_sched_setattr (__NR_Linux + 334) #define __NR_sched_getattr (__NR_Linux + 335) #define __NR_utimes (__NR_Linux + 336) +#define __NR_renameat2 (__NR_Linux + 337) -#define __NR_Linux_syscalls (__NR_utimes + 1) +#define __NR_Linux_syscalls (__NR_renameat2 + 1) #define __IGNORE_select /* newselect */ diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c index 31ffa9b..e1ffea2 100644 --- a/arch/parisc/kernel/sys_parisc.c +++ b/arch/parisc/kernel/sys_parisc.c @@ -72,10 +72,10 @@ static unsigned long mmap_upper_limit(void) { unsigned long stack_base; - /* Limit stack size to 1GB - see setup_arg_pages() in fs/exec.c */ + /* Limit stack size - see setup_arg_pages() in fs/exec.c */ stack_base = rlimit_max(RLIMIT_STACK); - if (stack_base > (1 << 30)) - stack_base = 1 << 30; + if (stack_base > STACK_SIZE_MAX) + stack_base = STACK_SIZE_MAX; return PAGE_ALIGN(STACK_TOP - stack_base); } diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index a63bb179..8387860 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -589,10 +589,13 @@ cas_nocontend: # endif /* ENABLE_LWS_DEBUG */ + rsm PSW_SM_I, %r0 /* Disable interrupts */ + /* COW breaks can cause contention on UP systems */ LDCW 0(%sr2,%r20), %r28 /* Try to acquire the lock */ cmpb,<>,n %r0, %r28, cas_action /* Did we get it? */ cas_wouldblock: ldo 2(%r0), %r28 /* 2nd case */ + ssm PSW_SM_I, %r0 b lws_exit /* Contended... */ ldo -EAGAIN(%r0), %r21 /* Spin in userspace */ @@ -619,15 +622,17 @@ cas_action: stw %r1, 4(%sr2,%r20) #endif /* The load and store could fail */ -1: ldw 0(%sr3,%r26), %r28 +1: ldw,ma 0(%sr3,%r26), %r28 sub,<> %r28, %r25, %r0 -2: stw %r24, 0(%sr3,%r26) +2: stw,ma %r24, 0(%sr3,%r26) /* Free lock */ - stw %r20, 0(%sr2,%r20) + stw,ma %r20, 0(%sr2,%r20) #if ENABLE_LWS_DEBUG /* Clear thread register indicator */ stw %r0, 4(%sr2,%r20) #endif + /* Enable interrupts */ + ssm PSW_SM_I, %r0 /* Return to userspace, set no error */ b lws_exit copy %r0, %r21 @@ -639,6 +644,7 @@ cas_action: #if ENABLE_LWS_DEBUG stw %r0, 4(%sr2,%r20) #endif + ssm PSW_SM_I, %r0 b lws_exit ldo -EFAULT(%r0),%r21 /* set errno */ nop diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index 83ead0e..c5fa7a6 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -432,6 +432,7 @@ ENTRY_SAME(sched_setattr) ENTRY_SAME(sched_getattr) /* 335 */ ENTRY_COMP(utimes) + ENTRY_SAME(renameat2) /* Nothing yet */ diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 1cd1d0c..47ee620 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -25,6 +25,7 @@ #include <linux/interrupt.h> #include <linux/console.h> #include <linux/bug.h> +#include <linux/ratelimit.h> #include <asm/assembly.h> #include <asm/uaccess.h> @@ -42,9 +43,6 @@ #include "../math-emu/math-emu.h" /* for handle_fpe() */ -#define PRINT_USER_FAULTS /* (turn this on if you want user faults to be */ - /* dumped to the console via printk) */ - #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) DEFINE_SPINLOCK(pa_dbit_lock); #endif @@ -160,6 +158,17 @@ void show_regs(struct pt_regs *regs) } } +static DEFINE_RATELIMIT_STATE(_hppa_rs, + DEFAULT_RATELIMIT_INTERVAL, DEFAULT_RATELIMIT_BURST); + +#define parisc_printk_ratelimited(critical, regs, fmt, ...) { \ + if ((critical || show_unhandled_signals) && __ratelimit(&_hppa_rs)) { \ + printk(fmt, ##__VA_ARGS__); \ + show_regs(regs); \ + } \ +} + + static void do_show_stack(struct unwind_frame_info *info) { int i = 1; @@ -229,12 +238,10 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err) if (err == 0) return; /* STFU */ - printk(KERN_CRIT "%s (pid %d): %s (code %ld) at " RFMT "\n", + parisc_printk_ratelimited(1, regs, + KERN_CRIT "%s (pid %d): %s (code %ld) at " RFMT "\n", current->comm, task_pid_nr(current), str, err, regs->iaoq[0]); -#ifdef PRINT_USER_FAULTS - /* XXX for debugging only */ - show_regs(regs); -#endif + return; } @@ -321,14 +328,11 @@ static void handle_break(struct pt_regs *regs) (tt == BUG_TRAP_TYPE_NONE) ? 9 : 0); } -#ifdef PRINT_USER_FAULTS - if (unlikely(iir != GDB_BREAK_INSN)) { - printk(KERN_DEBUG "break %d,%d: pid=%d command='%s'\n", + if (unlikely(iir != GDB_BREAK_INSN)) + parisc_printk_ratelimited(0, regs, + KERN_DEBUG "break %d,%d: pid=%d command='%s'\n", iir & 31, (iir>>13) & ((1<<13)-1), task_pid_nr(current), current->comm); - show_regs(regs); - } -#endif /* send standard GDB signal */ handle_gdb_break(regs, TRAP_BRKPT); @@ -758,11 +762,9 @@ void notrace handle_interruption(int code, struct pt_regs *regs) default: if (user_mode(regs)) { -#ifdef PRINT_USER_FAULTS - printk(KERN_DEBUG "\nhandle_interruption() pid=%d command='%s'\n", - task_pid_nr(current), current->comm); - show_regs(regs); -#endif + parisc_printk_ratelimited(0, regs, KERN_DEBUG + "handle_interruption() pid=%d command='%s'\n", + task_pid_nr(current), current->comm); /* SIGBUS, for lack of a better one. */ si.si_signo = SIGBUS; si.si_code = BUS_OBJERR; @@ -779,16 +781,10 @@ void notrace handle_interruption(int code, struct pt_regs *regs) if (user_mode(regs)) { if ((fault_space >> SPACEID_SHIFT) != (regs->sr[7] >> SPACEID_SHIFT)) { -#ifdef PRINT_USER_FAULTS - if (fault_space == 0) - printk(KERN_DEBUG "User Fault on Kernel Space "); - else - printk(KERN_DEBUG "User Fault (long pointer) (fault %d) ", - code); - printk(KERN_CONT "pid=%d command='%s'\n", - task_pid_nr(current), current->comm); - show_regs(regs); -#endif + parisc_printk_ratelimited(0, regs, KERN_DEBUG + "User fault %d on space 0x%08lx, pid=%d command='%s'\n", + code, fault_space, + task_pid_nr(current), current->comm); si.si_signo = SIGSEGV; si.si_errno = 0; si.si_code = SEGV_MAPERR; diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index 7475507..3ca9c11 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -19,10 +19,6 @@ #include <asm/uaccess.h> #include <asm/traps.h> -#define PRINT_USER_FAULTS /* (turn this on if you want user faults to be */ - /* dumped to the console via printk) */ - - /* Various important other fields */ #define bit22set(x) (x & 0x00000200) #define bits23_25set(x) (x & 0x000001c0) @@ -34,6 +30,8 @@ DEFINE_PER_CPU(struct exception_data, exception_data); +int show_unhandled_signals = 1; + /* * parisc_acctyp(unsigned int inst) -- * Given a PA-RISC memory access instruction, determine if the @@ -173,6 +171,32 @@ int fixup_exception(struct pt_regs *regs) return 0; } +/* + * Print out info about fatal segfaults, if the show_unhandled_signals + * sysctl is set: + */ +static inline void +show_signal_msg(struct pt_regs *regs, unsigned long code, + unsigned long address, struct task_struct *tsk, + struct vm_area_struct *vma) +{ + if (!unhandled_signal(tsk, SIGSEGV)) + return; + + if (!printk_ratelimit()) + return; + + pr_warn("\n"); + pr_warn("do_page_fault() command='%s' type=%lu address=0x%08lx", + tsk->comm, code, address); + print_vma_addr(KERN_CONT " in ", regs->iaoq[0]); + if (vma) + pr_warn(" vm_start = 0x%08lx, vm_end = 0x%08lx\n", + vma->vm_start, vma->vm_end); + + show_regs(regs); +} + void do_page_fault(struct pt_regs *regs, unsigned long code, unsigned long address) { @@ -270,16 +294,8 @@ bad_area: if (user_mode(regs)) { struct siginfo si; -#ifdef PRINT_USER_FAULTS - printk(KERN_DEBUG "\n"); - printk(KERN_DEBUG "do_page_fault() pid=%d command='%s' type=%lu address=0x%08lx\n", - task_pid_nr(tsk), tsk->comm, code, address); - if (vma) { - printk(KERN_DEBUG "vm_start = 0x%08lx, vm_end = 0x%08lx\n", - vma->vm_start, vma->vm_end); - } - show_regs(regs); -#endif + show_signal_msg(regs, code, address, tsk, vma); + switch (code) { case 15: /* Data TLB miss fault/Data page fault */ /* send SIGSEGV when outside of vma */ diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 4c0cedf..ce4c68a 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -150,7 +150,9 @@ endif CFLAGS-$(CONFIG_TUNE_CELL) += $(call cc-option,-mtune=cell) -KBUILD_CPPFLAGS += -Iarch/$(ARCH) +asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1) + +KBUILD_CPPFLAGS += -Iarch/$(ARCH) $(asinstr) KBUILD_AFLAGS += -Iarch/$(ARCH) KBUILD_CFLAGS += -msoft-float -pipe -Iarch/$(ARCH) $(CFLAGS-y) CPP = $(CC) -E $(KBUILD_CFLAGS) diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index 6586a40..cded7c1 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -318,11 +318,16 @@ n: addi reg,reg,(name - 0b)@l; #ifdef __powerpc64__ +#ifdef HAVE_AS_ATHIGH +#define __AS_ATHIGH high +#else +#define __AS_ATHIGH h +#endif #define LOAD_REG_IMMEDIATE(reg,expr) \ lis reg,(expr)@highest; \ ori reg,reg,(expr)@higher; \ rldicr reg,reg,32,31; \ - oris reg,reg,(expr)@h; \ + oris reg,reg,(expr)@__AS_ATHIGH; \ ori reg,reg,(expr)@l; #define LOAD_REG_ADDR(reg,name) \ diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h index d0e784e..5217903 100644 --- a/arch/powerpc/include/asm/sections.h +++ b/arch/powerpc/include/asm/sections.h @@ -39,6 +39,17 @@ static inline int overlaps_kernel_text(unsigned long start, unsigned long end) (unsigned long)_stext < end; } +static inline int overlaps_kvm_tmp(unsigned long start, unsigned long end) +{ +#ifdef CONFIG_KVM_GUEST + extern char kvm_tmp[]; + return start < (unsigned long)kvm_tmp && + (unsigned long)&kvm_tmp[1024 * 1024] < end; +#else + return 0; +#endif +} + #undef dereference_function_descriptor static inline void *dereference_function_descriptor(void *ptr) { diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index 3ddf702..ea4dc3a 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -361,3 +361,4 @@ SYSCALL(finit_module) SYSCALL(ni_syscall) /* sys_kcmp */ SYSCALL_SPU(sched_setattr) SYSCALL_SPU(sched_getattr) +SYSCALL_SPU(renameat2) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index 4494f02..9b892bb 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -12,7 +12,7 @@ #include <uapi/asm/unistd.h> -#define __NR_syscalls 357 +#define __NR_syscalls 358 #define __NR__exit __NR_exit #define NR_syscalls __NR_syscalls diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h index 881bf2e..2d526f7 100644 --- a/arch/powerpc/include/uapi/asm/unistd.h +++ b/arch/powerpc/include/uapi/asm/unistd.h @@ -379,5 +379,6 @@ #define __NR_kcmp 354 #define __NR_sched_setattr 355 #define __NR_sched_getattr 356 +#define __NR_renameat2 357 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */ diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c index 6a01752..dd8695f 100644 --- a/arch/powerpc/kernel/kvm.c +++ b/arch/powerpc/kernel/kvm.c @@ -74,7 +74,7 @@ #define KVM_INST_MTSRIN 0x7c0001e4 static bool kvm_patching_worked = true; -static char kvm_tmp[1024 * 1024]; +char kvm_tmp[1024 * 1024]; static int kvm_tmp_index; static inline void kvm_patch_ins(u32 *inst, u32 new_inst) diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index 59d229a..879b3aa 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -237,7 +237,7 @@ static void wake_offline_cpus(void) if (!cpu_online(cpu)) { printk(KERN_INFO "kexec: Waking offline cpu %d.\n", cpu); - cpu_up(cpu); + WARN_ON(cpu_up(cpu)); } } } diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 122a580..7e711bd 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -813,9 +813,6 @@ static void __init clocksource_init(void) static int decrementer_set_next_event(unsigned long evt, struct clock_event_device *dev) { - /* Don't adjust the decrementer if some irq work is pending */ - if (test_irq_work_pending()) - return 0; __get_cpu_var(decrementers_next_tb) = get_tb_or_rtc() + evt; set_dec(evt); diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 94e597e..7af190a 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -886,7 +886,7 @@ static int kvmppc_book3s_init(void) r = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE); if (r) return r; -#ifdef CONFIG_KVM_BOOK3S_32 +#ifdef CONFIG_KVM_BOOK3S_32_HANDLER r = kvmppc_book3s_init_pr(); #endif return r; @@ -895,7 +895,7 @@ static int kvmppc_book3s_init(void) static void kvmppc_book3s_exit(void) { -#ifdef CONFIG_KVM_BOOK3S_32 +#ifdef CONFIG_KVM_BOOK3S_32_HANDLER kvmppc_book3s_exit_pr(); #endif kvm_exit(); @@ -905,7 +905,7 @@ module_init(kvmppc_book3s_init); module_exit(kvmppc_book3s_exit); /* On 32bit this is our one and only kernel module */ -#ifdef CONFIG_KVM_BOOK3S_32 +#ifdef CONFIG_KVM_BOOK3S_32_HANDLER MODULE_ALIAS_MISCDEV(KVM_MINOR); MODULE_ALIAS("devname:kvm"); #endif diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c index 1d6c56a..8fcc363 100644 --- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c +++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c @@ -234,7 +234,7 @@ long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags, pte_size = psize; pte = lookup_linux_pte_and_update(pgdir, hva, writing, &pte_size); - if (pte_present(pte)) { + if (pte_present(pte) && !pte_numa(pte)) { if (writing && !pte_write(pte)) /* make the actual HPTE be read-only */ ptel = hpte_make_readonly(ptel); diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index b031f93..07c8b5b 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -1323,6 +1323,110 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206) mr r3, r9 bl kvmppc_save_fp +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM +BEGIN_FTR_SECTION + b 2f +END_FTR_SECTION_IFCLR(CPU_FTR_TM) + /* Turn on TM. */ + mfmsr r8 + li r0, 1 + rldimi r8, r0, MSR_TM_LG, 63-MSR_TM_LG + mtmsrd r8 + + ld r5, VCPU_MSR(r9) + rldicl. r5, r5, 64 - MSR_TS_S_LG, 62 + beq 1f /* TM not active in guest. */ + + li r3, TM_CAUSE_KVM_RESCHED + + /* Clear the MSR RI since r1, r13 are all going to be foobar. */ + li r5, 0 + mtmsrd r5, 1 + + /* All GPRs are volatile at this point. */ + TRECLAIM(R3) + + /* Temporarily store r13 and r9 so we have some regs to play with */ + SET_SCRATCH0(r13) + GET_PACA(r13) + std r9, PACATMSCRATCH(r13) + ld r9, HSTATE_KVM_VCPU(r13) + + /* Get a few more GPRs free. */ + std r29, VCPU_GPRS_TM(29)(r9) + std r30, VCPU_GPRS_TM(30)(r9) + std r31, VCPU_GPRS_TM(31)(r9) + + /* Save away PPR and DSCR soon so don't run with user values. */ + mfspr r31, SPRN_PPR + HMT_MEDIUM + mfspr r30, SPRN_DSCR + ld r29, HSTATE_DSCR(r13) + mtspr SPRN_DSCR, r29 + + /* Save all but r9, r13 & r29-r31 */ + reg = 0 + .rept 29 + .if (reg != 9) && (reg != 13) + std reg, VCPU_GPRS_TM(reg)(r9) + .endif + reg = reg + 1 + .endr + /* ... now save r13 */ + GET_SCRATCH0(r4) + std r4, VCPU_GPRS_TM(13)(r9) + /* ... and save r9 */ + ld r4, PACATMSCRATCH(r13) + std r4, VCPU_GPRS_TM(9)(r9) + + /* Reload stack pointer and TOC. */ + ld r1, HSTATE_HOST_R1(r13) + ld r2, PACATOC(r13) + + /* Set MSR RI now we have r1 and r13 back. */ + li r5, MSR_RI + mtmsrd r5, 1 + + /* Save away checkpinted SPRs. */ + std r31, VCPU_PPR_TM(r9) + std r30, VCPU_DSCR_TM(r9) + mflr r5 + mfcr r6 + mfctr r7 + mfspr r8, SPRN_AMR + mfspr r10, SPRN_TAR + std r5, VCPU_LR_TM(r9) + stw r6, VCPU_CR_TM(r9) + std r7, VCPU_CTR_TM(r9) + std r8, VCPU_AMR_TM(r9) + std r10, VCPU_TAR_TM(r9) + + /* Restore r12 as trap number. */ + lwz r12, VCPU_TRAP(r9) + + /* Save FP/VSX. */ + addi r3, r9, VCPU_FPRS_TM + bl .store_fp_state + addi r3, r9, VCPU_VRS_TM + bl .store_vr_state + mfspr r6, SPRN_VRSAVE + stw r6, VCPU_VRSAVE_TM(r9) +1: + /* + * We need to save these SPRs after the treclaim so that the software + * error code is recorded correctly in the TEXASR. Also the user may + * change these outside of a transaction, so they must always be + * context switched. + */ + mfspr r5, SPRN_TFHAR + mfspr r6, SPRN_TFIAR + mfspr r7, SPRN_TEXASR + std r5, VCPU_TFHAR(r9) + std r6, VCPU_TFIAR(r9) + std r7, VCPU_TEXASR(r9) +2: +#endif + /* Increment yield count if they have a VPA */ ld r8, VCPU_VPA(r9) /* do they have a VPA? */ cmpdi r8, 0 diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index c5c052a..02f1def 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -1153,7 +1153,7 @@ static struct kvm_vcpu *kvmppc_core_vcpu_create_pr(struct kvm *kvm, goto free_vcpu; vcpu->arch.book3s = vcpu_book3s; -#ifdef CONFIG_KVM_BOOK3S_32 +#ifdef CONFIG_KVM_BOOK3S_32_HANDLER vcpu->arch.shadow_vcpu = kzalloc(sizeof(*vcpu->arch.shadow_vcpu), GFP_KERNEL); if (!vcpu->arch.shadow_vcpu) @@ -1198,7 +1198,7 @@ static struct kvm_vcpu *kvmppc_core_vcpu_create_pr(struct kvm *kvm, uninit_vcpu: kvm_vcpu_uninit(vcpu); free_shadow_vcpu: -#ifdef CONFIG_KVM_BOOK3S_32 +#ifdef CONFIG_KVM_BOOK3S_32_HANDLER kfree(vcpu->arch.shadow_vcpu); free_vcpu3s: #endif @@ -1215,7 +1215,7 @@ static void kvmppc_core_vcpu_free_pr(struct kvm_vcpu *vcpu) free_page((unsigned long)vcpu->arch.shared & PAGE_MASK); kvm_vcpu_uninit(vcpu); -#ifdef CONFIG_KVM_BOOK3S_32 +#ifdef CONFIG_KVM_BOOK3S_32_HANDLER kfree(vcpu->arch.shadow_vcpu); #endif vfree(vcpu_book3s); diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index d766d6e..06ba83b 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -207,6 +207,10 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend, if (overlaps_kernel_text(vaddr, vaddr + step)) tprot &= ~HPTE_R_N; + /* Make kvm guest trampolines executable */ + if (overlaps_kvm_tmp(vaddr, vaddr + step)) + tprot &= ~HPTE_R_N; + /* * If relocatable, check if it overlaps interrupt vectors that * are copied down to real 0. For relocatable kernel diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c index 253fefe..5b51079 100644 --- a/arch/powerpc/platforms/powernv/eeh-ioda.c +++ b/arch/powerpc/platforms/powernv/eeh-ioda.c @@ -549,7 +549,8 @@ static int ioda_eeh_reset(struct eeh_pe *pe, int option) ret = ioda_eeh_phb_reset(hose, option); } else { bus = eeh_pe_bus_get(pe); - if (pci_is_root_bus(bus)) + if (pci_is_root_bus(bus) || + pci_is_root_bus(bus->parent)) ret = ioda_eeh_root_reset(hose, option); else ret = ioda_eeh_bridge_reset(hose, bus->self, option); diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index cf3c008..23223cd 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -820,6 +820,9 @@ static int ctr_aes_crypt(struct blkcipher_desc *desc, long func, else memcpy(walk->iv, ctrptr, AES_BLOCK_SIZE); spin_unlock(&ctrblk_lock); + } else { + if (!nbytes) + memcpy(walk->iv, ctrptr, AES_BLOCK_SIZE); } /* * final block may be < AES_BLOCK_SIZE, copy only nbytes diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c index 0a5aac8..7acb77f 100644 --- a/arch/s390/crypto/des_s390.c +++ b/arch/s390/crypto/des_s390.c @@ -429,6 +429,9 @@ static int ctr_desall_crypt(struct blkcipher_desc *desc, long func, else memcpy(walk->iv, ctrptr, DES_BLOCK_SIZE); spin_unlock(&ctrblk_lock); + } else { + if (!nbytes) + memcpy(walk->iv, ctrptr, DES_BLOCK_SIZE); } /* final block may be < DES_BLOCK_SIZE, copy only nbytes */ if (nbytes) { diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index b3ecb8f..9ae6664 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -158,6 +158,7 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_ONE_REG: case KVM_CAP_ENABLE_CAP: case KVM_CAP_S390_CSS_SUPPORT: + case KVM_CAP_IRQFD: case KVM_CAP_IOEVENTFD: case KVM_CAP_DEVICE_CTRL: case KVM_CAP_ENABLE_CAP_VM: diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 452d3eb..e9f8fa9 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -811,7 +811,7 @@ static struct bpf_binary_header *bpf_alloc_binary(unsigned int bpfsize, return NULL; memset(header, 0, sz); header->pages = sz / PAGE_SIZE; - hole = sz - (bpfsize + sizeof(*header)); + hole = min(sz - (bpfsize + sizeof(*header)), PAGE_SIZE - sizeof(*header)); /* Insert random number of illegal instructions before BPF code * and make sure the first instruction starts at an even address. */ diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 0f9e945..1a49ffd 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -24,7 +24,8 @@ /* The kernel image occupies 0x4000000 to 0x6000000 (4MB --> 96MB). * The page copy blockops can use 0x6000000 to 0x8000000. - * The TSB is mapped in the 0x8000000 to 0xa000000 range. + * The 8K TSB is mapped in the 0x8000000 to 0x8400000 range. + * The 4M TSB is mapped in the 0x8400000 to 0x8800000 range. * The PROM resides in an area spanning 0xf0000000 to 0x100000000. * The vmalloc area spans 0x100000000 to 0x200000000. * Since modules need to be in the lowest 32-bits of the address space, @@ -33,7 +34,8 @@ * 0x400000000. */ #define TLBTEMP_BASE _AC(0x0000000006000000,UL) -#define TSBMAP_BASE _AC(0x0000000008000000,UL) +#define TSBMAP_8K_BASE _AC(0x0000000008000000,UL) +#define TSBMAP_4M_BASE _AC(0x0000000008400000,UL) #define MODULES_VADDR _AC(0x0000000010000000,UL) #define MODULES_LEN _AC(0x00000000e0000000,UL) #define MODULES_END _AC(0x00000000f0000000,UL) @@ -71,6 +73,23 @@ #include <linux/sched.h> +extern unsigned long sparc64_valid_addr_bitmap[]; + +/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ +static inline bool __kern_addr_valid(unsigned long paddr) +{ + if ((paddr >> MAX_PHYS_ADDRESS_BITS) != 0UL) + return false; + return test_bit(paddr >> ILOG2_4MB, sparc64_valid_addr_bitmap); +} + +static inline bool kern_addr_valid(unsigned long addr) +{ + unsigned long paddr = __pa(addr); + + return __kern_addr_valid(paddr); +} + /* Entries per page directory level. */ #define PTRS_PER_PTE (1UL << (PAGE_SHIFT-3)) #define PTRS_PER_PMD (1UL << PMD_BITS) @@ -79,9 +98,12 @@ /* Kernel has a separate 44bit address space. */ #define FIRST_USER_ADDRESS 0 -#define pte_ERROR(e) __builtin_trap() -#define pmd_ERROR(e) __builtin_trap() -#define pgd_ERROR(e) __builtin_trap() +#define pmd_ERROR(e) \ + pr_err("%s:%d: bad pmd %p(%016lx) seen at (%pS)\n", \ + __FILE__, __LINE__, &(e), pmd_val(e), __builtin_return_address(0)) +#define pgd_ERROR(e) \ + pr_err("%s:%d: bad pgd %p(%016lx) seen at (%pS)\n", \ + __FILE__, __LINE__, &(e), pgd_val(e), __builtin_return_address(0)) #endif /* !(__ASSEMBLY__) */ @@ -258,8 +280,8 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot) { unsigned long mask, tmp; - /* SUN4U: 0x600307ffffffecb8 (negated == 0x9ffcf80000001347) - * SUN4V: 0x30ffffffffffee17 (negated == 0xcf000000000011e8) + /* SUN4U: 0x630107ffffffec38 (negated == 0x9cfef800000013c7) + * SUN4V: 0x33ffffffffffee07 (negated == 0xcc000000000011f8) * * Even if we use negation tricks the result is still a 6 * instruction sequence, so don't try to play fancy and just @@ -289,10 +311,10 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot) " .previous\n" : "=r" (mask), "=r" (tmp) : "i" (_PAGE_PADDR_4U | _PAGE_MODIFIED_4U | _PAGE_ACCESSED_4U | - _PAGE_CP_4U | _PAGE_CV_4U | _PAGE_E_4U | _PAGE_PRESENT_4U | + _PAGE_CP_4U | _PAGE_CV_4U | _PAGE_E_4U | _PAGE_SPECIAL | _PAGE_PMD_HUGE | _PAGE_SZALL_4U), "i" (_PAGE_PADDR_4V | _PAGE_MODIFIED_4V | _PAGE_ACCESSED_4V | - _PAGE_CP_4V | _PAGE_CV_4V | _PAGE_E_4V | _PAGE_PRESENT_4V | + _PAGE_CP_4V | _PAGE_CV_4V | _PAGE_E_4V | _PAGE_SPECIAL | _PAGE_PMD_HUGE | _PAGE_SZALL_4V)); return __pte((pte_val(pte) & mask) | (pgprot_val(prot) & ~mask)); @@ -633,7 +655,7 @@ static inline unsigned long pmd_large(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); - return (pte_val(pte) & _PAGE_PMD_HUGE) && pte_present(pte); + return pte_val(pte) & _PAGE_PMD_HUGE; } #ifdef CONFIG_TRANSPARENT_HUGEPAGE @@ -719,20 +741,6 @@ static inline pmd_t pmd_mkwrite(pmd_t pmd) return __pmd(pte_val(pte)); } -static inline pmd_t pmd_mknotpresent(pmd_t pmd) -{ - unsigned long mask; - - if (tlb_type == hypervisor) - mask = _PAGE_PRESENT_4V; - else - mask = _PAGE_PRESENT_4U; - - pmd_val(pmd) &= ~mask; - - return pmd; -} - static inline pmd_t pmd_mksplitting(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); @@ -757,6 +765,20 @@ static inline int pmd_present(pmd_t pmd) #define pmd_none(pmd) (!pmd_val(pmd)) +/* pmd_bad() is only called on non-trans-huge PMDs. Our encoding is + * very simple, it's just the physical address. PTE tables are of + * size PAGE_SIZE so make sure the sub-PAGE_SIZE bits are clear and + * the top bits outside of the range of any physical address size we + * support are clear as well. We also validate the physical itself. + */ +#define pmd_bad(pmd) ((pmd_val(pmd) & ~PAGE_MASK) || \ + !__kern_addr_valid(pmd_val(pmd))) + +#define pud_none(pud) (!pud_val(pud)) + +#define pud_bad(pud) ((pud_val(pud) & ~PAGE_MASK) || \ + !__kern_addr_valid(pud_val(pud))) + #ifdef CONFIG_TRANSPARENT_HUGEPAGE extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd); @@ -790,10 +812,7 @@ static inline unsigned long __pmd_page(pmd_t pmd) #define pud_page_vaddr(pud) \ ((unsigned long) __va(pud_val(pud))) #define pud_page(pud) virt_to_page((void *)pud_page_vaddr(pud)) -#define pmd_bad(pmd) (0) #define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0UL) -#define pud_none(pud) (!pud_val(pud)) -#define pud_bad(pud) (0) #define pud_present(pud) (pud_val(pud) != 0U) #define pud_clear(pudp) (pud_val(*(pudp)) = 0UL) @@ -893,6 +912,10 @@ extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *); extern void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd); +#define __HAVE_ARCH_PMDP_INVALIDATE +extern void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, + pmd_t *pmdp); + #define __HAVE_ARCH_PGTABLE_DEPOSIT extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, pgtable_t pgtable); @@ -919,18 +942,6 @@ extern unsigned long pte_file(pte_t); extern pte_t pgoff_to_pte(unsigned long); #define PTE_FILE_MAX_BITS (64UL - PAGE_SHIFT - 1UL) -extern unsigned long sparc64_valid_addr_bitmap[]; - -/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ -static inline bool kern_addr_valid(unsigned long addr) -{ - unsigned long paddr = __pa(addr); - - if ((paddr >> 41UL) != 0UL) - return false; - return test_bit(paddr >> 22, sparc64_valid_addr_bitmap); -} - extern int page_in_phys_avail(unsigned long paddr); /* diff --git a/arch/sparc/include/asm/tsb.h b/arch/sparc/include/asm/tsb.h index 2230f80..90916f9 100644 --- a/arch/sparc/include/asm/tsb.h +++ b/arch/sparc/include/asm/tsb.h @@ -171,7 +171,8 @@ extern struct tsb_phys_patch_entry __tsb_phys_patch, __tsb_phys_patch_end; andcc REG1, REG2, %g0; \ be,pt %xcc, 700f; \ sethi %hi(4 * 1024 * 1024), REG2; \ - andn REG1, REG2, REG1; \ + brgez,pn REG1, FAIL_LABEL; \ + andn REG1, REG2, REG1; \ and VADDR, REG2, REG2; \ brlz,pt REG1, PTE_LABEL; \ or REG1, REG2, REG1; \ diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index 26b706a..452f04f 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -282,8 +282,8 @@ sun4v_chip_type: stx %l2, [%l4 + 0x0] ldx [%sp + 2047 + 128 + 0x50], %l3 ! physaddr low /* 4MB align */ - srlx %l3, 22, %l3 - sllx %l3, 22, %l3 + srlx %l3, ILOG2_4MB, %l3 + sllx %l3, ILOG2_4MB, %l3 stx %l3, [%l4 + 0x8] /* Leave service as-is, "call-method" */ diff --git a/arch/sparc/kernel/ktlb.S b/arch/sparc/kernel/ktlb.S index 542e96a..605d492 100644 --- a/arch/sparc/kernel/ktlb.S +++ b/arch/sparc/kernel/ktlb.S @@ -277,7 +277,7 @@ kvmap_dtlb_load: #ifdef CONFIG_SPARSEMEM_VMEMMAP kvmap_vmemmap: sub %g4, %g5, %g5 - srlx %g5, 22, %g5 + srlx %g5, ILOG2_4MB, %g5 sethi %hi(vmemmap_table), %g1 sllx %g5, 3, %g5 or %g1, %lo(vmemmap_table), %g1 diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c index 6479256..3370945 100644 --- a/arch/sparc/kernel/nmi.c +++ b/arch/sparc/kernel/nmi.c @@ -68,27 +68,16 @@ EXPORT_SYMBOL(touch_nmi_watchdog); static void die_nmi(const char *str, struct pt_regs *regs, int do_panic) { + int this_cpu = smp_processor_id(); + if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP) return; - console_verbose(); - bust_spinlocks(1); - - printk(KERN_EMERG "%s", str); - printk(" on CPU%d, ip %08lx, registers:\n", - smp_processor_id(), regs->tpc); - show_regs(regs); - dump_stack(); - - bust_spinlocks(0); - if (do_panic || panic_on_oops) - panic("Non maskable interrupt"); - - nmi_exit(); - local_irq_enable(); - do_exit(SIGBUS); + panic("Watchdog detected hard LOCKUP on cpu %d", this_cpu); + else + WARN(1, "Watchdog detected hard LOCKUP on cpu %d", this_cpu); } notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs) diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index 9781048..745a363 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -149,7 +149,7 @@ void cpu_panic(void) #define NUM_ROUNDS 64 /* magic value */ #define NUM_ITERS 5 /* likewise */ -static DEFINE_SPINLOCK(itc_sync_lock); +static DEFINE_RAW_SPINLOCK(itc_sync_lock); static unsigned long go[SLAVE + 1]; #define DEBUG_TICK_SYNC 0 @@ -257,7 +257,7 @@ static void smp_synchronize_one_tick(int cpu) go[MASTER] = 0; membar_safe("#StoreLoad"); - spin_lock_irqsave(&itc_sync_lock, flags); + raw_spin_lock_irqsave(&itc_sync_lock, flags); { for (i = 0; i < NUM_ROUNDS*NUM_ITERS; i++) { while (!go[MASTER]) @@ -268,7 +268,7 @@ static void smp_synchronize_one_tick(int cpu) membar_safe("#StoreLoad"); } } - spin_unlock_irqrestore(&itc_sync_lock, flags); + raw_spin_unlock_irqrestore(&itc_sync_lock, flags); } #if defined(CONFIG_SUN_LDOMS) && defined(CONFIG_HOTPLUG_CPU) diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S index f7c72b6..d066eb1 100644 --- a/arch/sparc/kernel/sys32.S +++ b/arch/sparc/kernel/sys32.S @@ -44,7 +44,7 @@ SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1) SIGN1(sys32_io_submit, compat_sys_io_submit, %o1) SIGN1(sys32_mq_open, compat_sys_mq_open, %o1) SIGN1(sys32_select, compat_sys_select, %o0) -SIGN3(sys32_futex, compat_sys_futex, %o1, %o2, %o5) +SIGN1(sys32_futex, compat_sys_futex, %o1) SIGN1(sys32_recvfrom, compat_sys_recvfrom, %o0) SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0) SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0) diff --git a/arch/sparc/kernel/sysfs.c b/arch/sparc/kernel/sysfs.c index a364000c..7f41d40 100644 --- a/arch/sparc/kernel/sysfs.c +++ b/arch/sparc/kernel/sysfs.c @@ -151,7 +151,7 @@ static ssize_t store_mmustat_enable(struct device *s, size_t count) { unsigned long val, err; - int ret = sscanf(buf, "%ld", &val); + int ret = sscanf(buf, "%lu", &val); if (ret != 1) return -EINVAL; diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c index 3c1a7cb..35ab8b6 100644 --- a/arch/sparc/kernel/unaligned_64.c +++ b/arch/sparc/kernel/unaligned_64.c @@ -166,17 +166,23 @@ static unsigned long *fetch_reg_addr(unsigned int reg, struct pt_regs *regs) unsigned long compute_effective_address(struct pt_regs *regs, unsigned int insn, unsigned int rd) { + int from_kernel = (regs->tstate & TSTATE_PRIV) != 0; unsigned int rs1 = (insn >> 14) & 0x1f; unsigned int rs2 = insn & 0x1f; - int from_kernel = (regs->tstate & TSTATE_PRIV) != 0; + unsigned long addr; if (insn & 0x2000) { maybe_flush_windows(rs1, 0, rd, from_kernel); - return (fetch_reg(rs1, regs) + sign_extend_imm13(insn)); + addr = (fetch_reg(rs1, regs) + sign_extend_imm13(insn)); } else { maybe_flush_windows(rs1, rs2, rd, from_kernel); - return (fetch_reg(rs1, regs) + fetch_reg(rs2, regs)); + addr = (fetch_reg(rs1, regs) + fetch_reg(rs2, regs)); } + + if (!from_kernel && test_thread_flag(TIF_32BIT)) + addr &= 0xffffffff; + + return addr; } /* This is just to make gcc think die_if_kernel does return... */ diff --git a/arch/sparc/lib/NG2memcpy.S b/arch/sparc/lib/NG2memcpy.S index 2c20ad6..30eee6e 100644 --- a/arch/sparc/lib/NG2memcpy.S +++ b/arch/sparc/lib/NG2memcpy.S @@ -236,6 +236,7 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ */ VISEntryHalf + membar #Sync alignaddr %o1, %g0, %g0 add %o1, (64 - 1), %o4 diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c index 69bb818..4ced3fc 100644 --- a/arch/sparc/mm/fault_64.c +++ b/arch/sparc/mm/fault_64.c @@ -96,38 +96,51 @@ static unsigned int get_user_insn(unsigned long tpc) pte_t *ptep, pte; unsigned long pa; u32 insn = 0; - unsigned long pstate; - if (pgd_none(*pgdp)) - goto outret; + if (pgd_none(*pgdp) || unlikely(pgd_bad(*pgdp))) + goto out; pudp = pud_offset(pgdp, tpc); - if (pud_none(*pudp)) - goto outret; - pmdp = pmd_offset(pudp, tpc); - if (pmd_none(*pmdp)) - goto outret; + if (pud_none(*pudp) || unlikely(pud_bad(*pudp))) + goto out; /* This disables preemption for us as well. */ - __asm__ __volatile__("rdpr %%pstate, %0" : "=r" (pstate)); - __asm__ __volatile__("wrpr %0, %1, %%pstate" - : : "r" (pstate), "i" (PSTATE_IE)); - ptep = pte_offset_map(pmdp, tpc); - pte = *ptep; - if (!pte_present(pte)) - goto out; + local_irq_disable(); + + pmdp = pmd_offset(pudp, tpc); + if (pmd_none(*pmdp) || unlikely(pmd_bad(*pmdp))) + goto out_irq_enable; - pa = (pte_pfn(pte) << PAGE_SHIFT); - pa += (tpc & ~PAGE_MASK); +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + if (pmd_trans_huge(*pmdp)) { + if (pmd_trans_splitting(*pmdp)) + goto out_irq_enable; - /* Use phys bypass so we don't pollute dtlb/dcache. */ - __asm__ __volatile__("lduwa [%1] %2, %0" - : "=r" (insn) - : "r" (pa), "i" (ASI_PHYS_USE_EC)); + pa = pmd_pfn(*pmdp) << PAGE_SHIFT; + pa += tpc & ~HPAGE_MASK; + /* Use phys bypass so we don't pollute dtlb/dcache. */ + __asm__ __volatile__("lduwa [%1] %2, %0" + : "=r" (insn) + : "r" (pa), "i" (ASI_PHYS_USE_EC)); + } else +#endif + { + ptep = pte_offset_map(pmdp, tpc); + pte = *ptep; + if (pte_present(pte)) { + pa = (pte_pfn(pte) << PAGE_SHIFT); + pa += (tpc & ~PAGE_MASK); + + /* Use phys bypass so we don't pollute dtlb/dcache. */ + __asm__ __volatile__("lduwa [%1] %2, %0" + : "=r" (insn) + : "r" (pa), "i" (ASI_PHYS_USE_EC)); + } + pte_unmap(ptep); + } +out_irq_enable: + local_irq_enable(); out: - pte_unmap(ptep); - __asm__ __volatile__("wrpr %0, 0x0, %%pstate" : : "r" (pstate)); -outret: return insn; } @@ -153,7 +166,8 @@ show_signal_msg(struct pt_regs *regs, int sig, int code, } static void do_fault_siginfo(int code, int sig, struct pt_regs *regs, - unsigned int insn, int fault_code) + unsigned long fault_addr, unsigned int insn, + int fault_code) { unsigned long addr; siginfo_t info; @@ -161,10 +175,18 @@ static void do_fault_siginfo(int code, int sig, struct pt_regs *regs, info.si_code = code; info.si_signo = sig; info.si_errno = 0; - if (fault_code & FAULT_CODE_ITLB) + if (fault_code & FAULT_CODE_ITLB) { addr = regs->tpc; - else - addr = compute_effective_address(regs, insn, 0); + } else { + /* If we were able to probe the faulting instruction, use it + * to compute a precise fault address. Otherwise use the fault + * time provided address which may only have page granularity. + */ + if (insn) + addr = compute_effective_address(regs, insn, 0); + else + addr = fault_addr; + } info.si_addr = (void __user *) addr; info.si_trapno = 0; @@ -239,7 +261,7 @@ static void __kprobes do_kernel_fault(struct pt_regs *regs, int si_code, /* The si_code was set to make clear whether * this was a SEGV_MAPERR or SEGV_ACCERR fault. */ - do_fault_siginfo(si_code, SIGSEGV, regs, insn, fault_code); + do_fault_siginfo(si_code, SIGSEGV, regs, address, insn, fault_code); return; } @@ -259,18 +281,6 @@ static void noinline __kprobes bogus_32bit_fault_tpc(struct pt_regs *regs) show_regs(regs); } -static void noinline __kprobes bogus_32bit_fault_address(struct pt_regs *regs, - unsigned long addr) -{ - static int times; - - if (times++ < 10) - printk(KERN_ERR "FAULT[%s:%d]: 32-bit process " - "reports 64-bit fault address [%lx]\n", - current->comm, current->pid, addr); - show_regs(regs); -} - asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs) { enum ctx_state prev_state = exception_enter(); @@ -300,10 +310,8 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs) goto intr_or_no_mm; } } - if (unlikely((address >> 32) != 0)) { - bogus_32bit_fault_address(regs, address); + if (unlikely((address >> 32) != 0)) goto intr_or_no_mm; - } } if (regs->tstate & TSTATE_PRIV) { @@ -525,7 +533,7 @@ do_sigbus: * Send a sigbus, regardless of whether we were in kernel * or user mode. */ - do_fault_siginfo(BUS_ADRERR, SIGBUS, regs, insn, fault_code); + do_fault_siginfo(BUS_ADRERR, SIGBUS, regs, address, insn, fault_code); /* Kernel mode? Handle exceptions or die */ if (regs->tstate & TSTATE_PRIV) diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c index c4d3da6..1aed043 100644 --- a/arch/sparc/mm/gup.c +++ b/arch/sparc/mm/gup.c @@ -73,7 +73,7 @@ static int gup_huge_pmd(pmd_t *pmdp, pmd_t pmd, unsigned long addr, struct page *head, *page, *tail; int refs; - if (!pmd_large(pmd)) + if (!(pmd_val(pmd) & _PAGE_VALID)) return 0; if (write && !pmd_write(pmd)) diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index eafbc65..ed3c969 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -588,7 +588,7 @@ static void __init remap_kernel(void) int i, tlb_ent = sparc64_highest_locked_tlbent(); tte_vaddr = (unsigned long) KERNBASE; - phys_page = (prom_boot_mapping_phys_low >> 22UL) << 22UL; + phys_page = (prom_boot_mapping_phys_low >> ILOG2_4MB) << ILOG2_4MB; tte_data = kern_large_tte(phys_page); kern_locked_tte_data = tte_data; @@ -1881,7 +1881,7 @@ void __init paging_init(void) BUILD_BUG_ON(NR_CPUS > 4096); - kern_base = (prom_boot_mapping_phys_low >> 22UL) << 22UL; + kern_base = (prom_boot_mapping_phys_low >> ILOG2_4MB) << ILOG2_4MB; kern_size = (unsigned long)&_end - (unsigned long)KERNBASE; /* Invalidate both kernel TSBs. */ @@ -1937,7 +1937,7 @@ void __init paging_init(void) shift = kern_base + PAGE_OFFSET - ((unsigned long)KERNBASE); real_end = (unsigned long)_end; - num_kernel_image_mappings = DIV_ROUND_UP(real_end - KERNBASE, 1 << 22); + num_kernel_image_mappings = DIV_ROUND_UP(real_end - KERNBASE, 1 << ILOG2_4MB); printk("Kernel: Using %d locked TLB entries for main kernel image.\n", num_kernel_image_mappings); @@ -2094,7 +2094,7 @@ static void __init setup_valid_addr_bitmap_from_pavail(unsigned long *bitmap) if (new_start <= old_start && new_end >= (old_start + PAGE_SIZE)) { - set_bit(old_start >> 22, bitmap); + set_bit(old_start >> ILOG2_4MB, bitmap); goto do_next_page; } } @@ -2143,7 +2143,7 @@ void __init mem_init(void) addr = PAGE_OFFSET + kern_base; last = PAGE_ALIGN(kern_size) + addr; while (addr < last) { - set_bit(__pa(addr) >> 22, sparc64_valid_addr_bitmap); + set_bit(__pa(addr) >> ILOG2_4MB, sparc64_valid_addr_bitmap); addr += PAGE_SIZE; } @@ -2267,7 +2267,7 @@ int __meminit vmemmap_populate(unsigned long vstart, unsigned long vend, void *block; if (!(*vmem_pp & _PAGE_VALID)) { - block = vmemmap_alloc_block(1UL << 22, node); + block = vmemmap_alloc_block(1UL << ILOG2_4MB, node); if (!block) return -ENOMEM; diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c index b12cb5e..b89aba2 100644 --- a/arch/sparc/mm/tlb.c +++ b/arch/sparc/mm/tlb.c @@ -134,7 +134,7 @@ no_cache_flush: #ifdef CONFIG_TRANSPARENT_HUGEPAGE static void tlb_batch_pmd_scan(struct mm_struct *mm, unsigned long vaddr, - pmd_t pmd, bool exec) + pmd_t pmd) { unsigned long end; pte_t *pte; @@ -142,8 +142,11 @@ static void tlb_batch_pmd_scan(struct mm_struct *mm, unsigned long vaddr, pte = pte_offset_map(&pmd, vaddr); end = vaddr + HPAGE_SIZE; while (vaddr < end) { - if (pte_val(*pte) & _PAGE_VALID) + if (pte_val(*pte) & _PAGE_VALID) { + bool exec = pte_exec(*pte); + tlb_batch_add_one(mm, vaddr, exec); + } pte++; vaddr += PAGE_SIZE; } @@ -177,19 +180,30 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, } if (!pmd_none(orig)) { - pte_t orig_pte = __pte(pmd_val(orig)); - bool exec = pte_exec(orig_pte); - addr &= HPAGE_MASK; if (pmd_trans_huge(orig)) { + pte_t orig_pte = __pte(pmd_val(orig)); + bool exec = pte_exec(orig_pte); + tlb_batch_add_one(mm, addr, exec); tlb_batch_add_one(mm, addr + REAL_HPAGE_SIZE, exec); } else { - tlb_batch_pmd_scan(mm, addr, orig, exec); + tlb_batch_pmd_scan(mm, addr, orig); } } } +void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, + pmd_t *pmdp) +{ + pmd_t entry = *pmdp; + + pmd_val(entry) &= ~_PAGE_VALID; + + set_pmd_at(vma->vm_mm, address, pmdp, entry); + flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE); +} + void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, pgtable_t pgtable) { diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c index f5d506f..fe19b81 100644 --- a/arch/sparc/mm/tsb.c +++ b/arch/sparc/mm/tsb.c @@ -133,7 +133,19 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign mm->context.tsb_block[tsb_idx].tsb_nentries = tsb_bytes / sizeof(struct tsb); - base = TSBMAP_BASE; + switch (tsb_idx) { + case MM_TSB_BASE: + base = TSBMAP_8K_BASE; + break; +#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) + case MM_TSB_HUGE: + base = TSBMAP_4M_BASE; + break; +#endif + default: + BUG(); + } + tte = pgprot_val(PAGE_KERNEL_LOCKED); tsb_paddr = __pa(mm->context.tsb_block[tsb_idx].tsb); BUG_ON(tsb_paddr & (tsb_bytes - 1UL)); diff --git a/arch/x86/Makefile b/arch/x86/Makefile index ce6ad7e..33f71b0 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -79,6 +79,7 @@ else UTS_MACHINE := x86_64 CHECKFLAGS += -D__x86_64__ -m64 + biarch := -m64 KBUILD_AFLAGS += -m64 KBUILD_CFLAGS += -m64 diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile index abb9eba..dbe8dd2 100644 --- a/arch/x86/boot/Makefile +++ b/arch/x86/boot/Makefile @@ -71,7 +71,7 @@ $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE SETUP_OBJS = $(addprefix $(obj)/,$(setup-y)) -sed-voffset := -e 's/^\([0-9a-fA-F]*\) . \(_text\|_end\)$$/\#define VO_\2 0x\1/p' +sed-voffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(_text\|_end\)$$/\#define VO_\2 0x\1/p' quiet_cmd_voffset = VOFFSET $@ cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@ @@ -80,7 +80,7 @@ targets += voffset.h $(obj)/voffset.h: vmlinux FORCE $(call if_changed,voffset) -sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|startup_64\|efi32_stub_entry\|efi64_stub_entry\|efi_pe_entry\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p' +sed-zoffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(startup_32\|startup_64\|efi32_stub_entry\|efi64_stub_entry\|efi_pe_entry\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p' quiet_cmd_zoffset = ZOFFSET $@ cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@ diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index 1768461..57ab74d 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -354,7 +354,7 @@ static void parse_elf(void *output) free(phdrs); } -asmlinkage void *decompress_kernel(void *rmode, memptr heap, +asmlinkage __visible void *decompress_kernel(void *rmode, memptr heap, unsigned char *input_data, unsigned long input_len, unsigned char *output, diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h index b18df57..36f7125 100644 --- a/arch/x86/include/asm/hpet.h +++ b/arch/x86/include/asm/hpet.h @@ -63,6 +63,7 @@ /* hpet memory map physical address */ extern unsigned long hpet_address; extern unsigned long force_hpet_address; +extern int boot_hpet_disable; extern u8 hpet_blockid; extern int hpet_force_user; extern u8 hpet_msi_disable; diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h index a809121..68c0539 100644 --- a/arch/x86/include/asm/hugetlb.h +++ b/arch/x86/include/asm/hugetlb.h @@ -52,6 +52,7 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { + ptep_clear_flush(vma, addr, ptep); } static inline int huge_pte_none(pte_t pte) diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h index 8de6d9c..6782051 100644 --- a/arch/x86/include/asm/page_64_types.h +++ b/arch/x86/include/asm/page_64_types.h @@ -1,7 +1,7 @@ #ifndef _ASM_X86_PAGE_64_DEFS_H #define _ASM_X86_PAGE_64_DEFS_H -#define THREAD_SIZE_ORDER 1 +#define THREAD_SIZE_ORDER 2 #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) #define CURRENT_MASK (~(THREAD_SIZE - 1)) diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h index e709884..ca08a27 100644 --- a/arch/x86/include/asm/xen/hypercall.h +++ b/arch/x86/include/asm/xen/hypercall.h @@ -343,7 +343,7 @@ HYPERVISOR_memory_op(unsigned int cmd, void *arg) } static inline int -HYPERVISOR_multicall(void *call_list, int nr_calls) +HYPERVISOR_multicall(void *call_list, uint32_t nr_calls) { return _hypercall2(int, multicall, call_list, nr_calls); } diff --git a/arch/x86/include/asm/xen/interface.h b/arch/x86/include/asm/xen/interface.h index fd9cb76..3400dba 100644 --- a/arch/x86/include/asm/xen/interface.h +++ b/arch/x86/include/asm/xen/interface.h @@ -54,6 +54,9 @@ typedef unsigned long xen_pfn_t; #define PRI_xen_pfn "lx" typedef unsigned long xen_ulong_t; #define PRI_xen_ulong "lx" +typedef long xen_long_t; +#define PRI_xen_long "lx" + /* Guest handles for primitive C types. */ __DEFINE_GUEST_HANDLE(uchar, unsigned char); __DEFINE_GUEST_HANDLE(uint, unsigned int); diff --git a/arch/x86/include/uapi/asm/msr-index.h b/arch/x86/include/uapi/asm/msr-index.h index c827ace..fcf2b3a 100644 --- a/arch/x86/include/uapi/asm/msr-index.h +++ b/arch/x86/include/uapi/asm/msr-index.h @@ -384,7 +384,7 @@ #define MSR_IA32_MISC_ENABLE_MWAIT_BIT 18 #define MSR_IA32_MISC_ENABLE_MWAIT (1ULL << MSR_IA32_MISC_ENABLE_MWAIT_BIT) #define MSR_IA32_MISC_ENABLE_LIMIT_CPUID_BIT 22 -#define MSR_IA32_MISC_ENABLE_LIMIT_CPUID (1ULL << MSR_IA32_MISC_ENABLE_LIMIT_CPUID_BIT); +#define MSR_IA32_MISC_ENABLE_LIMIT_CPUID (1ULL << MSR_IA32_MISC_ENABLE_LIMIT_CPUID_BIT) #define MSR_IA32_MISC_ENABLE_XTPR_DISABLE_BIT 23 #define MSR_IA32_MISC_ENABLE_XTPR_DISABLE (1ULL << MSR_IA32_MISC_ENABLE_XTPR_DISABLE_BIT) #define MSR_IA32_MISC_ENABLE_XD_DISABLE_BIT 34 diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index 3a2ae4c..3136820 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -31,7 +31,7 @@ static char temp_stack[4096]; * * Wrapper around acpi_enter_sleep_state() to be called by assmebly. */ -acpi_status asmlinkage x86_acpi_enter_sleep_state(u8 state) +acpi_status asmlinkage __visible x86_acpi_enter_sleep_state(u8 state) { return acpi_enter_sleep_state(state); } diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index d23aa82..992060e 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -2189,7 +2189,7 @@ void send_cleanup_vector(struct irq_cfg *cfg) cfg->move_in_progress = 0; } -asmlinkage void smp_irq_move_cleanup_interrupt(void) +asmlinkage __visible void smp_irq_move_cleanup_interrupt(void) { unsigned vector, me; diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c index d921b7e..36a1bb6 100644 --- a/arch/x86/kernel/cpu/mcheck/therm_throt.c +++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c @@ -429,14 +429,14 @@ static inline void __smp_thermal_interrupt(void) smp_thermal_vector(); } -asmlinkage void smp_thermal_interrupt(struct pt_regs *regs) +asmlinkage __visible void smp_thermal_interrupt(struct pt_regs *regs) { entering_irq(); __smp_thermal_interrupt(); exiting_ack_irq(); } -asmlinkage void smp_trace_thermal_interrupt(struct pt_regs *regs) +asmlinkage __visible void smp_trace_thermal_interrupt(struct pt_regs *regs) { entering_irq(); trace_thermal_apic_entry(THERMAL_APIC_VECTOR); diff --git a/arch/x86/kernel/cpu/mcheck/threshold.c b/arch/x86/kernel/cpu/mcheck/threshold.c index fe6b1c8..7245980 100644 --- a/arch/x86/kernel/cpu/mcheck/threshold.c +++ b/arch/x86/kernel/cpu/mcheck/threshold.c @@ -24,14 +24,14 @@ static inline void __smp_threshold_interrupt(void) mce_threshold_vector(); } -asmlinkage void smp_threshold_interrupt(void) +asmlinkage __visible void smp_threshold_interrupt(void) { entering_irq(); __smp_threshold_interrupt(); exiting_ack_irq(); } -asmlinkage void smp_trace_threshold_interrupt(void) +asmlinkage __visible void smp_trace_threshold_interrupt(void) { entering_irq(); trace_threshold_apic_entry(THRESHOLD_APIC_VECTOR); diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index aa333d9..adb02aa 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -169,7 +169,6 @@ static struct event_constraint intel_slm_event_constraints[] __read_mostly = { FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ - FIXED_EVENT_CONSTRAINT(0x013c, 2), /* CPU_CLK_UNHALTED.REF */ FIXED_EVENT_CONSTRAINT(0x0300, 2), /* pseudo CPU_CLK_UNHALTED.REF */ EVENT_CONSTRAINT_END }; diff --git a/arch/x86/kernel/cpu/rdrand.c b/arch/x86/kernel/cpu/rdrand.c index 384df51..136ac74 100644 --- a/arch/x86/kernel/cpu/rdrand.c +++ b/arch/x86/kernel/cpu/rdrand.c @@ -27,6 +27,7 @@ static int __init x86_rdrand_setup(char *s) { setup_clear_cpu_cap(X86_FEATURE_RDRAND); + setup_clear_cpu_cap(X86_FEATURE_RDSEED); return 1; } __setup("nordrand", x86_rdrand_setup); diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 6e2537c..6cda0ba 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -17,6 +17,7 @@ #include <asm/dma.h> #include <asm/io_apic.h> #include <asm/apic.h> +#include <asm/hpet.h> #include <asm/iommu.h> #include <asm/gart.h> #include <asm/irq_remapping.h> @@ -530,6 +531,15 @@ static void __init intel_graphics_stolen(int num, int slot, int func) } } +static void __init force_disable_hpet(int num, int slot, int func) +{ +#ifdef CONFIG_HPET_TIMER + boot_hpet_disable = 1; + pr_info("x86/hpet: Will disable the HPET for this platform because it's not reliable\n"); +#endif +} + + #define QFLAG_APPLY_ONCE 0x1 #define QFLAG_APPLIED 0x2 #define QFLAG_DONE (QFLAG_APPLY_ONCE|QFLAG_APPLIED) @@ -567,6 +577,12 @@ static struct chipset early_qrk[] __initdata = { PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check }, { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA, PCI_ANY_ID, QFLAG_APPLY_ONCE, intel_graphics_stolen }, + /* + * HPET on current version of Baytrail platform has accuracy + * problems, disable it for now: + */ + { PCI_VENDOR_ID_INTEL, 0x0f00, + PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, {} }; diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c index c61a14a..d6c1b983 100644 --- a/arch/x86/kernel/head32.c +++ b/arch/x86/kernel/head32.c @@ -29,7 +29,7 @@ static void __init i386_default_early_setup(void) reserve_ebda_region(); } -asmlinkage void __init i386_start_kernel(void) +asmlinkage __visible void __init i386_start_kernel(void) { sanitize_boot_params(&boot_params); diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 85126cc..068054f 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -137,7 +137,7 @@ static void __init copy_bootdata(char *real_mode_data) } } -asmlinkage void __init x86_64_start_kernel(char * real_mode_data) +asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data) { int i; diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 8d80ae0..4177bfb 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -88,7 +88,7 @@ static inline void hpet_clear_mapping(void) /* * HPET command line enable / disable */ -static int boot_hpet_disable; +int boot_hpet_disable; int hpet_force_user; static int hpet_verbose; diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c index af1d14a..dcbbaa1 100644 --- a/arch/x86/kernel/ldt.c +++ b/arch/x86/kernel/ldt.c @@ -20,6 +20,8 @@ #include <asm/mmu_context.h> #include <asm/syscalls.h> +int sysctl_ldt16 = 0; + #ifdef CONFIG_SMP static void flush_ldt(void *current_mm) { @@ -234,7 +236,7 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode) * IRET leaking the high bits of the kernel stack address. */ #ifdef CONFIG_X86_64 - if (!ldt_info.seg_32bit) { + if (!ldt_info.seg_32bit && !sysctl_ldt16) { error = -EINVAL; goto out_unlock; } diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 9c0280f..898d077 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -52,7 +52,7 @@ asmlinkage extern void ret_from_fork(void); -asmlinkage DEFINE_PER_CPU(unsigned long, old_rsp); +__visible DEFINE_PER_CPU(unsigned long, old_rsp); /* Prints also some state that isn't saved in the pt_regs */ void __show_regs(struct pt_regs *regs, int all) diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 3399d3a..52b1157 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -191,6 +191,16 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { }, }, + /* Certec */ + { /* Handle problems with rebooting on Certec BPC600 */ + .callback = set_pci_reboot, + .ident = "Certec BPC600", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Certec"), + DMI_MATCH(DMI_PRODUCT_NAME, "BPC600"), + }, + }, + /* Dell */ { /* Handle problems with rebooting on Dell DXP061 */ .callback = set_bios_reboot, diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c index 7c3a5a6..be8e1bd 100644 --- a/arch/x86/kernel/smp.c +++ b/arch/x86/kernel/smp.c @@ -168,7 +168,7 @@ static int smp_stop_nmi_callback(unsigned int val, struct pt_regs *regs) * this function calls the 'stop' function on all other CPUs in the system. */ -asmlinkage void smp_reboot_interrupt(void) +asmlinkage __visible void smp_reboot_interrupt(void) { ack_APIC_irq(); irq_enter(); diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 57409f6..f73b5d4 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -357,7 +357,7 @@ exit: * for scheduling or signal handling. The actual stack switch is done in * entry.S */ -asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs) +asmlinkage __visible __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs) { struct pt_regs *regs = eregs; /* Did already sync */ @@ -601,11 +601,11 @@ do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) #endif } -asmlinkage void __attribute__((weak)) smp_thermal_interrupt(void) +asmlinkage __visible void __attribute__((weak)) smp_thermal_interrupt(void) { } -asmlinkage void __attribute__((weak)) smp_threshold_interrupt(void) +asmlinkage __visible void __attribute__((weak)) smp_threshold_interrupt(void) { } diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c index 5edc34b..b99b9ad8 100644 --- a/arch/x86/kernel/vsmp_64.c +++ b/arch/x86/kernel/vsmp_64.c @@ -36,7 +36,7 @@ static int irq_routing_comply = 1; * and vice versa. */ -asmlinkage unsigned long vsmp_save_fl(void) +asmlinkage __visible unsigned long vsmp_save_fl(void) { unsigned long flags = native_save_fl(); @@ -56,7 +56,7 @@ __visible void vsmp_restore_fl(unsigned long flags) } PV_CALLEE_SAVE_REGS_THUNK(vsmp_restore_fl); -asmlinkage void vsmp_irq_disable(void) +asmlinkage __visible void vsmp_irq_disable(void) { unsigned long flags = native_save_fl(); @@ -64,7 +64,7 @@ asmlinkage void vsmp_irq_disable(void) } PV_CALLEE_SAVE_REGS_THUNK(vsmp_irq_disable); -asmlinkage void vsmp_irq_enable(void) +asmlinkage __visible void vsmp_irq_enable(void) { unsigned long flags = native_save_fl(); diff --git a/arch/x86/kernel/vsyscall_gtod.c b/arch/x86/kernel/vsyscall_gtod.c index f9c6e56..9531fbb 100644 --- a/arch/x86/kernel/vsyscall_gtod.c +++ b/arch/x86/kernel/vsyscall_gtod.c @@ -43,7 +43,7 @@ void update_vsyscall(struct timekeeper *tk) vdata->monotonic_time_sec = tk->xtime_sec + tk->wall_to_monotonic.tv_sec; vdata->monotonic_time_snsec = tk->xtime_nsec - + (tk->wall_to_monotonic.tv_nsec + + ((u64)tk->wall_to_monotonic.tv_nsec << tk->shift); while (vdata->monotonic_time_snsec >= (((u64)NSEC_PER_SEC) << tk->shift)) { diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 33e8c02..138ceff 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -7778,7 +7778,8 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) exec_control = vmcs12->pin_based_vm_exec_control; exec_control |= vmcs_config.pin_based_exec_ctrl; - exec_control &= ~PIN_BASED_VMX_PREEMPTION_TIMER; + exec_control &= ~(PIN_BASED_VMX_PREEMPTION_TIMER | + PIN_BASED_POSTED_INTR); vmcs_write32(PIN_BASED_VM_EXEC_CONTROL, exec_control); vmx->nested.preemption_timer_expired = false; @@ -7815,7 +7816,9 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) if (!vmx->rdtscp_enabled) exec_control &= ~SECONDARY_EXEC_RDTSCP; /* Take the following fields only from vmcs12 */ - exec_control &= ~SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES; + exec_control &= ~(SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES | + SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY | + SECONDARY_EXEC_APIC_REGISTER_VIRT); if (nested_cpu_has(vmcs12, CPU_BASED_ACTIVATE_SECONDARY_CONTROLS)) exec_control |= vmcs12->secondary_vm_exec_control; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 8b8fc0b..20316c6 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -106,6 +106,8 @@ EXPORT_SYMBOL_GPL(kvm_max_guest_tsc_khz); static u32 tsc_tolerance_ppm = 250; module_param(tsc_tolerance_ppm, uint, S_IRUGO | S_IWUSR); +static bool backwards_tsc_observed = false; + #define KVM_NR_SHARED_MSRS 16 struct kvm_shared_msrs_global { @@ -280,7 +282,7 @@ int kvm_set_apic_base(struct kvm_vcpu *vcpu, struct msr_data *msr_info) } EXPORT_SYMBOL_GPL(kvm_set_apic_base); -asmlinkage void kvm_spurious_fault(void) +asmlinkage __visible void kvm_spurious_fault(void) { /* Fault while not rebooting. We want the trace. */ BUG(); @@ -1486,7 +1488,8 @@ static void pvclock_update_vm_gtod_copy(struct kvm *kvm) &ka->master_kernel_ns, &ka->master_cycle_now); - ka->use_master_clock = host_tsc_clocksource & vcpus_matched; + ka->use_master_clock = host_tsc_clocksource && vcpus_matched + && !backwards_tsc_observed; if (ka->use_master_clock) atomic_set(&kvm_guest_has_master_clock, 1); @@ -6945,6 +6948,7 @@ int kvm_arch_hardware_enable(void *garbage) */ if (backwards_tsc) { u64 delta_cyc = max_tsc - local_tsc; + backwards_tsc_observed = true; list_for_each_entry(kvm, &vm_list, vm_list) { kvm_for_each_vcpu(i, vcpu, kvm) { vcpu->arch.tsc_offset_adjustment += delta_cyc; diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index ad1fb5f..aae9413 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -233,13 +233,13 @@ static void lguest_end_context_switch(struct task_struct *next) * flags word contains all kind of stuff, but in practice Linux only cares * about the interrupt flag. Our "save_flags()" just returns that. */ -asmlinkage unsigned long lguest_save_fl(void) +asmlinkage __visible unsigned long lguest_save_fl(void) { return lguest_data.irq_enabled; } /* Interrupts go off... */ -asmlinkage void lguest_irq_disable(void) +asmlinkage __visible void lguest_irq_disable(void) { lguest_data.irq_enabled = 0; } diff --git a/arch/x86/lib/msr.c b/arch/x86/lib/msr.c index db9db44..4362373 100644 --- a/arch/x86/lib/msr.c +++ b/arch/x86/lib/msr.c @@ -76,7 +76,7 @@ static inline int __flip_bit(u32 msr, u8 bit, bool set) if (m1.q == m.q) return 0; - err = msr_write(msr, &m); + err = msr_write(msr, &m1); if (err) return err; diff --git a/arch/x86/math-emu/errors.c b/arch/x86/math-emu/errors.c index a544908..9e6545f 100644 --- a/arch/x86/math-emu/errors.c +++ b/arch/x86/math-emu/errors.c @@ -302,7 +302,7 @@ static struct { 0x242 in div_Xsig.S */ -asmlinkage void FPU_exception(int n) +asmlinkage __visible void FPU_exception(int n) { int i, int_type; @@ -492,7 +492,7 @@ int real_2op_NaN(FPU_REG const *b, u_char tagb, /* Invalid arith operation on Valid registers */ /* Returns < 0 if the exception is unmasked */ -asmlinkage int arith_invalid(int deststnr) +asmlinkage __visible int arith_invalid(int deststnr) { EXCEPTION(EX_Invalid); @@ -507,7 +507,7 @@ asmlinkage int arith_invalid(int deststnr) } /* Divide a finite number by zero */ -asmlinkage int FPU_divide_by_zero(int deststnr, u_char sign) +asmlinkage __visible int FPU_divide_by_zero(int deststnr, u_char sign) { FPU_REG *dest = &st(deststnr); int tag = TAG_Valid; @@ -539,7 +539,7 @@ int set_precision_flag(int flags) } /* This may be called often, so keep it lean */ -asmlinkage void set_precision_flag_up(void) +asmlinkage __visible void set_precision_flag_up(void) { if (control_word & CW_Precision) partial_status |= (SW_Precision | SW_C1); /* The masked response */ @@ -548,7 +548,7 @@ asmlinkage void set_precision_flag_up(void) } /* This may be called often, so keep it lean */ -asmlinkage void set_precision_flag_down(void) +asmlinkage __visible void set_precision_flag_down(void) { if (control_word & CW_Precision) { /* The masked response */ partial_status &= ~SW_C1; @@ -557,7 +557,7 @@ asmlinkage void set_precision_flag_down(void) EXCEPTION(EX_Precision); } -asmlinkage int denormal_operand(void) +asmlinkage __visible int denormal_operand(void) { if (control_word & CW_Denormal) { /* The masked response */ partial_status |= SW_Denorm_Op; @@ -568,7 +568,7 @@ asmlinkage int denormal_operand(void) } } -asmlinkage int arith_overflow(FPU_REG *dest) +asmlinkage __visible int arith_overflow(FPU_REG *dest) { int tag = TAG_Valid; @@ -596,7 +596,7 @@ asmlinkage int arith_overflow(FPU_REG *dest) } -asmlinkage int arith_underflow(FPU_REG *dest) +asmlinkage __visible int arith_underflow(FPU_REG *dest) { int tag = TAG_Valid; diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index dc01773..6d5663a 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -171,7 +171,7 @@ static struct bpf_binary_header *bpf_alloc_binary(unsigned int proglen, memset(header, 0xcc, sz); /* fill whole space with int3 instructions */ header->pages = sz / PAGE_SIZE; - hole = sz - (proglen + sizeof(*header)); + hole = min(sz - (proglen + sizeof(*header)), PAGE_SIZE - sizeof(*header)); /* insert a random number of int3 instructions before BPF code */ *image_ptr = &header->image[prandom_u32() % hole]; diff --git a/arch/x86/platform/efi/early_printk.c b/arch/x86/platform/efi/early_printk.c index 81b506d..5241421 100644 --- a/arch/x86/platform/efi/early_printk.c +++ b/arch/x86/platform/efi/early_printk.c @@ -14,48 +14,92 @@ static const struct font_desc *font; static u32 efi_x, efi_y; +static void *efi_fb; +static bool early_efi_keep; -static __init void early_efi_clear_scanline(unsigned int y) +/* + * efi earlyprintk need use early_ioremap to map the framebuffer. + * But early_ioremap is not usable for earlyprintk=efi,keep, ioremap should + * be used instead. ioremap will be available after paging_init() which is + * earlier than initcall callbacks. Thus adding this early initcall function + * early_efi_map_fb to map the whole efi framebuffer. + */ +static __init int early_efi_map_fb(void) { - unsigned long base, *dst; - u16 len; + unsigned long base, size; + + if (!early_efi_keep) + return 0; base = boot_params.screen_info.lfb_base; - len = boot_params.screen_info.lfb_linelength; + size = boot_params.screen_info.lfb_size; + efi_fb = ioremap(base, size); + + return efi_fb ? 0 : -ENOMEM; +} +early_initcall(early_efi_map_fb); + +/* + * early_efi_map maps efi framebuffer region [start, start + len -1] + * In case earlyprintk=efi,keep we have the whole framebuffer mapped already + * so just return the offset efi_fb + start. + */ +static __init_refok void *early_efi_map(unsigned long start, unsigned long len) +{ + unsigned long base; + + base = boot_params.screen_info.lfb_base; + + if (efi_fb) + return (efi_fb + start); + else + return early_ioremap(base + start, len); +} - dst = early_ioremap(base + y*len, len); +static __init_refok void early_efi_unmap(void *addr, unsigned long len) +{ + if (!efi_fb) + early_iounmap(addr, len); +} + +static void early_efi_clear_scanline(unsigned int y) +{ + unsigned long *dst; + u16 len; + + len = boot_params.screen_info.lfb_linelength; + dst = early_efi_map(y*len, len); if (!dst) return; memset(dst, 0, len); - early_iounmap(dst, len); + early_efi_unmap(dst, len); } -static __init void early_efi_scroll_up(void) +static void early_efi_scroll_up(void) { - unsigned long base, *dst, *src; + unsigned long *dst, *src; u16 len; u32 i, height; - base = boot_params.screen_info.lfb_base; len = boot_params.screen_info.lfb_linelength; height = boot_params.screen_info.lfb_height; for (i = 0; i < height - font->height; i++) { - dst = early_ioremap(base + i*len, len); + dst = early_efi_map(i*len, len); if (!dst) return; - src = early_ioremap(base + (i + font->height) * len, len); + src = early_efi_map((i + font->height) * len, len); if (!src) { - early_iounmap(dst, len); + early_efi_unmap(dst, len); return; } memmove(dst, src, len); - early_iounmap(src, len); - early_iounmap(dst, len); + early_efi_unmap(src, len); + early_efi_unmap(dst, len); } } @@ -79,16 +123,14 @@ static void early_efi_write_char(u32 *dst, unsigned char c, unsigned int h) } } -static __init void +static void early_efi_write(struct console *con, const char *str, unsigned int num) { struct screen_info *si; - unsigned long base; unsigned int len; const char *s; void *dst; - base = boot_params.screen_info.lfb_base; si = &boot_params.screen_info; len = si->lfb_linelength; @@ -109,7 +151,7 @@ early_efi_write(struct console *con, const char *str, unsigned int num) for (h = 0; h < font->height; h++) { unsigned int n, x; - dst = early_ioremap(base + (efi_y + h) * len, len); + dst = early_efi_map((efi_y + h) * len, len); if (!dst) return; @@ -123,7 +165,7 @@ early_efi_write(struct console *con, const char *str, unsigned int num) s++; } - early_iounmap(dst, len); + early_efi_unmap(dst, len); } num -= count; @@ -179,6 +221,9 @@ static __init int early_efi_setup(struct console *con, char *options) for (i = 0; i < (yres - efi_y) / font->height; i++) early_efi_scroll_up(); + /* early_console_register will unset CON_BOOT in case ,keep */ + if (!(con->flags & CON_BOOT)) + early_efi_keep = true; return 0; } diff --git a/arch/x86/platform/olpc/olpc-xo1-pm.c b/arch/x86/platform/olpc/olpc-xo1-pm.c index ff0174d..a9acde7 100644 --- a/arch/x86/platform/olpc/olpc-xo1-pm.c +++ b/arch/x86/platform/olpc/olpc-xo1-pm.c @@ -75,7 +75,7 @@ static int xo1_power_state_enter(suspend_state_t pm_state) return 0; } -asmlinkage int xo1_do_sleep(u8 sleep_state) +asmlinkage __visible int xo1_do_sleep(u8 sleep_state) { void *pgd_addr = __va(read_cr3()); diff --git a/arch/x86/power/hibernate_64.c b/arch/x86/power/hibernate_64.c index 304fca2..35e2bb6 100644 --- a/arch/x86/power/hibernate_64.c +++ b/arch/x86/power/hibernate_64.c @@ -23,7 +23,7 @@ extern __visible const void __nosave_begin, __nosave_end; /* Defined in hibernate_asm_64.S */ -extern asmlinkage int restore_image(void); +extern asmlinkage __visible int restore_image(void); /* * Address to jump to in the last phase of restore in order to get to the image diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c index 0034898..e1f220e 100644 --- a/arch/x86/vdso/vdso32-setup.c +++ b/arch/x86/vdso/vdso32-setup.c @@ -39,6 +39,7 @@ #ifdef CONFIG_X86_64 #define vdso_enabled sysctl_vsyscall32 #define arch_setup_additional_pages syscall32_setup_pages +extern int sysctl_ldt16; #endif /* @@ -249,6 +250,13 @@ static struct ctl_table abi_table2[] = { .mode = 0644, .proc_handler = proc_dointvec }, + { + .procname = "ldt16", + .data = &sysctl_ldt16, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec + }, {} }; diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 201d09a..f17b292 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1339,6 +1339,7 @@ xen_panic_event(struct notifier_block *this, unsigned long event, void *ptr) static struct notifier_block xen_panic_block = { .notifier_call= xen_panic_event, + .priority = INT_MIN }; int xen_panic_handler_init(void) @@ -1515,7 +1516,7 @@ static void __init xen_pvh_early_guest_init(void) } /* First C function to be called on Xen boot */ -asmlinkage void __init xen_start_kernel(void) +asmlinkage __visible void __init xen_start_kernel(void) { struct physdev_set_iopl set_iopl; int rc; diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c index 08f763d..a1207cb 100644 --- a/arch/x86/xen/irq.c +++ b/arch/x86/xen/irq.c @@ -23,7 +23,7 @@ void xen_force_evtchn_callback(void) (void)HYPERVISOR_xen_version(0, NULL); } -asmlinkage unsigned long xen_save_fl(void) +asmlinkage __visible unsigned long xen_save_fl(void) { struct vcpu_info *vcpu; unsigned long flags; @@ -63,7 +63,7 @@ __visible void xen_restore_fl(unsigned long flags) } PV_CALLEE_SAVE_REGS_THUNK(xen_restore_fl); -asmlinkage void xen_irq_disable(void) +asmlinkage __visible void xen_irq_disable(void) { /* There's a one instruction preempt window here. We need to make sure we're don't switch CPUs between getting the vcpu @@ -74,7 +74,7 @@ asmlinkage void xen_irq_disable(void) } PV_CALLEE_SAVE_REGS_THUNK(xen_irq_disable); -asmlinkage void xen_irq_enable(void) +asmlinkage __visible void xen_irq_enable(void) { struct vcpu_info *vcpu; diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 86e02ea..6f6e15d 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -2510,6 +2510,95 @@ void __init xen_hvm_init_mmu_ops(void) } #endif +#ifdef CONFIG_XEN_PVH +/* + * Map foreign gfn (fgfn), to local pfn (lpfn). This for the user + * space creating new guest on pvh dom0 and needing to map domU pages. + */ +static int xlate_add_to_p2m(unsigned long lpfn, unsigned long fgfn, + unsigned int domid) +{ + int rc, err = 0; + xen_pfn_t gpfn = lpfn; + xen_ulong_t idx = fgfn; + + struct xen_add_to_physmap_range xatp = { + .domid = DOMID_SELF, + .foreign_domid = domid, + .size = 1, + .space = XENMAPSPACE_gmfn_foreign, + }; + set_xen_guest_handle(xatp.idxs, &idx); + set_xen_guest_handle(xatp.gpfns, &gpfn); + set_xen_guest_handle(xatp.errs, &err); + + rc = HYPERVISOR_memory_op(XENMEM_add_to_physmap_range, &xatp); + if (rc < 0) + return rc; + return err; +} + +static int xlate_remove_from_p2m(unsigned long spfn, int count) +{ + struct xen_remove_from_physmap xrp; + int i, rc; + + for (i = 0; i < count; i++) { + xrp.domid = DOMID_SELF; + xrp.gpfn = spfn+i; + rc = HYPERVISOR_memory_op(XENMEM_remove_from_physmap, &xrp); + if (rc) + break; + } + return rc; +} + +struct xlate_remap_data { + unsigned long fgfn; /* foreign domain's gfn */ + pgprot_t prot; + domid_t domid; + int index; + struct page **pages; +}; + +static int xlate_map_pte_fn(pte_t *ptep, pgtable_t token, unsigned long addr, + void *data) +{ + int rc; + struct xlate_remap_data *remap = data; + unsigned long pfn = page_to_pfn(remap->pages[remap->index++]); + pte_t pteval = pte_mkspecial(pfn_pte(pfn, remap->prot)); + + rc = xlate_add_to_p2m(pfn, remap->fgfn, remap->domid); + if (rc) + return rc; + native_set_pte(ptep, pteval); + + return 0; +} + +static int xlate_remap_gfn_range(struct vm_area_struct *vma, + unsigned long addr, unsigned long mfn, + int nr, pgprot_t prot, unsigned domid, + struct page **pages) +{ + int err; + struct xlate_remap_data pvhdata; + + BUG_ON(!pages); + + pvhdata.fgfn = mfn; + pvhdata.prot = prot; + pvhdata.domid = domid; + pvhdata.index = 0; + pvhdata.pages = pages; + err = apply_to_page_range(vma->vm_mm, addr, nr << PAGE_SHIFT, + xlate_map_pte_fn, &pvhdata); + flush_tlb_all(); + return err; +} +#endif + #define REMAP_BATCH_SIZE 16 struct remap_data { @@ -2522,7 +2611,7 @@ static int remap_area_mfn_pte_fn(pte_t *ptep, pgtable_t token, unsigned long addr, void *data) { struct remap_data *rmd = data; - pte_t pte = pte_mkspecial(pfn_pte(rmd->mfn++, rmd->prot)); + pte_t pte = pte_mkspecial(mfn_pte(rmd->mfn++, rmd->prot)); rmd->mmu_update->ptr = virt_to_machine(ptep).maddr; rmd->mmu_update->val = pte_val_ma(pte); @@ -2544,13 +2633,18 @@ int xen_remap_domain_mfn_range(struct vm_area_struct *vma, unsigned long range; int err = 0; - if (xen_feature(XENFEAT_auto_translated_physmap)) - return -EINVAL; - - prot = __pgprot(pgprot_val(prot) | _PAGE_IOMAP); - BUG_ON(!((vma->vm_flags & (VM_PFNMAP | VM_IO)) == (VM_PFNMAP | VM_IO))); + if (xen_feature(XENFEAT_auto_translated_physmap)) { +#ifdef CONFIG_XEN_PVH + /* We need to update the local page tables and the xen HAP */ + return xlate_remap_gfn_range(vma, addr, mfn, nr, prot, + domid, pages); +#else + return -EINVAL; +#endif + } + rmd.mfn = mfn; rmd.prot = prot; @@ -2588,6 +2682,25 @@ int xen_unmap_domain_mfn_range(struct vm_area_struct *vma, if (!pages || !xen_feature(XENFEAT_auto_translated_physmap)) return 0; +#ifdef CONFIG_XEN_PVH + while (numpgs--) { + /* + * The mmu has already cleaned up the process mmu + * resources at this point (lookup_address will return + * NULL). + */ + unsigned long pfn = page_to_pfn(pages[numpgs]); + + xlate_remove_from_p2m(pfn, 1); + } + /* + * We don't need to flush tlbs because as part of + * xlate_remove_from_p2m, the hypervisor will do tlb flushes + * after removing the p2m entries from the EPT/NPT + */ + return 0; +#else return -EINVAL; +#endif } EXPORT_SYMBOL_GPL(xen_unmap_domain_mfn_range); diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index 85e5d78..9bb3d82 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -36,7 +36,7 @@ * pfn_to_mfn(0xc0000)=0xc0000 * * The benefit of this is, that we can assume for non-RAM regions (think - * PCI BARs, or ACPI spaces), we can create mappings easily b/c we + * PCI BARs, or ACPI spaces), we can create mappings easily because we * get the PFN value to match the MFN. * * For this to work efficiently we have one new page p2m_identity and @@ -60,7 +60,7 @@ * There is also a digram of the P2M at the end that can help. * Imagine your E820 looking as so: * - * 1GB 2GB + * 1GB 2GB 4GB * /-------------------+---------\/----\ /----------\ /---+-----\ * | System RAM | Sys RAM ||ACPI| | reserved | | Sys RAM | * \-------------------+---------/\----/ \----------/ \---+-----/ @@ -77,9 +77,8 @@ * of the PFN and the end PFN (263424 and 512256 respectively). The first step * is to reserve_brk a top leaf page if the p2m[1] is missing. The top leaf page * covers 512^2 of page estate (1GB) and in case the start or end PFN is not - * aligned on 512^2*PAGE_SIZE (1GB) we loop on aligned 1GB PFNs from start pfn - * to end pfn. We reserve_brk top leaf pages if they are missing (means they - * point to p2m_mid_missing). + * aligned on 512^2*PAGE_SIZE (1GB) we reserve_brk new middle and leaf pages as + * required to split any existing p2m_mid_missing middle pages. * * With the E820 example above, 263424 is not 1GB aligned so we allocate a * reserve_brk page which will cover the PFNs estate from 0x40000 to 0x80000. @@ -88,7 +87,7 @@ * Next stage is to determine if we need to do a more granular boundary check * on the 4MB (or 2MB depending on architecture) off the start and end pfn's. * We check if the start pfn and end pfn violate that boundary check, and if - * so reserve_brk a middle (p2m[x][y]) leaf page. This way we have a much finer + * so reserve_brk a (p2m[x][y]) leaf page. This way we have a much finer * granularity of setting which PFNs are missing and which ones are identity. * In our example 263424 and 512256 both fail the check so we reserve_brk two * pages. Populate them with INVALID_P2M_ENTRY (so they both have "missing" @@ -102,9 +101,10 @@ * * The next step is to walk from the start pfn to the end pfn setting * the IDENTITY_FRAME_BIT on each PFN. This is done in set_phys_range_identity. - * If we find that the middle leaf is pointing to p2m_missing we can swap it - * over to p2m_identity - this way covering 4MB (or 2MB) PFN space. At this - * point we do not need to worry about boundary aligment (so no need to + * If we find that the middle entry is pointing to p2m_missing we can swap it + * over to p2m_identity - this way covering 4MB (or 2MB) PFN space (and + * similarly swapping p2m_mid_missing for p2m_mid_identity for larger regions). + * At this point we do not need to worry about boundary aligment (so no need to * reserve_brk a middle page, figure out which PFNs are "missing" and which * ones are identity), as that has been done earlier. If we find that the * middle leaf is not occupied by p2m_identity or p2m_missing, we dereference @@ -118,6 +118,9 @@ * considered missing). In our case, p2m[1][2][0->255] and p2m[1][488][257->511] * contain the INVALID_P2M_ENTRY value and are considered "missing." * + * Finally, the region beyond the end of of the E820 (4 GB in this example) + * is set to be identity (in case there are MMIO regions placed here). + * * This is what the p2m ends up looking (for the E820 above) with this * fabulous drawing: * @@ -129,21 +132,27 @@ * |-----| \ | [p2m_identity]+\\ | .... | * | 2 |--\ \-------------------->| ... | \\ \----------------/ * |-----| \ \---------------/ \\ - * | 3 |\ \ \\ p2m_identity - * |-----| \ \-------------------->/---------------\ /-----------------\ - * | .. +->+ | [p2m_identity]+-->| ~0, ~0, ~0, ... | - * \-----/ / | [p2m_identity]+-->| ..., ~0 | - * / /---------------\ | .... | \-----------------/ - * / | IDENTITY[@0] | /-+-[x], ~0, ~0.. | - * / | IDENTITY[@256]|<----/ \---------------/ - * / | ~0, ~0, .... | - * | \---------------/ - * | - * p2m_mid_missing p2m_missing - * /-----------------\ /------------\ - * | [p2m_missing] +---->| ~0, ~0, ~0 | - * | [p2m_missing] +---->| ..., ~0 | - * \-----------------/ \------------/ + * | 3 |-\ \ \\ p2m_identity [1] + * |-----| \ \-------------------->/---------------\ /-----------------\ + * | .. |\ | | [p2m_identity]+-->| ~0, ~0, ~0, ... | + * \-----/ | | | [p2m_identity]+-->| ..., ~0 | + * | | | .... | \-----------------/ + * | | +-[x], ~0, ~0.. +\ + * | | \---------------/ \ + * | | \-> /---------------\ + * | V p2m_mid_missing p2m_missing | IDENTITY[@0] | + * | /-----------------\ /------------\ | IDENTITY[@256]| + * | | [p2m_missing] +---->| ~0, ~0, ...| | ~0, ~0, .... | + * | | [p2m_missing] +---->| ..., ~0 | \---------------/ + * | | ... | \------------/ + * | \-----------------/ + * | + * | p2m_mid_identity + * | /-----------------\ + * \-->| [p2m_identity] +---->[1] + * | [p2m_identity] +---->[1] + * | ... | + * \-----------------/ * * where ~0 is INVALID_P2M_ENTRY. IDENTITY is (PFN | IDENTITY_BIT) */ @@ -187,13 +196,15 @@ static RESERVE_BRK_ARRAY(unsigned long, p2m_top_mfn, P2M_TOP_PER_PAGE); static RESERVE_BRK_ARRAY(unsigned long *, p2m_top_mfn_p, P2M_TOP_PER_PAGE); static RESERVE_BRK_ARRAY(unsigned long, p2m_identity, P2M_PER_PAGE); +static RESERVE_BRK_ARRAY(unsigned long *, p2m_mid_identity, P2M_MID_PER_PAGE); +static RESERVE_BRK_ARRAY(unsigned long, p2m_mid_identity_mfn, P2M_MID_PER_PAGE); RESERVE_BRK(p2m_mid, PAGE_SIZE * (MAX_DOMAIN_PAGES / (P2M_PER_PAGE * P2M_MID_PER_PAGE))); RESERVE_BRK(p2m_mid_mfn, PAGE_SIZE * (MAX_DOMAIN_PAGES / (P2M_PER_PAGE * P2M_MID_PER_PAGE))); /* We might hit two boundary violations at the start and end, at max each * boundary violation will require three middle nodes. */ -RESERVE_BRK(p2m_mid_identity, PAGE_SIZE * 2 * 3); +RESERVE_BRK(p2m_mid_extra, PAGE_SIZE * 2 * 3); /* When we populate back during bootup, the amount of pages can vary. The * max we have is seen is 395979, but that does not mean it can't be more. @@ -242,20 +253,20 @@ static void p2m_top_mfn_p_init(unsigned long **top) top[i] = p2m_mid_missing_mfn; } -static void p2m_mid_init(unsigned long **mid) +static void p2m_mid_init(unsigned long **mid, unsigned long *leaf) { unsigned i; for (i = 0; i < P2M_MID_PER_PAGE; i++) - mid[i] = p2m_missing; + mid[i] = leaf; } -static void p2m_mid_mfn_init(unsigned long *mid) +static void p2m_mid_mfn_init(unsigned long *mid, unsigned long *leaf) { unsigned i; for (i = 0; i < P2M_MID_PER_PAGE; i++) - mid[i] = virt_to_mfn(p2m_missing); + mid[i] = virt_to_mfn(leaf); } static void p2m_init(unsigned long *p2m) @@ -286,7 +297,9 @@ void __ref xen_build_mfn_list_list(void) /* Pre-initialize p2m_top_mfn to be completely missing */ if (p2m_top_mfn == NULL) { p2m_mid_missing_mfn = extend_brk(PAGE_SIZE, PAGE_SIZE); - p2m_mid_mfn_init(p2m_mid_missing_mfn); + p2m_mid_mfn_init(p2m_mid_missing_mfn, p2m_missing); + p2m_mid_identity_mfn = extend_brk(PAGE_SIZE, PAGE_SIZE); + p2m_mid_mfn_init(p2m_mid_identity_mfn, p2m_identity); p2m_top_mfn_p = extend_brk(PAGE_SIZE, PAGE_SIZE); p2m_top_mfn_p_init(p2m_top_mfn_p); @@ -295,7 +308,8 @@ void __ref xen_build_mfn_list_list(void) p2m_top_mfn_init(p2m_top_mfn); } else { /* Reinitialise, mfn's all change after migration */ - p2m_mid_mfn_init(p2m_mid_missing_mfn); + p2m_mid_mfn_init(p2m_mid_missing_mfn, p2m_missing); + p2m_mid_mfn_init(p2m_mid_identity_mfn, p2m_identity); } for (pfn = 0; pfn < xen_max_p2m_pfn; pfn += P2M_PER_PAGE) { @@ -327,7 +341,7 @@ void __ref xen_build_mfn_list_list(void) * it too late. */ mid_mfn_p = extend_brk(PAGE_SIZE, PAGE_SIZE); - p2m_mid_mfn_init(mid_mfn_p); + p2m_mid_mfn_init(mid_mfn_p, p2m_missing); p2m_top_mfn_p[topidx] = mid_mfn_p; } @@ -365,16 +379,17 @@ void __init xen_build_dynamic_phys_to_machine(void) p2m_missing = extend_brk(PAGE_SIZE, PAGE_SIZE); p2m_init(p2m_missing); + p2m_identity = extend_brk(PAGE_SIZE, PAGE_SIZE); + p2m_init(p2m_identity); p2m_mid_missing = extend_brk(PAGE_SIZE, PAGE_SIZE); - p2m_mid_init(p2m_mid_missing); + p2m_mid_init(p2m_mid_missing, p2m_missing); + p2m_mid_identity = extend_brk(PAGE_SIZE, PAGE_SIZE); + p2m_mid_init(p2m_mid_identity, p2m_identity); p2m_top = extend_brk(PAGE_SIZE, PAGE_SIZE); p2m_top_init(p2m_top); - p2m_identity = extend_brk(PAGE_SIZE, PAGE_SIZE); - p2m_init(p2m_identity); - /* * The domain builder gives us a pre-constructed p2m array in * mfn_list for all the pages initially given to us, so we just @@ -386,7 +401,7 @@ void __init xen_build_dynamic_phys_to_machine(void) if (p2m_top[topidx] == p2m_mid_missing) { unsigned long **mid = extend_brk(PAGE_SIZE, PAGE_SIZE); - p2m_mid_init(mid); + p2m_mid_init(mid, p2m_missing); p2m_top[topidx] = mid; } @@ -492,7 +507,7 @@ unsigned long get_phys_to_machine(unsigned long pfn) unsigned topidx, mididx, idx; if (unlikely(pfn >= MAX_P2M_PFN)) - return INVALID_P2M_ENTRY; + return IDENTITY_FRAME(pfn); topidx = p2m_top_index(pfn); mididx = p2m_mid_index(pfn); @@ -545,7 +560,7 @@ static bool alloc_p2m(unsigned long pfn) if (!mid) return false; - p2m_mid_init(mid); + p2m_mid_init(mid, p2m_missing); if (cmpxchg(top_p, p2m_mid_missing, mid) != p2m_mid_missing) free_p2m_page(mid); @@ -565,7 +580,7 @@ static bool alloc_p2m(unsigned long pfn) if (!mid_mfn) return false; - p2m_mid_mfn_init(mid_mfn); + p2m_mid_mfn_init(mid_mfn, p2m_missing); missing_mfn = virt_to_mfn(p2m_mid_missing_mfn); mid_mfn_mfn = virt_to_mfn(mid_mfn); @@ -596,7 +611,7 @@ static bool alloc_p2m(unsigned long pfn) return true; } -static bool __init early_alloc_p2m_middle(unsigned long pfn, bool check_boundary) +static bool __init early_alloc_p2m(unsigned long pfn, bool check_boundary) { unsigned topidx, mididx, idx; unsigned long *p2m; @@ -638,7 +653,7 @@ static bool __init early_alloc_p2m_middle(unsigned long pfn, bool check_boundary return true; } -static bool __init early_alloc_p2m(unsigned long pfn) +static bool __init early_alloc_p2m_middle(unsigned long pfn) { unsigned topidx = p2m_top_index(pfn); unsigned long *mid_mfn_p; @@ -649,7 +664,7 @@ static bool __init early_alloc_p2m(unsigned long pfn) if (mid == p2m_mid_missing) { mid = extend_brk(PAGE_SIZE, PAGE_SIZE); - p2m_mid_init(mid); + p2m_mid_init(mid, p2m_missing); p2m_top[topidx] = mid; @@ -658,12 +673,12 @@ static bool __init early_alloc_p2m(unsigned long pfn) /* And the save/restore P2M tables.. */ if (mid_mfn_p == p2m_mid_missing_mfn) { mid_mfn_p = extend_brk(PAGE_SIZE, PAGE_SIZE); - p2m_mid_mfn_init(mid_mfn_p); + p2m_mid_mfn_init(mid_mfn_p, p2m_missing); p2m_top_mfn_p[topidx] = mid_mfn_p; p2m_top_mfn[topidx] = virt_to_mfn(mid_mfn_p); /* Note: we don't set mid_mfn_p[midix] here, - * look in early_alloc_p2m_middle */ + * look in early_alloc_p2m() */ } return true; } @@ -739,7 +754,7 @@ found: /* This shouldn't happen */ if (WARN_ON(p2m_top[topidx] == p2m_mid_missing)) - early_alloc_p2m(set_pfn); + early_alloc_p2m_middle(set_pfn); if (WARN_ON(p2m_top[topidx][mididx] != p2m_missing)) return false; @@ -754,13 +769,13 @@ found: bool __init early_set_phys_to_machine(unsigned long pfn, unsigned long mfn) { if (unlikely(!__set_phys_to_machine(pfn, mfn))) { - if (!early_alloc_p2m(pfn)) + if (!early_alloc_p2m_middle(pfn)) return false; if (early_can_reuse_p2m_middle(pfn, mfn)) return __set_phys_to_machine(pfn, mfn); - if (!early_alloc_p2m_middle(pfn, false /* boundary crossover OK!*/)) + if (!early_alloc_p2m(pfn, false /* boundary crossover OK!*/)) return false; if (!__set_phys_to_machine(pfn, mfn)) @@ -769,12 +784,30 @@ bool __init early_set_phys_to_machine(unsigned long pfn, unsigned long mfn) return true; } + +static void __init early_split_p2m(unsigned long pfn) +{ + unsigned long mididx, idx; + + mididx = p2m_mid_index(pfn); + idx = p2m_index(pfn); + + /* + * Allocate new middle and leaf pages if this pfn lies in the + * middle of one. + */ + if (mididx || idx) + early_alloc_p2m_middle(pfn); + if (idx) + early_alloc_p2m(pfn, false); +} + unsigned long __init set_phys_range_identity(unsigned long pfn_s, unsigned long pfn_e) { unsigned long pfn; - if (unlikely(pfn_s >= MAX_P2M_PFN || pfn_e >= MAX_P2M_PFN)) + if (unlikely(pfn_s >= MAX_P2M_PFN)) return 0; if (unlikely(xen_feature(XENFEAT_auto_translated_physmap))) @@ -783,19 +816,30 @@ unsigned long __init set_phys_range_identity(unsigned long pfn_s, if (pfn_s > pfn_e) return 0; - for (pfn = (pfn_s & ~(P2M_MID_PER_PAGE * P2M_PER_PAGE - 1)); - pfn < ALIGN(pfn_e, (P2M_MID_PER_PAGE * P2M_PER_PAGE)); - pfn += P2M_MID_PER_PAGE * P2M_PER_PAGE) - { - WARN_ON(!early_alloc_p2m(pfn)); - } + if (pfn_e > MAX_P2M_PFN) + pfn_e = MAX_P2M_PFN; - early_alloc_p2m_middle(pfn_s, true); - early_alloc_p2m_middle(pfn_e, true); + early_split_p2m(pfn_s); + early_split_p2m(pfn_e); + + for (pfn = pfn_s; pfn < pfn_e;) { + unsigned topidx = p2m_top_index(pfn); + unsigned mididx = p2m_mid_index(pfn); - for (pfn = pfn_s; pfn < pfn_e; pfn++) if (!__set_phys_to_machine(pfn, IDENTITY_FRAME(pfn))) break; + pfn++; + + /* + * If the PFN was set to a middle or leaf identity + * page the remainder must also be identity, so skip + * ahead to the next middle or leaf entry. + */ + if (p2m_top[topidx] == p2m_mid_identity) + pfn = ALIGN(pfn, P2M_MID_PER_PAGE * P2M_PER_PAGE); + else if (p2m_top[topidx][mididx] == p2m_identity) + pfn = ALIGN(pfn, P2M_PER_PAGE); + } if (!WARN((pfn - pfn_s) != (pfn_e - pfn_s), "Identity mapping failed. We are %ld short of 1-1 mappings!\n", @@ -825,8 +869,22 @@ bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn) /* For sparse holes were the p2m leaf has real PFN along with * PCI holes, stick in the PFN as the MFN value. + * + * set_phys_range_identity() will have allocated new middle + * and leaf pages as required so an existing p2m_mid_missing + * or p2m_missing mean that whole range will be identity so + * these can be switched to p2m_mid_identity or p2m_identity. */ if (mfn != INVALID_P2M_ENTRY && (mfn & IDENTITY_FRAME_BIT)) { + if (p2m_top[topidx] == p2m_mid_identity) + return true; + + if (p2m_top[topidx] == p2m_mid_missing) { + WARN_ON(cmpxchg(&p2m_top[topidx], p2m_mid_missing, + p2m_mid_identity) != p2m_mid_missing); + return true; + } + if (p2m_top[topidx][mididx] == p2m_identity) return true; diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index 0982233..210426a 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -89,10 +89,10 @@ static void __init xen_add_extra_mem(u64 start, u64 size) for (pfn = PFN_DOWN(start); pfn < xen_max_p2m_pfn; pfn++) { unsigned long mfn = pfn_to_mfn(pfn); - if (WARN(mfn == pfn, "Trying to over-write 1-1 mapping (pfn: %lx)\n", pfn)) + if (WARN_ONCE(mfn == pfn, "Trying to over-write 1-1 mapping (pfn: %lx)\n", pfn)) continue; - WARN(mfn != INVALID_P2M_ENTRY, "Trying to remove %lx which has %lx mfn!\n", - pfn, mfn); + WARN_ONCE(mfn != INVALID_P2M_ENTRY, "Trying to remove %lx which has %lx mfn!\n", + pfn, mfn); __set_phys_to_machine(pfn, INVALID_P2M_ENTRY); } @@ -469,6 +469,15 @@ char * __init xen_memory_setup(void) } /* + * Set the rest as identity mapped, in case PCI BARs are + * located here. + * + * PFNs above MAX_P2M_PFN are considered identity mapped as + * well. + */ + set_phys_range_identity(map[i-1].addr / PAGE_SIZE, ~0ul); + + /* * In domU, the ISA region is normal, usable memory, but we * reserve ISA memory anyway because too many things poke * about in there. diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c index 45329c8..c4df9db 100644 --- a/arch/x86/xen/suspend.c +++ b/arch/x86/xen/suspend.c @@ -12,8 +12,10 @@ #include "xen-ops.h" #include "mmu.h" -void xen_arch_pre_suspend(void) +static void xen_pv_pre_suspend(void) { + xen_mm_pin_all(); + xen_start_info->store_mfn = mfn_to_pfn(xen_start_info->store_mfn); xen_start_info->console.domU.mfn = mfn_to_pfn(xen_start_info->console.domU.mfn); @@ -26,7 +28,7 @@ void xen_arch_pre_suspend(void) BUG(); } -void xen_arch_hvm_post_suspend(int suspend_cancelled) +static void xen_hvm_post_suspend(int suspend_cancelled) { #ifdef CONFIG_XEN_PVHVM int cpu; @@ -41,7 +43,7 @@ void xen_arch_hvm_post_suspend(int suspend_cancelled) #endif } -void xen_arch_post_suspend(int suspend_cancelled) +static void xen_pv_post_suspend(int suspend_cancelled) { xen_build_mfn_list_list(); @@ -60,6 +62,21 @@ void xen_arch_post_suspend(int suspend_cancelled) xen_vcpu_restore(); } + xen_mm_unpin_all(); +} + +void xen_arch_pre_suspend(void) +{ + if (xen_pv_domain()) + xen_pv_pre_suspend(); +} + +void xen_arch_post_suspend(int cancelled) +{ + if (xen_pv_domain()) + xen_pv_post_suspend(cancelled); + else + xen_hvm_post_suspend(cancelled); } static void xen_vcpu_notify_restore(void *data) diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index 1cb6f4c..c834d4b 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -31,6 +31,8 @@ void xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn); void xen_reserve_top(void); extern unsigned long xen_max_p2m_pfn; +void xen_mm_pin_all(void); +void xen_mm_unpin_all(void); void xen_set_pat(u64); char * __init xen_memory_setup(void); diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 02d6d29..3a617af 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -14,6 +14,7 @@ config XTENSA select GENERIC_PCI_IOMAP select ARCH_WANT_IPC_PARSE_VERSION select ARCH_WANT_OPTIONAL_GPIOLIB + select BUILDTIME_EXTABLE_SORT select CLONE_BACKWARDS select IRQ_DOMAIN select HAVE_OPROFILE @@ -189,6 +190,24 @@ config INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX If in doubt, say Y. +config HIGHMEM + bool "High Memory Support" + help + Linux can use the full amount of RAM in the system by + default. However, the default MMUv2 setup only maps the + lowermost 128 MB of memory linearly to the areas starting + at 0xd0000000 (cached) and 0xd8000000 (uncached). + When there are more than 128 MB memory in the system not + all of it can be "permanently mapped" by the kernel. + The physical memory that's not permanently mapped is called + "high memory". + + If you are compiling a kernel which will never run on a + machine with more than 128 MB total physical RAM, answer + N here. + + If unsure, say Y. + endmenu config XTENSA_CALIBRATE_CCOUNT @@ -224,7 +243,6 @@ choice config XTENSA_PLATFORM_ISS bool "ISS" - depends on TTY select XTENSA_CALIBRATE_CCOUNT select SERIAL_CONSOLE help diff --git a/arch/xtensa/boot/dts/kc705.dts b/arch/xtensa/boot/dts/kc705.dts new file mode 100644 index 0000000..742a347 --- /dev/null +++ b/arch/xtensa/boot/dts/kc705.dts @@ -0,0 +1,11 @@ +/dts-v1/; +/include/ "xtfpga.dtsi" +/include/ "xtfpga-flash-128m.dtsi" + +/ { + compatible = "cdns,xtensa-kc705"; + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x08000000>; + }; +}; diff --git a/arch/xtensa/boot/dts/xtfpga-flash-128m.dtsi b/arch/xtensa/boot/dts/xtfpga-flash-128m.dtsi new file mode 100644 index 0000000..d3a88e0 --- /dev/null +++ b/arch/xtensa/boot/dts/xtfpga-flash-128m.dtsi @@ -0,0 +1,28 @@ +/ { + soc { + flash: flash@00000000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "cfi-flash"; + reg = <0x00000000 0x08000000>; + bank-width = <2>; + device-width = <2>; + partition@0x0 { + label = "data"; + reg = <0x00000000 0x06000000>; + }; + partition@0x6000000 { + label = "boot loader area"; + reg = <0x06000000 0x00800000>; + }; + partition@0x6800000 { + label = "kernel image"; + reg = <0x06800000 0x017e0000>; + }; + partition@0x7fe0000 { + label = "boot environment"; + reg = <0x07fe0000 0x00020000>; + }; + }; + }; +}; diff --git a/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi b/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi index e5703c7..1d97203 100644 --- a/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi +++ b/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi @@ -1,26 +1,28 @@ / { - flash: flash@f8000000 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "cfi-flash"; - reg = <0xf8000000 0x01000000>; - bank-width = <2>; - device-width = <2>; - partition@0x0 { - label = "boot loader area"; - reg = <0x00000000 0x00400000>; + soc { + flash: flash@08000000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "cfi-flash"; + reg = <0x08000000 0x01000000>; + bank-width = <2>; + device-width = <2>; + partition@0x0 { + label = "boot loader area"; + reg = <0x00000000 0x00400000>; + }; + partition@0x400000 { + label = "kernel image"; + reg = <0x00400000 0x00600000>; + }; + partition@0xa00000 { + label = "data"; + reg = <0x00a00000 0x005e0000>; + }; + partition@0xfe0000 { + label = "boot environment"; + reg = <0x00fe0000 0x00020000>; + }; }; - partition@0x400000 { - label = "kernel image"; - reg = <0x00400000 0x00600000>; - }; - partition@0xa00000 { - label = "data"; - reg = <0x00a00000 0x005e0000>; - }; - partition@0xfe0000 { - label = "boot environment"; - reg = <0x00fe0000 0x00020000>; - }; - }; + }; }; diff --git a/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi b/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi index 6f9c10d..d1c621c 100644 --- a/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi +++ b/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi @@ -1,18 +1,20 @@ / { - flash: flash@f8000000 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "cfi-flash"; - reg = <0xf8000000 0x00400000>; - bank-width = <2>; - device-width = <2>; - partition@0x0 { - label = "boot loader area"; - reg = <0x00000000 0x003f0000>; + soc { + flash: flash@08000000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "cfi-flash"; + reg = <0x08000000 0x00400000>; + bank-width = <2>; + device-width = <2>; + partition@0x0 { + label = "boot loader area"; + reg = <0x00000000 0x003f0000>; + }; + partition@0x3f0000 { + label = "boot environment"; + reg = <0x003f0000 0x00010000>; + }; }; - partition@0x3f0000 { - label = "boot environment"; - reg = <0x003f0000 0x00010000>; - }; - }; + }; }; diff --git a/arch/xtensa/boot/dts/xtfpga.dtsi b/arch/xtensa/boot/dts/xtfpga.dtsi index e7370b1..dec9178 100644 --- a/arch/xtensa/boot/dts/xtfpga.dtsi +++ b/arch/xtensa/boot/dts/xtfpga.dtsi @@ -42,21 +42,28 @@ }; }; - serial0: serial@fd050020 { - device_type = "serial"; - compatible = "ns16550a"; - no-loopback-test; - reg = <0xfd050020 0x20>; - reg-shift = <2>; - interrupts = <0 1>; /* external irq 0 */ - clocks = <&osc>; - }; + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + ranges = <0x00000000 0xf0000000 0x10000000>; - enet0: ethoc@fd030000 { - compatible = "opencores,ethoc"; - reg = <0xfd030000 0x4000 0xfd800000 0x4000>; - interrupts = <1 1>; /* external irq 1 */ - local-mac-address = [00 50 c2 13 6f 00]; - clocks = <&osc>; + serial0: serial@0d050020 { + device_type = "serial"; + compatible = "ns16550a"; + no-loopback-test; + reg = <0x0d050020 0x20>; + reg-shift = <2>; + interrupts = <0 1>; /* external irq 0 */ + clocks = <&osc>; + }; + + enet0: ethoc@0d030000 { + compatible = "opencores,ethoc"; + reg = <0x0d030000 0x4000 0x0d800000 0x4000>; + interrupts = <1 1>; /* external irq 1 */ + local-mac-address = [00 50 c2 13 6f 00]; + clocks = <&osc>; + }; }; }; diff --git a/arch/xtensa/include/asm/bootparam.h b/arch/xtensa/include/asm/bootparam.h index 23392c5..892aab3 100644 --- a/arch/xtensa/include/asm/bootparam.h +++ b/arch/xtensa/include/asm/bootparam.h @@ -37,23 +37,14 @@ typedef struct bp_tag { unsigned long data[0]; /* data */ } bp_tag_t; -typedef struct meminfo { +struct bp_meminfo { unsigned long type; unsigned long start; unsigned long end; -} meminfo_t; - -#define SYSMEM_BANKS_MAX 5 +}; #define MEMORY_TYPE_CONVENTIONAL 0x1000 #define MEMORY_TYPE_NONE 0x2000 -typedef struct sysmem_info { - int nr_banks; - meminfo_t bank[SYSMEM_BANKS_MAX]; -} sysmem_info_t; - -extern sysmem_info_t sysmem; - #endif #endif diff --git a/arch/xtensa/include/asm/fixmap.h b/arch/xtensa/include/asm/fixmap.h new file mode 100644 index 0000000..9f6c33d0 --- /dev/null +++ b/arch/xtensa/include/asm/fixmap.h @@ -0,0 +1,58 @@ +/* + * fixmap.h: compile-time virtual memory allocation + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1998 Ingo Molnar + * + * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999 + */ + +#ifndef _ASM_FIXMAP_H +#define _ASM_FIXMAP_H + +#include <asm/pgtable.h> +#ifdef CONFIG_HIGHMEM +#include <linux/threads.h> +#include <asm/kmap_types.h> +#endif + +/* + * Here we define all the compile-time 'special' virtual + * addresses. The point is to have a constant address at + * compile time, but to set the physical address only + * in the boot process. We allocate these special addresses + * from the end of the consistent memory region backwards. + * Also this lets us do fail-safe vmalloc(), we + * can guarantee that these special addresses and + * vmalloc()-ed addresses never overlap. + * + * these 'compile-time allocated' memory buffers are + * fixed-size 4k pages. (or larger if used with an increment + * higher than 1) use fixmap_set(idx,phys) to associate + * physical memory with fixmap indices. + */ +enum fixed_addresses { +#ifdef CONFIG_HIGHMEM + /* reserved pte's for temporary kernel mappings */ + FIX_KMAP_BEGIN, + FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS) - 1, +#endif + __end_of_fixed_addresses +}; + +#define FIXADDR_TOP (VMALLOC_START - PAGE_SIZE) +#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) +#define FIXADDR_START ((FIXADDR_TOP - FIXADDR_SIZE) & PMD_MASK) + +#include <asm-generic/fixmap.h> + +#define kmap_get_fixmap_pte(vaddr) \ + pte_offset_kernel( \ + pmd_offset(pud_offset(pgd_offset_k(vaddr), (vaddr)), (vaddr)), \ + (vaddr) \ + ) + +#endif diff --git a/arch/xtensa/include/asm/highmem.h b/arch/xtensa/include/asm/highmem.h index 80be151..2653ef5 100644 --- a/arch/xtensa/include/asm/highmem.h +++ b/arch/xtensa/include/asm/highmem.h @@ -6,11 +6,54 @@ * this archive for more details. * * Copyright (C) 2003 - 2005 Tensilica Inc. + * Copyright (C) 2014 Cadence Design Systems Inc. */ #ifndef _XTENSA_HIGHMEM_H #define _XTENSA_HIGHMEM_H -extern void flush_cache_kmaps(void); +#include <asm/cacheflush.h> +#include <asm/fixmap.h> +#include <asm/kmap_types.h> +#include <asm/pgtable.h> + +#define PKMAP_BASE (FIXADDR_START - PMD_SIZE) +#define LAST_PKMAP PTRS_PER_PTE +#define LAST_PKMAP_MASK (LAST_PKMAP - 1) +#define PKMAP_NR(virt) (((virt) - PKMAP_BASE) >> PAGE_SHIFT) +#define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT)) + +#define kmap_prot PAGE_KERNEL + +extern pte_t *pkmap_page_table; + +void *kmap_high(struct page *page); +void kunmap_high(struct page *page); + +static inline void *kmap(struct page *page) +{ + BUG_ON(in_interrupt()); + if (!PageHighMem(page)) + return page_address(page); + return kmap_high(page); +} + +static inline void kunmap(struct page *page) +{ + BUG_ON(in_interrupt()); + if (!PageHighMem(page)) + return; + kunmap_high(page); +} + +static inline void flush_cache_kmaps(void) +{ + flush_cache_all(); +} + +void *kmap_atomic(struct page *page); +void __kunmap_atomic(void *kvaddr); + +void kmap_init(void); #endif diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h index 2164462..4b0ca35 100644 --- a/arch/xtensa/include/asm/pgtable.h +++ b/arch/xtensa/include/asm/pgtable.h @@ -310,6 +310,10 @@ set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pteval) update_pte(ptep, pteval); } +static inline void set_pte(pte_t *ptep, pte_t pteval) +{ + update_pte(ptep, pteval); +} static inline void set_pmd(pmd_t *pmdp, pmd_t pmdval) diff --git a/arch/xtensa/include/asm/sysmem.h b/arch/xtensa/include/asm/sysmem.h new file mode 100644 index 0000000..c015c5c --- /dev/null +++ b/arch/xtensa/include/asm/sysmem.h @@ -0,0 +1,38 @@ +/* + * sysmem-related prototypes. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2014 Cadence Design Systems Inc. + */ + +#ifndef _XTENSA_SYSMEM_H +#define _XTENSA_SYSMEM_H + +#define SYSMEM_BANKS_MAX 31 + +struct meminfo { + unsigned long start; + unsigned long end; +}; + +/* + * Bank array is sorted by .start. + * Banks don't overlap and there's at least one page gap + * between adjacent bank entries. + */ +struct sysmem_info { + int nr_banks; + struct meminfo bank[SYSMEM_BANKS_MAX]; +}; + +extern struct sysmem_info sysmem; + +int add_sysmem_bank(unsigned long start, unsigned long end); +int mem_reserve(unsigned long, unsigned long, int); +void bootmem_init(void); +void zones_init(void); + +#endif /* _XTENSA_SYSMEM_H */ diff --git a/arch/xtensa/include/asm/tlbflush.h b/arch/xtensa/include/asm/tlbflush.h index fc34274..06875feb 100644 --- a/arch/xtensa/include/asm/tlbflush.h +++ b/arch/xtensa/include/asm/tlbflush.h @@ -36,6 +36,7 @@ void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page); void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); +void local_flush_tlb_kernel_range(unsigned long start, unsigned long end); #ifdef CONFIG_SMP @@ -44,12 +45,7 @@ void flush_tlb_mm(struct mm_struct *); void flush_tlb_page(struct vm_area_struct *, unsigned long); void flush_tlb_range(struct vm_area_struct *, unsigned long, unsigned long); - -static inline void flush_tlb_kernel_range(unsigned long start, - unsigned long end) -{ - flush_tlb_all(); -} +void flush_tlb_kernel_range(unsigned long start, unsigned long end); #else /* !CONFIG_SMP */ @@ -58,7 +54,8 @@ static inline void flush_tlb_kernel_range(unsigned long start, #define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page) #define flush_tlb_range(vma, vmaddr, end) local_flush_tlb_range(vma, vmaddr, \ end) -#define flush_tlb_kernel_range(start, end) local_flush_tlb_all() +#define flush_tlb_kernel_range(start, end) local_flush_tlb_kernel_range(start, \ + end) #endif /* CONFIG_SMP */ diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index 84fe931..9757bb7 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -50,6 +50,7 @@ #include <asm/param.h> #include <asm/traps.h> #include <asm/smp.h> +#include <asm/sysmem.h> #include <platform/hardware.h> @@ -88,12 +89,6 @@ static char __initdata command_line[COMMAND_LINE_SIZE]; static char default_command_line[COMMAND_LINE_SIZE] __initdata = CONFIG_CMDLINE; #endif -sysmem_info_t __initdata sysmem; - -extern int mem_reserve(unsigned long, unsigned long, int); -extern void bootmem_init(void); -extern void zones_init(void); - /* * Boot parameter parsing. * @@ -113,31 +108,14 @@ typedef struct tagtable { /* parse current tag */ -static int __init add_sysmem_bank(unsigned long type, unsigned long start, - unsigned long end) -{ - if (sysmem.nr_banks >= SYSMEM_BANKS_MAX) { - printk(KERN_WARNING - "Ignoring memory bank 0x%08lx size %ldKB\n", - start, end - start); - return -EINVAL; - } - sysmem.bank[sysmem.nr_banks].type = type; - sysmem.bank[sysmem.nr_banks].start = PAGE_ALIGN(start); - sysmem.bank[sysmem.nr_banks].end = end & PAGE_MASK; - sysmem.nr_banks++; - - return 0; -} - static int __init parse_tag_mem(const bp_tag_t *tag) { - meminfo_t *mi = (meminfo_t *)(tag->data); + struct bp_meminfo *mi = (struct bp_meminfo *)(tag->data); if (mi->type != MEMORY_TYPE_CONVENTIONAL) return -1; - return add_sysmem_bank(mi->type, mi->start, mi->end); + return add_sysmem_bank(mi->start, mi->end); } __tagtable(BP_TAG_MEMORY, parse_tag_mem); @@ -146,8 +124,8 @@ __tagtable(BP_TAG_MEMORY, parse_tag_mem); static int __init parse_tag_initrd(const bp_tag_t* tag) { - meminfo_t* mi; - mi = (meminfo_t*)(tag->data); + struct bp_meminfo *mi = (struct bp_meminfo *)(tag->data); + initrd_start = (unsigned long)__va(mi->start); initrd_end = (unsigned long)__va(mi->end); @@ -255,7 +233,7 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size) return; size &= PAGE_MASK; - add_sysmem_bank(MEMORY_TYPE_CONVENTIONAL, base, base + size); + add_sysmem_bank(base, base + size); } void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) @@ -292,8 +270,6 @@ device_initcall(xtensa_device_probe); void __init init_arch(bp_tag_t *bp_start) { - sysmem.nr_banks = 0; - /* Parse boot parameters */ if (bp_start) @@ -304,10 +280,9 @@ void __init init_arch(bp_tag_t *bp_start) #endif if (sysmem.nr_banks == 0) { - sysmem.nr_banks = 1; - sysmem.bank[0].start = PLATFORM_DEFAULT_MEM_START; - sysmem.bank[0].end = PLATFORM_DEFAULT_MEM_START - + PLATFORM_DEFAULT_MEM_SIZE; + add_sysmem_bank(PLATFORM_DEFAULT_MEM_START, + PLATFORM_DEFAULT_MEM_START + + PLATFORM_DEFAULT_MEM_SIZE); } #ifdef CONFIG_CMDLINE_BOOL @@ -487,7 +462,7 @@ void __init setup_arch(char **cmdline_p) #ifdef CONFIG_BLK_DEV_INITRD if (initrd_start < initrd_end) { initrd_is_mapped = mem_reserve(__pa(initrd_start), - __pa(initrd_end), 0); + __pa(initrd_end), 0) == 0; initrd_below_start_ok = 1; } else { initrd_start = 0; @@ -532,6 +507,7 @@ void __init setup_arch(char **cmdline_p) __pa(&_Level6InterruptVector_text_end), 0); #endif + parse_early_param(); bootmem_init(); unflatten_and_copy_device_tree(); diff --git a/arch/xtensa/kernel/smp.c b/arch/xtensa/kernel/smp.c index aa8bd87..40b5a37 100644 --- a/arch/xtensa/kernel/smp.c +++ b/arch/xtensa/kernel/smp.c @@ -496,6 +496,21 @@ void flush_tlb_range(struct vm_area_struct *vma, on_each_cpu(ipi_flush_tlb_range, &fd, 1); } +static void ipi_flush_tlb_kernel_range(void *arg) +{ + struct flush_data *fd = arg; + local_flush_tlb_kernel_range(fd->addr1, fd->addr2); +} + +void flush_tlb_kernel_range(unsigned long start, unsigned long end) +{ + struct flush_data fd = { + .addr1 = start, + .addr2 = end, + }; + on_each_cpu(ipi_flush_tlb_kernel_range, &fd, 1); +} + /* Cache flush functions */ static void ipi_flush_cache_all(void *arg) diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c index 80b33ed..4d2872f 100644 --- a/arch/xtensa/kernel/xtensa_ksyms.c +++ b/arch/xtensa/kernel/xtensa_ksyms.c @@ -20,6 +20,7 @@ #include <linux/in6.h> #include <asm/uaccess.h> +#include <asm/cacheflush.h> #include <asm/checksum.h> #include <asm/dma.h> #include <asm/io.h> @@ -105,6 +106,7 @@ EXPORT_SYMBOL(csum_partial_copy_generic); * Architecture-specific symbols */ EXPORT_SYMBOL(__xtensa_copy_user); +EXPORT_SYMBOL(__invalidate_icache_range); /* * Kernel hacking ... @@ -127,3 +129,8 @@ EXPORT_SYMBOL(common_exception_return); #ifdef CONFIG_FUNCTION_TRACER EXPORT_SYMBOL(_mcount); #endif + +EXPORT_SYMBOL(__invalidate_dcache_range); +#if XCHAL_DCACHE_IS_WRITEBACK +EXPORT_SYMBOL(__flush_dcache_range); +#endif diff --git a/arch/xtensa/mm/Makefile b/arch/xtensa/mm/Makefile index f0b646d..f54f78e 100644 --- a/arch/xtensa/mm/Makefile +++ b/arch/xtensa/mm/Makefile @@ -4,3 +4,4 @@ obj-y := init.o cache.o misc.o obj-$(CONFIG_MMU) += fault.o mmu.o tlb.o +obj-$(CONFIG_HIGHMEM) += highmem.o diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c index ba4c47f..63cbb86 100644 --- a/arch/xtensa/mm/cache.c +++ b/arch/xtensa/mm/cache.c @@ -59,6 +59,10 @@ * */ +#if (DCACHE_WAY_SIZE > PAGE_SIZE) && defined(CONFIG_HIGHMEM) +#error "HIGHMEM is not supported on cores with aliasing cache." +#endif + #if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK /* @@ -179,10 +183,11 @@ update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep) #else if (!PageReserved(page) && !test_bit(PG_arch_1, &page->flags) && (vma->vm_flags & VM_EXEC) != 0) { - unsigned long paddr = (unsigned long) page_address(page); + unsigned long paddr = (unsigned long)kmap_atomic(page); __flush_dcache_page(paddr); __invalidate_icache_page(paddr); set_bit(PG_arch_1, &page->flags); + kunmap_atomic((void *)paddr); } #endif } diff --git a/arch/xtensa/mm/highmem.c b/arch/xtensa/mm/highmem.c new file mode 100644 index 0000000..17a8c0d --- /dev/null +++ b/arch/xtensa/mm/highmem.c @@ -0,0 +1,72 @@ +/* + * High memory support for Xtensa architecture + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file "COPYING" in the main directory of + * this archive for more details. + * + * Copyright (C) 2014 Cadence Design Systems Inc. + */ + +#include <linux/export.h> +#include <linux/highmem.h> +#include <asm/tlbflush.h> + +static pte_t *kmap_pte; + +void *kmap_atomic(struct page *page) +{ + enum fixed_addresses idx; + unsigned long vaddr; + int type; + + pagefault_disable(); + if (!PageHighMem(page)) + return page_address(page); + + type = kmap_atomic_idx_push(); + idx = type + KM_TYPE_NR * smp_processor_id(); + vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); +#ifdef CONFIG_DEBUG_HIGHMEM + BUG_ON(!pte_none(*(kmap_pte - idx))); +#endif + set_pte(kmap_pte - idx, mk_pte(page, PAGE_KERNEL_EXEC)); + + return (void *)vaddr; +} +EXPORT_SYMBOL(kmap_atomic); + +void __kunmap_atomic(void *kvaddr) +{ + int idx, type; + + if (kvaddr >= (void *)FIXADDR_START && + kvaddr < (void *)FIXADDR_TOP) { + type = kmap_atomic_idx(); + idx = type + KM_TYPE_NR * smp_processor_id(); + + /* + * Force other mappings to Oops if they'll try to access this + * pte without first remap it. Keeping stale mappings around + * is a bad idea also, in case the page changes cacheability + * attributes or becomes a protected page in a hypervisor. + */ + pte_clear(&init_mm, kvaddr, kmap_pte - idx); + local_flush_tlb_kernel_range((unsigned long)kvaddr, + (unsigned long)kvaddr + PAGE_SIZE); + + kmap_atomic_idx_pop(); + } + + pagefault_enable(); +} +EXPORT_SYMBOL(__kunmap_atomic); + +void __init kmap_init(void) +{ + unsigned long kmap_vstart; + + /* cache the first kmap pte */ + kmap_vstart = __fix_to_virt(FIX_KMAP_BEGIN); + kmap_pte = kmap_get_fixmap_pte(kmap_vstart); +} diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index aff108d..4224256 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -8,6 +8,7 @@ * for more details. * * Copyright (C) 2001 - 2005 Tensilica Inc. + * Copyright (C) 2014 Cadence Design Systems Inc. * * Chris Zankel <chris@zankel.net> * Joe Taylor <joe@tensilica.com, joetylr@yahoo.com> @@ -19,6 +20,7 @@ #include <linux/errno.h> #include <linux/bootmem.h> #include <linux/gfp.h> +#include <linux/highmem.h> #include <linux/swap.h> #include <linux/mman.h> #include <linux/nodemask.h> @@ -27,11 +29,133 @@ #include <asm/bootparam.h> #include <asm/page.h> #include <asm/sections.h> +#include <asm/sysmem.h> + +struct sysmem_info sysmem __initdata; + +static void __init sysmem_dump(void) +{ + unsigned i; + + pr_debug("Sysmem:\n"); + for (i = 0; i < sysmem.nr_banks; ++i) + pr_debug(" 0x%08lx - 0x%08lx (%ldK)\n", + sysmem.bank[i].start, sysmem.bank[i].end, + (sysmem.bank[i].end - sysmem.bank[i].start) >> 10); +} + +/* + * Find bank with maximal .start such that bank.start <= start + */ +static inline struct meminfo * __init find_bank(unsigned long start) +{ + unsigned i; + struct meminfo *it = NULL; + + for (i = 0; i < sysmem.nr_banks; ++i) + if (sysmem.bank[i].start <= start) + it = sysmem.bank + i; + else + break; + return it; +} + +/* + * Move all memory banks starting at 'from' to a new place at 'to', + * adjust nr_banks accordingly. + * Both 'from' and 'to' must be inside the sysmem.bank. + * + * Returns: 0 (success), -ENOMEM (not enough space in the sysmem.bank). + */ +static int __init move_banks(struct meminfo *to, struct meminfo *from) +{ + unsigned n = sysmem.nr_banks - (from - sysmem.bank); + + if (to > from && to - from + sysmem.nr_banks > SYSMEM_BANKS_MAX) + return -ENOMEM; + if (to != from) + memmove(to, from, n * sizeof(struct meminfo)); + sysmem.nr_banks += to - from; + return 0; +} + +/* + * Add new bank to sysmem. Resulting sysmem is the union of bytes of the + * original sysmem and the new bank. + * + * Returns: 0 (success), < 0 (error) + */ +int __init add_sysmem_bank(unsigned long start, unsigned long end) +{ + unsigned i; + struct meminfo *it = NULL; + unsigned long sz; + unsigned long bank_sz = 0; + + if (start == end || + (start < end) != (PAGE_ALIGN(start) < (end & PAGE_MASK))) { + pr_warn("Ignoring small memory bank 0x%08lx size: %ld bytes\n", + start, end - start); + return -EINVAL; + } + + start = PAGE_ALIGN(start); + end &= PAGE_MASK; + sz = end - start; + + it = find_bank(start); + + if (it) + bank_sz = it->end - it->start; + + if (it && bank_sz >= start - it->start) { + if (end - it->start > bank_sz) + it->end = end; + else + return 0; + } else { + if (!it) + it = sysmem.bank; + else + ++it; + + if (it - sysmem.bank < sysmem.nr_banks && + it->start - start <= sz) { + it->start = start; + if (it->end - it->start < sz) + it->end = end; + else + return 0; + } else { + if (move_banks(it + 1, it) < 0) { + pr_warn("Ignoring memory bank 0x%08lx size %ld bytes\n", + start, end - start); + return -EINVAL; + } + it->start = start; + it->end = end; + return 0; + } + } + sz = it->end - it->start; + for (i = it + 1 - sysmem.bank; i < sysmem.nr_banks; ++i) + if (sysmem.bank[i].start - it->start <= sz) { + if (sz < sysmem.bank[i].end - it->start) + it->end = sysmem.bank[i].end; + } else { + break; + } + + move_banks(it + 1, sysmem.bank + i); + return 0; +} /* * mem_reserve(start, end, must_exist) * * Reserve some memory from the memory pool. + * If must_exist is set and a part of the region being reserved does not exist + * memory map is not altered. * * Parameters: * start Start of region, @@ -39,53 +163,69 @@ * must_exist Must exist in memory pool. * * Returns: - * 0 (memory area couldn't be mapped) - * -1 (success) + * 0 (success) + * < 0 (error) */ int __init mem_reserve(unsigned long start, unsigned long end, int must_exist) { - int i; - - if (start == end) - return 0; + struct meminfo *it; + struct meminfo *rm = NULL; + unsigned long sz; + unsigned long bank_sz = 0; start = start & PAGE_MASK; end = PAGE_ALIGN(end); + sz = end - start; + if (!sz) + return -EINVAL; - for (i = 0; i < sysmem.nr_banks; i++) - if (start < sysmem.bank[i].end - && end >= sysmem.bank[i].start) - break; + it = find_bank(start); + + if (it) + bank_sz = it->end - it->start; - if (i == sysmem.nr_banks) { - if (must_exist) - printk (KERN_WARNING "mem_reserve: [0x%0lx, 0x%0lx) " - "not in any region!\n", start, end); - return 0; + if ((!it || end - it->start > bank_sz) && must_exist) { + pr_warn("mem_reserve: [0x%0lx, 0x%0lx) not in any region!\n", + start, end); + return -EINVAL; } - if (start > sysmem.bank[i].start) { - if (end < sysmem.bank[i].end) { - /* split entry */ - if (sysmem.nr_banks >= SYSMEM_BANKS_MAX) - panic("meminfo overflow\n"); - sysmem.bank[sysmem.nr_banks].start = end; - sysmem.bank[sysmem.nr_banks].end = sysmem.bank[i].end; - sysmem.nr_banks++; + if (it && start - it->start < bank_sz) { + if (start == it->start) { + if (end - it->start < bank_sz) { + it->start = end; + return 0; + } else { + rm = it; + } + } else { + it->end = start; + if (end - it->start < bank_sz) + return add_sysmem_bank(end, + it->start + bank_sz); + ++it; } - sysmem.bank[i].end = start; + } - } else if (end < sysmem.bank[i].end) { - sysmem.bank[i].start = end; + if (!it) + it = sysmem.bank; - } else { - /* remove entry */ - sysmem.nr_banks--; - sysmem.bank[i].start = sysmem.bank[sysmem.nr_banks].start; - sysmem.bank[i].end = sysmem.bank[sysmem.nr_banks].end; + for (; it < sysmem.bank + sysmem.nr_banks; ++it) { + if (it->end - start <= sz) { + if (!rm) + rm = it; + } else { + if (it->start - start < sz) + it->start = end; + break; + } } - return -1; + + if (rm) + move_banks(rm, it); + + return 0; } @@ -99,6 +239,7 @@ void __init bootmem_init(void) unsigned long bootmap_start, bootmap_size; int i; + sysmem_dump(); max_low_pfn = max_pfn = 0; min_low_pfn = ~0; @@ -156,19 +297,13 @@ void __init bootmem_init(void) void __init zones_init(void) { - unsigned long zones_size[MAX_NR_ZONES]; - int i; - /* All pages are DMA-able, so we put them all in the DMA zone. */ - - zones_size[ZONE_DMA] = max_low_pfn - ARCH_PFN_OFFSET; - for (i = 1; i < MAX_NR_ZONES; i++) - zones_size[i] = 0; - + unsigned long zones_size[MAX_NR_ZONES] = { + [ZONE_DMA] = max_low_pfn - ARCH_PFN_OFFSET, #ifdef CONFIG_HIGHMEM - zones_size[ZONE_HIGHMEM] = max_pfn - max_low_pfn; + [ZONE_HIGHMEM] = max_pfn - max_low_pfn, #endif - + }; free_area_init_node(0, zones_size, ARCH_PFN_OFFSET, NULL); } @@ -178,16 +313,38 @@ void __init zones_init(void) void __init mem_init(void) { - max_mapnr = max_low_pfn - ARCH_PFN_OFFSET; - high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); - #ifdef CONFIG_HIGHMEM -#error HIGHGMEM not implemented in init.c + unsigned long tmp; + + reset_all_zones_managed_pages(); + for (tmp = max_low_pfn; tmp < max_pfn; tmp++) + free_highmem_page(pfn_to_page(tmp)); #endif + max_mapnr = max_pfn - ARCH_PFN_OFFSET; + high_memory = (void *)__va(max_low_pfn << PAGE_SHIFT); + free_all_bootmem(); mem_init_print_info(NULL); + pr_info("virtual kernel memory layout:\n" +#ifdef CONFIG_HIGHMEM + " pkmap : 0x%08lx - 0x%08lx (%5lu kB)\n" + " fixmap : 0x%08lx - 0x%08lx (%5lu kB)\n" +#endif + " vmalloc : 0x%08x - 0x%08x (%5u MB)\n" + " lowmem : 0x%08x - 0x%08lx (%5lu MB)\n", +#ifdef CONFIG_HIGHMEM + PKMAP_BASE, PKMAP_BASE + LAST_PKMAP * PAGE_SIZE, + (LAST_PKMAP*PAGE_SIZE) >> 10, + FIXADDR_START, FIXADDR_TOP, + (FIXADDR_TOP - FIXADDR_START) >> 10, +#endif + VMALLOC_START, VMALLOC_END, + (VMALLOC_END - VMALLOC_START) >> 20, + PAGE_OFFSET, PAGE_OFFSET + + (max_low_pfn - min_low_pfn) * PAGE_SIZE, + ((max_low_pfn - min_low_pfn) * PAGE_SIZE) >> 20); } #ifdef CONFIG_BLK_DEV_INITRD @@ -204,3 +361,53 @@ void free_initmem(void) { free_initmem_default(-1); } + +static void __init parse_memmap_one(char *p) +{ + char *oldp; + unsigned long start_at, mem_size; + + if (!p) + return; + + oldp = p; + mem_size = memparse(p, &p); + if (p == oldp) + return; + + switch (*p) { + case '@': + start_at = memparse(p + 1, &p); + add_sysmem_bank(start_at, start_at + mem_size); + break; + + case '$': + start_at = memparse(p + 1, &p); + mem_reserve(start_at, start_at + mem_size, 0); + break; + + case 0: + mem_reserve(mem_size, 0, 0); + break; + + default: + pr_warn("Unrecognized memmap syntax: %s\n", p); + break; + } +} + +static int __init parse_memmap_opt(char *str) +{ + while (str) { + char *k = strchr(str, ','); + + if (k) + *k++ = 0; + + parse_memmap_one(str); + str = k; + } + + return 0; +} +early_param("memmap", parse_memmap_opt); diff --git a/arch/xtensa/mm/mmu.c b/arch/xtensa/mm/mmu.c index 861203e..3429b48 100644 --- a/arch/xtensa/mm/mmu.c +++ b/arch/xtensa/mm/mmu.c @@ -3,6 +3,7 @@ * * Extracted from init.c */ +#include <linux/bootmem.h> #include <linux/percpu.h> #include <linux/init.h> #include <linux/string.h> @@ -16,9 +17,44 @@ #include <asm/initialize_mmu.h> #include <asm/io.h> +#if defined(CONFIG_HIGHMEM) +static void * __init init_pmd(unsigned long vaddr) +{ + pgd_t *pgd = pgd_offset_k(vaddr); + pmd_t *pmd = pmd_offset(pgd, vaddr); + + if (pmd_none(*pmd)) { + unsigned i; + pte_t *pte = alloc_bootmem_low_pages(PAGE_SIZE); + + for (i = 0; i < 1024; i++) + pte_clear(NULL, 0, pte + i); + + set_pmd(pmd, __pmd(((unsigned long)pte) & PAGE_MASK)); + BUG_ON(pte != pte_offset_kernel(pmd, 0)); + pr_debug("%s: vaddr: 0x%08lx, pmd: 0x%p, pte: 0x%p\n", + __func__, vaddr, pmd, pte); + return pte; + } else { + return pte_offset_kernel(pmd, 0); + } +} + +static void __init fixedrange_init(void) +{ + BUILD_BUG_ON(FIXADDR_SIZE > PMD_SIZE); + init_pmd(__fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK); +} +#endif + void __init paging_init(void) { memset(swapper_pg_dir, 0, PAGE_SIZE); +#ifdef CONFIG_HIGHMEM + fixedrange_init(); + pkmap_page_table = init_pmd(PKMAP_BASE); + kmap_init(); +#endif } /* diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c index ade62382..5ece856 100644 --- a/arch/xtensa/mm/tlb.c +++ b/arch/xtensa/mm/tlb.c @@ -149,6 +149,21 @@ void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page) local_irq_restore(flags); } +void local_flush_tlb_kernel_range(unsigned long start, unsigned long end) +{ + if (end > start && start >= TASK_SIZE && end <= PAGE_OFFSET && + end - start < _TLB_ENTRIES << PAGE_SHIFT) { + start &= PAGE_MASK; + while (start < end) { + invalidate_itlb_mapping(start); + invalidate_dtlb_mapping(start); + start += PAGE_SIZE; + } + } else { + local_flush_tlb_all(); + } +} + #ifdef CONFIG_DEBUG_TLB_SANITY static unsigned get_pte_for_vaddr(unsigned vaddr) diff --git a/arch/xtensa/platforms/iss/Makefile b/arch/xtensa/platforms/iss/Makefile index d2369b7..b3e8929 100644 --- a/arch/xtensa/platforms/iss/Makefile +++ b/arch/xtensa/platforms/iss/Makefile @@ -4,6 +4,7 @@ # "prom monitor" library routines under Linux. # -obj-y = console.o setup.o +obj-y = setup.o +obj-$(CONFIG_TTY) += console.o obj-$(CONFIG_NET) += network.o obj-$(CONFIG_BLK_DEV_SIMDISK) += simdisk.o diff --git a/arch/xtensa/platforms/xt2000/setup.c b/arch/xtensa/platforms/xt2000/setup.c index f9bc879..b90555c 100644 --- a/arch/xtensa/platforms/xt2000/setup.c +++ b/arch/xtensa/platforms/xt2000/setup.c @@ -92,18 +92,8 @@ void __init platform_setup(char** cmdline) /* early initialization */ -extern sysmem_info_t __initdata sysmem; - -void platform_init(bp_tag_t* first) +void __init platform_init(bp_tag_t *first) { - /* Set default memory block if not provided by the bootloader. */ - - if (sysmem.nr_banks == 0) { - sysmem.nr_banks = 1; - sysmem.bank[0].start = PLATFORM_DEFAULT_MEM_START; - sysmem.bank[0].end = PLATFORM_DEFAULT_MEM_START - + PLATFORM_DEFAULT_MEM_SIZE; - } } /* Heartbeat. Let the LED blink. */ |
