diff options
141 files changed, 2414 insertions, 698 deletions
diff --git a/Documentation/powerpc/ptrace.txt b/Documentation/powerpc/ptrace.txt new file mode 100644 index 0000000..f4a5499 --- /dev/null +++ b/Documentation/powerpc/ptrace.txt @@ -0,0 +1,134 @@ +GDB intends to support the following hardware debug features of BookE +processors: + +4 hardware breakpoints (IAC) +2 hardware watchpoints (read, write and read-write) (DAC) +2 value conditions for the hardware watchpoints (DVC) + +For that, we need to extend ptrace so that GDB can query and set these +resources. Since we're extending, we're trying to create an interface +that's extendable and that covers both BookE and server processors, so +that GDB doesn't need to special-case each of them. We added the +following 3 new ptrace requests. + +1. PTRACE_PPC_GETHWDEBUGINFO + +Query for GDB to discover the hardware debug features. The main info to +be returned here is the minimum alignment for the hardware watchpoints. +BookE processors don't have restrictions here, but server processors have +an 8-byte alignment restriction for hardware watchpoints. We'd like to avoid +adding special cases to GDB based on what it sees in AUXV. + +Since we're at it, we added other useful info that the kernel can return to +GDB: this query will return the number of hardware breakpoints, hardware +watchpoints and whether it supports a range of addresses and a condition. +The query will fill the following structure provided by the requesting process: + +struct ppc_debug_info { + unit32_t version; + unit32_t num_instruction_bps; + unit32_t num_data_bps; + unit32_t num_condition_regs; + unit32_t data_bp_alignment; + unit32_t sizeof_condition; /* size of the DVC register */ + uint64_t features; /* bitmask of the individual flags */ +}; + +features will have bits indicating whether there is support for: + +#define PPC_DEBUG_FEATURE_INSN_BP_RANGE 0x1 +#define PPC_DEBUG_FEATURE_INSN_BP_MASK 0x2 +#define PPC_DEBUG_FEATURE_DATA_BP_RANGE 0x4 +#define PPC_DEBUG_FEATURE_DATA_BP_MASK 0x8 + +2. PTRACE_SETHWDEBUG + +Sets a hardware breakpoint or watchpoint, according to the provided structure: + +struct ppc_hw_breakpoint { + uint32_t version; +#define PPC_BREAKPOINT_TRIGGER_EXECUTE 0x1 +#define PPC_BREAKPOINT_TRIGGER_READ 0x2 +#define PPC_BREAKPOINT_TRIGGER_WRITE 0x4 + uint32_t trigger_type; /* only some combinations allowed */ +#define PPC_BREAKPOINT_MODE_EXACT 0x0 +#define PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE 0x1 +#define PPC_BREAKPOINT_MODE_RANGE_EXCLUSIVE 0x2 +#define PPC_BREAKPOINT_MODE_MASK 0x3 + uint32_t addr_mode; /* address match mode */ + +#define PPC_BREAKPOINT_CONDITION_MODE 0x3 +#define PPC_BREAKPOINT_CONDITION_NONE 0x0 +#define PPC_BREAKPOINT_CONDITION_AND 0x1 +#define PPC_BREAKPOINT_CONDITION_EXACT 0x1 /* different name for the same thing as above */ +#define PPC_BREAKPOINT_CONDITION_OR 0x2 +#define PPC_BREAKPOINT_CONDITION_AND_OR 0x3 +#define PPC_BREAKPOINT_CONDITION_BE_ALL 0x00ff0000 /* byte enable bits */ +#define PPC_BREAKPOINT_CONDITION_BE(n) (1<<((n)+16)) + uint32_t condition_mode; /* break/watchpoint condition flags */ + + uint64_t addr; + uint64_t addr2; + uint64_t condition_value; +}; + +A request specifies one event, not necessarily just one register to be set. +For instance, if the request is for a watchpoint with a condition, both the +DAC and DVC registers will be set in the same request. + +With this GDB can ask for all kinds of hardware breakpoints and watchpoints +that the BookE supports. COMEFROM breakpoints available in server processors +are not contemplated, but that is out of the scope of this work. + +ptrace will return an integer (handle) uniquely identifying the breakpoint or +watchpoint just created. This integer will be used in the PTRACE_DELHWDEBUG +request to ask for its removal. Return -ENOSPC if the requested breakpoint +can't be allocated on the registers. + +Some examples of using the structure to: + +- set a breakpoint in the first breakpoint register + + p.version = PPC_DEBUG_CURRENT_VERSION; + p.trigger_type = PPC_BREAKPOINT_TRIGGER_EXECUTE; + p.addr_mode = PPC_BREAKPOINT_MODE_EXACT; + p.condition_mode = PPC_BREAKPOINT_CONDITION_NONE; + p.addr = (uint64_t) address; + p.addr2 = 0; + p.condition_value = 0; + +- set a watchpoint which triggers on reads in the second watchpoint register + + p.version = PPC_DEBUG_CURRENT_VERSION; + p.trigger_type = PPC_BREAKPOINT_TRIGGER_READ; + p.addr_mode = PPC_BREAKPOINT_MODE_EXACT; + p.condition_mode = PPC_BREAKPOINT_CONDITION_NONE; + p.addr = (uint64_t) address; + p.addr2 = 0; + p.condition_value = 0; + +- set a watchpoint which triggers only with a specific value + + p.version = PPC_DEBUG_CURRENT_VERSION; + p.trigger_type = PPC_BREAKPOINT_TRIGGER_READ; + p.addr_mode = PPC_BREAKPOINT_MODE_EXACT; + p.condition_mode = PPC_BREAKPOINT_CONDITION_AND | PPC_BREAKPOINT_CONDITION_BE_ALL; + p.addr = (uint64_t) address; + p.addr2 = 0; + p.condition_value = (uint64_t) condition; + +- set a ranged hardware breakpoint + + p.version = PPC_DEBUG_CURRENT_VERSION; + p.trigger_type = PPC_BREAKPOINT_TRIGGER_EXECUTE; + p.addr_mode = PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE; + p.condition_mode = PPC_BREAKPOINT_CONDITION_NONE; + p.addr = (uint64_t) begin_range; + p.addr2 = (uint64_t) end_range; + p.condition_value = 0; + +3. PTRACE_DELHWDEBUG + +Takes an integer which identifies an existing breakpoint or watchpoint +(i.e., the value returned from PTRACE_SETHWDEBUG), and deletes the +corresponding breakpoint or watchpoint.. diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h index e14108b..4c41656 100644 --- a/arch/ia64/include/asm/elf.h +++ b/arch/ia64/include/asm/elf.h @@ -201,7 +201,9 @@ extern void ia64_elf_core_copy_regs (struct pt_regs *src, elf_gregset_t dst); relevant until we have real hardware to play with... */ #define ELF_PLATFORM NULL -#define SET_PERSONALITY(ex) set_personality(PER_LINUX) +#define SET_PERSONALITY(ex) \ + set_personality((current->personality & ~PER_MASK) | PER_LINUX) + #define elf_read_implies_exec(ex, executable_stack) \ ((executable_stack!=EXSTACK_DISABLE_X) && ((ex).e_flags & EF_IA_64_LINUX_EXECUTABLE_STACK) != 0) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index ba3948c..654bba5 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -58,7 +58,7 @@ config IRQ_PER_CPU config NR_IRQS int "Number of virtual interrupt numbers" - range 32 512 + range 32 32768 default "512" help This defines the number of virtual interrupt numbers the kernel @@ -240,6 +240,33 @@ config PPC_OF_PLATFORM_PCI config ARCH_SUPPORTS_DEBUG_PAGEALLOC def_bool y +config PPC_ADV_DEBUG_REGS + bool + depends on 40x || BOOKE + default y + +config PPC_ADV_DEBUG_IACS + int + depends on PPC_ADV_DEBUG_REGS + default 4 if 44x + default 2 + +config PPC_ADV_DEBUG_DACS + int + depends on PPC_ADV_DEBUG_REGS + default 2 + +config PPC_ADV_DEBUG_DVCS + int + depends on PPC_ADV_DEBUG_REGS + default 2 if 44x + default 0 + +config PPC_ADV_DEBUG_DAC_RANGE + bool + depends on PPC_ADV_DEBUG_REGS && 44x + default y + source "init/Kconfig" source "kernel/Kconfig.freezer" diff --git a/arch/powerpc/boot/dts/arches.dts b/arch/powerpc/boot/dts/arches.dts index 414ef8b..30f4120 100644 --- a/arch/powerpc/boot/dts/arches.dts +++ b/arch/powerpc/boot/dts/arches.dts @@ -60,6 +60,7 @@ d-cache-size = <32768>; dcr-controller; dcr-access-method = "native"; + next-level-cache = <&L2C0>; }; }; @@ -146,6 +147,13 @@ dcr-reg = <0x010 0x002>; }; + CRYPTO: crypto@180000 { + compatible = "amcc,ppc460gt-crypto", "amcc,ppc4xx-crypto"; + reg = <4 0x00180000 0x80400>; + interrupt-parent = <&UIC0>; + interrupts = <0x1d 0x4>; + }; + MAL0: mcmal { compatible = "ibm,mcmal-460gt", "ibm,mcmal2"; dcr-reg = <0x180 0x062>; @@ -274,6 +282,7 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; phy-mode = "sgmii"; phy-map = <0xffffffff>; gpcs-address = <0x0000000a>; @@ -302,6 +311,7 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; phy-mode = "sgmii"; phy-map = <0x00000000>; gpcs-address = <0x0000000b>; @@ -331,6 +341,8 @@ max-frame-size = <9000>; rx-fifo-size = <4096>; tx-fifo-size = <2048>; + rx-fifo-size-gige = <16384>; + tx-fifo-size-gige = <16384>; /* emac2&3 only */ phy-mode = "sgmii"; phy-map = <0x00000001>; gpcs-address = <0x0000000C>; diff --git a/arch/powerpc/boot/dts/gef_ppc9a.dts b/arch/powerpc/boot/dts/gef_ppc9a.dts index c86114e..977f260 100644 --- a/arch/powerpc/boot/dts/gef_ppc9a.dts +++ b/arch/powerpc/boot/dts/gef_ppc9a.dts @@ -341,6 +341,22 @@ device_type = "open-pic"; }; + msi@41600 { + compatible = "fsl,mpc8641-msi", "fsl,mpic-msi"; + reg = <0x41600 0x80>; + msi-available-ranges = <0 0x100>; + interrupts = < + 0xe0 0 + 0xe1 0 + 0xe2 0 + 0xe3 0 + 0xe4 0 + 0xe5 0 + 0xe6 0 + 0xe7 0>; + interrupt-parent = <&mpic>; + }; + global-utilities@e0000 { compatible = "fsl,mpc8641-guts"; reg = <0xe0000 0x1000>; diff --git a/arch/powerpc/boot/dts/gef_sbc310.dts b/arch/powerpc/boot/dts/gef_sbc310.dts index 820c2b3..8e4efff 100644 --- a/arch/powerpc/boot/dts/gef_sbc310.dts +++ b/arch/powerpc/boot/dts/gef_sbc310.dts @@ -32,6 +32,7 @@ serial0 = &serial0; serial1 = &serial1; pci0 = &pci0; + pci1 = &pci1; }; cpus { @@ -338,6 +339,22 @@ device_type = "open-pic"; }; + msi@41600 { + compatible = "fsl,mpc8641-msi", "fsl,mpic-msi"; + reg = <0x41600 0x80>; + msi-available-ranges = <0 0x100>; + interrupts = < + 0xe0 0 + 0xe1 0 + 0xe2 0 + 0xe3 0 + 0xe4 0 + 0xe5 0 + 0xe6 0 + 0xe7 0>; + interrupt-parent = <&mpic>; + }; + global-utilities@e0000 { compatible = "fsl,mpc8641-guts"; reg = <0xe0000 0x1000>; @@ -358,7 +375,7 @@ clock-frequency = <33333333>; interrupt-parent = <&mpic>; interrupts = <0x18 0x2>; - interrupt-map-mask = <0xf800 0x0 0x0 0x7>; + interrupt-map-mask = <0xff00 0x0 0x0 0x7>; interrupt-map = < 0x0000 0x0 0x0 0x1 &mpic 0x0 0x2 0x0000 0x0 0x0 0x2 &mpic 0x1 0x2 diff --git a/arch/powerpc/boot/dts/gef_sbc610.dts b/arch/powerpc/boot/dts/gef_sbc610.dts index 30911ad..bb70600 100644 --- a/arch/powerpc/boot/dts/gef_sbc610.dts +++ b/arch/powerpc/boot/dts/gef_sbc610.dts @@ -75,14 +75,48 @@ interrupts = <19 2>; interrupt-parent = <&mpic>; - ranges = <0 0 0xff000000 0x01000000 // 16MB Boot flash - 1 0 0xe8000000 0x08000000 // Paged Flash 0 - 2 0 0xe0000000 0x08000000 // Paged Flash 1 - 3 0 0xfc100000 0x00020000 // NVRAM - 4 0 0xfc000000 0x00008000 // FPGA - 5 0 0xfc008000 0x00008000 // AFIX FPGA - 6 0 0xfd000000 0x00800000 // IO FPGA (8-bit) - 7 0 0xfd800000 0x00800000>; // IO FPGA (32-bit) + ranges = <0 0 0xff000000 0x01000000 // 16MB Boot flash + 1 0 0xe8000000 0x08000000 // Paged Flash 0 + 2 0 0xe0000000 0x08000000 // Paged Flash 1 + 3 0 0xfc100000 0x00020000 // NVRAM + 4 0 0xfc000000 0x00008000 // FPGA + 5 0 0xfc008000 0x00008000 // AFIX FPGA + 6 0 0xfd000000 0x00800000 // IO FPGA (8-bit) + 7 0 0xfd800000 0x00800000>; // IO FPGA (32-bit) + + /* flash@0,0 is a mirror of part of the memory in flash@1,0 + flash@0,0 { + compatible = "gef,sbc610-firmware-mirror", "cfi-flash"; + reg = <0x0 0x0 0x1000000>; + bank-width = <4>; + device-width = <2>; + #address-cells = <1>; + #size-cells = <1>; + partition@0 { + label = "firmware"; + reg = <0x0 0x1000000>; + read-only; + }; + }; + */ + + flash@1,0 { + compatible = "gef,sbc610-paged-flash", "cfi-flash"; + reg = <0x1 0x0 0x8000000>; + bank-width = <4>; + device-width = <2>; + #address-cells = <1>; + #size-cells = <1>; + partition@0 { + label = "user"; + reg = <0x0 0x7800000>; + }; + partition@7800000 { + label = "firmware"; + reg = <0x7800000 0x800000>; + read-only; + }; + }; nvram@3,0 { device_type = "nvram"; @@ -305,6 +339,22 @@ device_type = "open-pic"; }; + msi@41600 { + compatible = "fsl,mpc8641-msi", "fsl,mpic-msi"; + reg = <0x41600 0x80>; + msi-available-ranges = <0 0x100>; + interrupts = < + 0xe0 0 + 0xe1 0 + 0xe2 0 + 0xe3 0 + 0xe4 0 + 0xe5 0 + 0xe6 0 + 0xe7 0>; + interrupt-parent = <&mpic>; + }; + global-utilities@e0000 { compatible = "fsl,mpc8641-guts"; reg = <0xe0000 0x1000>; diff --git a/arch/powerpc/boot/dts/glacier.dts b/arch/powerpc/boot/dts/glacier.dts index f6f6189..d62a4fb 100644 --- a/arch/powerpc/boot/dts/glacier.dts +++ b/arch/powerpc/boot/dts/glacier.dts @@ -1,7 +1,7 @@ /* * Device Tree Source for AMCC Glacier (460GT) * - * Copyright 2008 DENX Software Engineering, Stefan Roese <sr@denx.de> + * Copyright 2008-2010 DENX Software Engineering, Stefan Roese <sr@denx.de> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without @@ -42,6 +42,7 @@ d-cache-size = <32768>; dcr-controller; dcr-access-method = "native"; + next-level-cache = <&L2C0>; }; }; @@ -106,6 +107,16 @@ dcr-reg = <0x00c 0x002>; }; + L2C0: l2c { + compatible = "ibm,l2-cache-460gt", "ibm,l2-cache"; + dcr-reg = <0x020 0x008 /* Internal SRAM DCR's */ + 0x030 0x008>; /* L2 cache DCR's */ + cache-line-size = <32>; /* 32 bytes */ + cache-size = <262144>; /* L2, 256K */ + interrupt-parent = <&UIC1>; + interrupts = <11 1>; + }; + plb { compatible = "ibm,plb-460gt", "ibm,plb4"; #address-cells = <2>; @@ -118,6 +129,13 @@ dcr-reg = <0x010 0x002>; }; + CRYPTO: crypto@180000 { + compatible = "amcc,ppc460gt-crypto", "amcc,ppc4xx-crypto"; + reg = <4 0x00180000 0x80400>; + interrupt-parent = <&UIC0>; + interrupts = <0x1d 0x4>; + }; + MAL0: mcmal { compatible = "ibm,mcmal-460gt", "ibm,mcmal2"; dcr-reg = <0x180 0x062>; @@ -186,6 +204,29 @@ reg = <0x03fa0000 0x00060000>; }; }; + + ndfc@3,0 { + compatible = "ibm,ndfc"; + reg = <0x00000003 0x00000000 0x00002000>; + ccr = <0x00001000>; + bank-settings = <0x80002222>; + #address-cells = <1>; + #size-cells = <1>; + + nand { + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "u-boot"; + reg = <0x00000000 0x00100000>; + }; + partition@100000 { + label = "user"; + reg = <0x00000000 0x03f00000>; + }; + }; + }; }; UART0: serial@ef600300 { @@ -237,6 +278,20 @@ reg = <0xef600700 0x00000014>; interrupt-parent = <&UIC0>; interrupts = <0x2 0x4>; + #address-cells = <1>; + #size-cells = <0>; + rtc@68 { + compatible = "stm,m41t80"; + reg = <0x68>; + interrupt-parent = <&UIC2>; + interrupts = <0x19 0x8>; + }; + sttm@48 { + compatible = "ad,ad7414"; + reg = <0x48>; + interrupt-parent = <&UIC1>; + interrupts = <0x14 0x8>; + }; }; IIC1: i2c@ef600800 { @@ -275,7 +330,7 @@ EMAC0: ethernet@ef600e00 { device_type = "network"; - compatible = "ibm,emac-460gt", "ibm,emac4"; + compatible = "ibm,emac-460gt", "ibm,emac4sync"; interrupt-parent = <&EMAC0>; interrupts = <0x0 0x1>; #interrupt-cells = <1>; @@ -283,7 +338,7 @@ #size-cells = <0>; interrupt-map = </*Status*/ 0x0 &UIC2 0x10 0x4 /*Wake*/ 0x1 &UIC2 0x14 0x4>; - reg = <0xef600e00 0x00000074>; + reg = <0xef600e00 0x000000c4>; local-mac-address = [000000000000]; /* Filled in by U-Boot */ mal-device = <&MAL0>; mal-tx-channel = <0>; @@ -305,7 +360,7 @@ EMAC1: ethernet@ef600f00 { device_type = "network"; - compatible = "ibm,emac-460gt", "ibm,emac4"; + compatible = "ibm,emac-460gt", "ibm,emac4sync"; interrupt-parent = <&EMAC1>; interrupts = <0x0 0x1>; #interrupt-cells = <1>; @@ -313,7 +368,7 @@ #size-cells = <0>; interrupt-map = </*Status*/ 0x0 &UIC2 0x11 0x4 /*Wake*/ 0x1 &UIC2 0x15 0x4>; - reg = <0xef600f00 0x00000074>; + reg = <0xef600f00 0x000000c4>; local-mac-address = [000000000000]; /* Filled in by U-Boot */ mal-device = <&MAL0>; mal-tx-channel = <1>; @@ -336,7 +391,7 @@ EMAC2: ethernet@ef601100 { device_type = "network"; - compatible = "ibm,emac-460gt", "ibm,emac4"; + compatible = "ibm,emac-460gt", "ibm,emac4sync"; interrupt-parent = <&EMAC2>; interrupts = <0x0 0x1>; #interrupt-cells = <1>; @@ -344,7 +399,7 @@ #size-cells = <0>; interrupt-map = </*Status*/ 0x0 &UIC2 0x12 0x4 /*Wake*/ 0x1 &UIC2 0x16 0x4>; - reg = <0xef601100 0x00000074>; + reg = <0xef601100 0x000000c4>; local-mac-address = [000000000000]; /* Filled in by U-Boot */ mal-device = <&MAL0>; mal-tx-channel = <2>; @@ -366,7 +421,7 @@ EMAC3: ethernet@ef601200 { device_type = "network"; - compatible = "ibm,emac-460gt", "ibm,emac4"; + compatible = "ibm,emac-460gt", "ibm,emac4sync"; interrupt-parent = <&EMAC3>; interrupts = <0x0 0x1>; #interrupt-cells = <1>; @@ -374,7 +429,7 @@ #size-cells = <0>; interrupt-map = </*Status*/ 0x0 &UIC2 0x13 0x4 /*Wake*/ 0x1 &UIC2 0x17 0x4>; - reg = <0xef601200 0x00000074>; + reg = <0xef601200 0x000000c4>; local-mac-address = [000000000000]; /* Filled in by U-Boot */ mal-device = <&MAL0>; mal-tx-channel = <3>; @@ -414,6 +469,7 @@ * later cannot be changed */ ranges = <0x02000000 0x00000000 0x80000000 0x0000000d 0x80000000 0x00000000 0x80000000 + 0x02000000 0x00000000 0x00000000 0x0000000c 0x0ee00000 0x00000000 0x00100000 0x01000000 0x00000000 0x00000000 0x0000000c 0x08000000 0x00000000 0x00010000>; /* Inbound 2GB range starting at 0 */ @@ -444,6 +500,7 @@ * later cannot be changed */ ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x00000000 0x00000000 0x80000000 + 0x02000000 0x00000000 0x00000000 0x0000000f 0x00000000 0x00000000 0x00100000 0x01000000 0x00000000 0x00000000 0x0000000f 0x80000000 0x00000000 0x00010000>; /* Inbound 2GB range starting at 0 */ @@ -485,6 +542,7 @@ * later cannot be changed */ ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x80000000 0x00000000 0x80000000 + 0x02000000 0x00000000 0x00000000 0x0000000f 0x00100000 0x00000000 0x00100000 0x01000000 0x00000000 0x00000000 0x0000000f 0x80010000 0x00000000 0x00010000>; /* Inbound 2GB range starting at 0 */ diff --git a/arch/powerpc/boot/dts/katmai.dts b/arch/powerpc/boot/dts/katmai.dts index 8f345de9..8cf2c0c 100644 --- a/arch/powerpc/boot/dts/katmai.dts +++ b/arch/powerpc/boot/dts/katmai.dts @@ -156,7 +156,7 @@ compatible = "ibm,opb-440spe", "ibm,opb-440gp", "ibm,opb"; #address-cells = <1>; #size-cells = <1>; - ranges = <0x00000000 0x00000004 0xe0000000 0x20000000>; + ranges = <0xe0000000 0x00000004 0xe0000000 0x20000000>; clock-frequency = <0>; /* Filled in by zImage */ EBC0: ebc { @@ -165,14 +165,47 @@ #address-cells = <2>; #size-cells = <1>; clock-frequency = <0>; /* Filled in by zImage */ + /* ranges property is supplied by U-Boot */ interrupts = <0x5 0x1>; interrupt-parent = <&UIC1>; + + nor_flash@0,0 { + compatible = "cfi-flash"; + bank-width = <2>; + reg = <0x00000000 0x00000000 0x01000000>; + #address-cells = <1>; + #size-cells = <1>; + partition@0 { + label = "kernel"; + reg = <0x00000000 0x001e0000>; + }; + partition@1e0000 { + label = "dtb"; + reg = <0x001e0000 0x00020000>; + }; + partition@200000 { + label = "root"; + reg = <0x00200000 0x00200000>; + }; + partition@400000 { + label = "user"; + reg = <0x00400000 0x00b60000>; + }; + partition@f60000 { + label = "env"; + reg = <0x00f60000 0x00040000>; + }; + partition@fa0000 { + label = "u-boot"; + reg = <0x00fa0000 0x00060000>; + }; + }; }; - UART0: serial@10000200 { + UART0: serial@f0000200 { device_type = "serial"; compatible = "ns16550"; - reg = <0x10000200 0x00000008>; + reg = <0xf0000200 0x00000008>; virtual-reg = <0xa0000200>; clock-frequency = <0>; /* Filled in by zImage */ current-speed = <115200>; @@ -180,10 +213,10 @@ interrupts = <0x0 0x4>; }; - UART1: serial@10000300 { + UART1: serial@f0000300 { device_type = "serial"; compatible = "ns16550"; - reg = <0x10000300 0x00000008>; + reg = <0xf0000300 0x00000008>; virtual-reg = <0xa0000300>; clock-frequency = <0>; current-speed = <0>; @@ -192,10 +225,10 @@ }; - UART2: serial@10000600 { + UART2: serial@f0000600 { device_type = "serial"; compatible = "ns16550"; - reg = <0x10000600 0x00000008>; + reg = <0xf0000600 0x00000008>; virtual-reg = <0xa0000600>; clock-frequency = <0>; current-speed = <0>; @@ -203,27 +236,27 @@ interrupts = <0x5 0x4>; }; - IIC0: i2c@10000400 { + IIC0: i2c@f0000400 { compatible = "ibm,iic-440spe", "ibm,iic-440gp", "ibm,iic"; - reg = <0x10000400 0x00000014>; + reg = <0xf0000400 0x00000014>; interrupt-parent = <&UIC0>; interrupts = <0x2 0x4>; }; - IIC1: i2c@10000500 { + IIC1: i2c@f0000500 { compatible = "ibm,iic-440spe", "ibm,iic-440gp", "ibm,iic"; - reg = <0x10000500 0x00000014>; + reg = <0xf0000500 0x00000014>; interrupt-parent = <&UIC0>; interrupts = <0x3 0x4>; }; - EMAC0: ethernet@10000800 { + EMAC0: ethernet@f0000800 { linux,network-index = <0x0>; device_type = "network"; compatible = "ibm,emac-440spe", "ibm,emac4"; interrupt-parent = <&UIC1>; interrupts = <0x1c 0x4 0x1d 0x4>; - reg = <0x10000800 0x00000074>; + reg = <0xf0000800 0x00000074>; local-mac-address = [000000000000]; mal-device = <&MAL0>; mal-tx-channel = <0>; @@ -248,11 +281,11 @@ primary; large-inbound-windows; enable-msi-hole; - reg = <0x0000000c 0x0ec00000 0x00000008 /* Config space access */ - 0x00000000 0x00000000 0x00000000 /* no IACK cycles */ - 0x0000000c 0x0ed00000 0x00000004 /* Special cycles */ - 0x0000000c 0x0ec80000 0x00000100 /* Internal registers */ - 0x0000000c 0x0ec80100 0x000000fc>; /* Internal messaging registers */ + reg = <0x0000000c 0x0ec00000 0x00000008 /* Config space access */ + 0x00000000 0x00000000 0x00000000 /* no IACK cycles */ + 0x0000000c 0x0ed00000 0x00000004 /* Special cycles */ + 0x0000000c 0x0ec80000 0x00000100 /* Internal registers */ + 0x0000000c 0x0ec80100 0x000000fc>; /* Internal messaging registers */ /* Outbound ranges, one memory and one IO, * later cannot be changed @@ -453,6 +486,6 @@ }; chosen { - linux,stdout-path = "/plb/opb/serial@10000200"; + linux,stdout-path = "/plb/opb/serial@f0000200"; }; }; diff --git a/arch/powerpc/boot/dts/mpc8568mds.dts b/arch/powerpc/boot/dts/mpc8568mds.dts index 6d892ba..92fb178 100644 --- a/arch/powerpc/boot/dts/mpc8568mds.dts +++ b/arch/powerpc/boot/dts/mpc8568mds.dts @@ -54,9 +54,52 @@ reg = <0x0 0x10000000>; }; - bcsr@f8000000 { - compatible = "fsl,mpc8568mds-bcsr"; - reg = <0xf8000000 0x8000>; + localbus@e0005000 { + #address-cells = <2>; + #size-cells = <1>; + compatible = "fsl,mpc8568-localbus", "fsl,pq3-localbus", + "simple-bus"; + reg = <0xe0005000 0x1000>; + + ranges = <0x0 0x0 0xfe000000 0x02000000 + 0x1 0x0 0xf8000000 0x00008000 + 0x2 0x0 0xf0000000 0x04000000 + 0x4 0x0 0xf8008000 0x00008000 + 0x5 0x0 0xf8010000 0x00008000>; + + nor@0,0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "cfi-flash"; + reg = <0x0 0x0 0x02000000>; + bank-width = <2>; + device-width = <2>; + }; + + bcsr@1,0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc8568mds-bcsr"; + reg = <1 0 0x8000>; + ranges = <0 1 0 0x8000>; + + bcsr5: gpio-controller@11 { + #gpio-cells = <2>; + compatible = "fsl,mpc8568mds-bcsr-gpio"; + reg = <0x5 0x1>; + gpio-controller; + }; + }; + + pib@4,0 { + compatible = "fsl,mpc8568mds-pib"; + reg = <4 0 0x8000>; + }; + + pib@5,0 { + compatible = "fsl,mpc8568mds-pib"; + reg = <5 0 0x8000>; + }; }; soc8568@e0000000 { @@ -610,4 +653,20 @@ sleep = <&pmc 0x00080000 /* controller */ &pmc 0x00040000>; /* message unit */ }; + + leds { + compatible = "gpio-leds"; + + green { + gpios = <&bcsr5 1 0>; + }; + + amber { + gpios = <&bcsr5 2 0>; + }; + + red { + gpios = <&bcsr5 3 0>; + }; + }; }; diff --git a/arch/powerpc/configs/44x/katmai_defconfig b/arch/powerpc/configs/44x/katmai_defconfig index dec901f..af244e1 100644 --- a/arch/powerpc/configs/44x/katmai_defconfig +++ b/arch/powerpc/configs/44x/katmai_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.33-rc1 -# Mon Jan 4 14:55:34 2010 +# Linux kernel version: 2.6.33-rc5 +# Tue Jan 26 14:40:58 2010 # # CONFIG_PPC64 is not set @@ -106,6 +106,7 @@ CONFIG_INITRAMFS_SOURCE="" CONFIG_RD_GZIP=y # CONFIG_RD_BZIP2 is not set # CONFIG_RD_LZMA is not set +# CONFIG_RD_LZO is not set # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y CONFIG_ANON_INODES=y @@ -442,7 +443,90 @@ CONFIG_EXTRA_FIRMWARE="" # CONFIG_SYS_HYPERVISOR is not set CONFIG_CONNECTOR=y CONFIG_PROC_EVENTS=y -# CONFIG_MTD is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_TESTS is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +CONFIG_MTD_CMDLINE_PARTS=y +CONFIG_MTD_OF_PARTS=y +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=y +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_GEN_PROBE=y +# CONFIG_MTD_CFI_ADV_OPTIONS is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_CFI_INTELEXT is not set +CONFIG_MTD_CFI_AMDSTD=y +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=y +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PHYSMAP is not set +CONFIG_MTD_PHYSMAP_OF=y +# CONFIG_MTD_INTEL_VR_NOR is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_PMC551 is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +# CONFIG_MTD_NAND is not set +# CONFIG_MTD_ONENAND is not set + +# +# LPDDR flash memory drivers +# +# CONFIG_MTD_LPDDR is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set CONFIG_OF_DEVICE=y # CONFIG_PARPORT is not set CONFIG_BLK_DEV=y @@ -500,7 +584,7 @@ CONFIG_HAVE_IDE=y # # -# See the help texts for more information. +# The newer stack is recommended. # # CONFIG_FIREWIRE is not set # CONFIG_IEEE1394 is not set @@ -763,7 +847,6 @@ CONFIG_EXT2_FS=y # CONFIG_EXT2_FS_XIP is not set # CONFIG_EXT3_FS is not set # CONFIG_EXT4_FS is not set -CONFIG_EXT4_USE_FOR_EXT23=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set # CONFIG_FS_POSIX_ACL is not set @@ -820,6 +903,7 @@ CONFIG_MISC_FILESYSTEMS=y # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set +# CONFIG_JFFS2_FS is not set CONFIG_CRAMFS=y # CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set diff --git a/arch/powerpc/configs/86xx/gef_ppc9a_defconfig b/arch/powerpc/configs/86xx/gef_ppc9a_defconfig index a85f927..622d84f 100644 --- a/arch/powerpc/configs/86xx/gef_ppc9a_defconfig +++ b/arch/powerpc/configs/86xx/gef_ppc9a_defconfig @@ -1557,7 +1557,52 @@ CONFIG_RTC_DRV_RX8581=y # # TI VLYNQ # -# CONFIG_STAGING is not set +CONFIG_STAGING=y +# CONFIG_STAGING_EXCLUDE_BUILD is not set +# CONFIG_ET131X is not set +# CONFIG_ME4000 is not set +# CONFIG_MEILHAUS is not set +# CONFIG_USB_IP_COMMON is not set +# CONFIG_ECHO is not set +# CONFIG_COMEDI is not set +# CONFIG_ASUS_OLED is not set +# CONFIG_ALTERA_PCIE_CHDMA is not set +# CONFIG_INPUT_MIMIO is not set +# CONFIG_TRANZPORT is not set + +# +# Android +# +# CONFIG_ANDROID is not set +# CONFIG_DST is not set +# CONFIG_POHMELFS is not set +# CONFIG_B3DFG is not set +# CONFIG_IDE_PHISON is not set +# CONFIG_PLAN9AUTH is not set +# CONFIG_HECI is not set +# CONFIG_USB_CPC is not set + +# +# Qualcomm MSM Camera And Video +# + +# +# Camera Sensor Selection +# +# CONFIG_HYPERV_STORAGE is not set +# CONFIG_HYPERV_BLOCK is not set +# CONFIG_HYPERV_NET is not set +CONFIG_VME_BUS=y + +# +# VME Bridge Drivers +# +CONFIG_VME_TSI148=y + +# +# VME Device Drivers +# +# CONFIG_VME_USER is not set # # File systems diff --git a/arch/powerpc/configs/86xx/gef_sbc610_defconfig b/arch/powerpc/configs/86xx/gef_sbc610_defconfig index 4554d9b..62c2b81 100644 --- a/arch/powerpc/configs/86xx/gef_sbc610_defconfig +++ b/arch/powerpc/configs/86xx/gef_sbc610_defconfig @@ -265,7 +265,7 @@ CONFIG_MMIO_NVRAM=y # # Kernel options # -# CONFIG_HIGHMEM is not set +CONFIG_HIGHMEM=y CONFIG_TICK_ONESHOT=y # CONFIG_NO_HZ is not set CONFIG_HIGH_RES_TIMERS=y @@ -651,7 +651,7 @@ CONFIG_MTD_CONCAT=y CONFIG_MTD_PARTITIONS=y # CONFIG_MTD_REDBOOT_PARTS is not set # CONFIG_MTD_CMDLINE_PARTS is not set -# CONFIG_MTD_OF_PARTS is not set +CONFIG_MTD_OF_PARTS=y # CONFIG_MTD_AR7_PARTS is not set # @@ -671,13 +671,9 @@ CONFIG_MTD_BLOCK=y # RAM/ROM/Flash chip drivers # CONFIG_MTD_CFI=y -# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_JEDECPROBE=y CONFIG_MTD_GEN_PROBE=y -CONFIG_MTD_CFI_ADV_OPTIONS=y -# CONFIG_MTD_CFI_NOSWAP is not set -# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set -CONFIG_MTD_CFI_LE_BYTE_SWAP=y -# CONFIG_MTD_CFI_GEOMETRY is not set +# CONFIG_MTD_CFI_ADV_OPTIONS is not set CONFIG_MTD_MAP_BANK_WIDTH_1=y CONFIG_MTD_MAP_BANK_WIDTH_2=y CONFIG_MTD_MAP_BANK_WIDTH_4=y @@ -688,7 +684,6 @@ CONFIG_MTD_CFI_I1=y CONFIG_MTD_CFI_I2=y # CONFIG_MTD_CFI_I4 is not set # CONFIG_MTD_CFI_I8 is not set -# CONFIG_MTD_OTP is not set CONFIG_MTD_CFI_INTELEXT=y CONFIG_MTD_CFI_AMDSTD=y # CONFIG_MTD_CFI_STAA is not set @@ -1652,7 +1647,44 @@ CONFIG_RTC_DRV_RX8581=y # # TI VLYNQ # -# CONFIG_STAGING is not set +CONFIG_STAGING=y +# CONFIG_STAGING_EXCLUDE_BUILD is not set +# CONFIG_ET131X is not set +# CONFIG_ME4000 is not set +# CONFIG_MEILHAUS is not set +# CONFIG_USB_IP_COMMON is not set +# CONFIG_ECHO is not set +# CONFIG_COMEDI is not set +# CONFIG_ASUS_OLED is not set +# CONFIG_ALTERA_PCIE_CHDMA is not set +# CONFIG_INPUT_MIMIO is not set +# CONFIG_TRANZPORT is not set + +# +# Android +# +# CONFIG_ANDROID is not set +# CONFIG_DST is not set +# CONFIG_POHMELFS is not set +# CONFIG_B3DFG is not set +# CONFIG_IDE_PHISON is not set +# CONFIG_PLAN9AUTH is not set +# CONFIG_HECI is not set +# CONFIG_VT6655 is not set +# CONFIG_USB_CPC is not set +# CONFIG_RDC_17F3101X is not set +CONFIG_VME_BUS=y + +# +# VME Bridge Drivers +# +# CONFIG_VME_CA91CX42 is not set +CONFIG_VME_TSI148=y + +# +# VME Device Drivers +# +# CONFIG_VME_USER is not set # # File systems @@ -1729,7 +1761,17 @@ CONFIG_MISC_FILESYSTEMS=y # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set -# CONFIG_JFFS2_FS is not set +CONFIG_JFFS2_FS=y +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set +# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set +CONFIG_JFFS2_ZLIB=y +# CONFIG_JFFS2_LZO is not set +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set # CONFIG_CRAMFS is not set # CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set @@ -1874,6 +1916,7 @@ CONFIG_DEBUG_PREEMPT=y # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_KOBJECT is not set +# CONFIG_DEBUG_HIGHMEM is not set # CONFIG_DEBUG_BUGVERBOSE is not set CONFIG_DEBUG_INFO=y # CONFIG_DEBUG_VM is not set diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index 7b3804a..b5b2599 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -137,8 +137,9 @@ CONFIG_TRACEPOINTS=y CONFIG_MARKERS=y CONFIG_OPROFILE=y CONFIG_HAVE_OPROFILE=y -# CONFIG_KPROBES is not set +CONFIG_KPROBES=y CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y +CONFIG_KRETPROBES=y CONFIG_HAVE_IOREMAP_PROT=y CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y @@ -191,6 +192,7 @@ CONFIG_SCANLOG=m CONFIG_LPARCFG=y CONFIG_PPC_SMLPAR=y CONFIG_CMM=y +CONFIG_DTL=y CONFIG_PPC_ISERIES=y # @@ -328,9 +330,10 @@ CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y CONFIG_KEXEC=y # CONFIG_PHYP_DUMP is not set CONFIG_IRQ_ALL_CPUS=y -# CONFIG_NUMA is not set +CONFIG_NUMA=y +CONFIG_NODES_SHIFT=8 +CONFIG_MAX_ACTIVE_REGIONS=256 CONFIG_ARCH_SELECT_MEMORY_MODEL=y -CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_DEFAULT=y CONFIG_ARCH_POPULATES_NODE_MAP=y @@ -339,6 +342,7 @@ CONFIG_SELECT_MEMORY_MODEL=y # CONFIG_DISCONTIGMEM_MANUAL is not set CONFIG_SPARSEMEM_MANUAL=y CONFIG_SPARSEMEM=y +CONFIG_NEED_MULTIPLE_NODES=y CONFIG_HAVE_MEMORY_PRESENT=y CONFIG_SPARSEMEM_EXTREME=y CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y @@ -354,11 +358,12 @@ CONFIG_PHYS_ADDR_T_64BIT=y CONFIG_ZONE_DMA_FLAG=1 CONFIG_BOUNCE=y CONFIG_UNEVICTABLE_LRU=y +CONFIG_NODES_SPAN_OTHER_NODES=y CONFIG_ARCH_MEMORY_PROBE=y CONFIG_PPC_HAS_HASH_64K=y # CONFIG_PPC_64K_PAGES is not set CONFIG_FORCE_MAX_ZONEORDER=13 -# CONFIG_SCHED_SMT is not set +CONFIG_SCHED_SMT=y CONFIG_PROC_DEVICETREE=y # CONFIG_CMDLINE_BOOL is not set CONFIG_EXTRA_TARGETS="" @@ -790,12 +795,12 @@ CONFIG_SCSI_IPR=y CONFIG_SCSI_IPR_TRACE=y CONFIG_SCSI_IPR_DUMP=y # CONFIG_SCSI_QLOGIC_1280 is not set -# CONFIG_SCSI_QLA_FC is not set +CONFIG_SCSI_QLA_FC=m # CONFIG_SCSI_QLA_ISCSI is not set CONFIG_SCSI_LPFC=m # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set -CONFIG_SCSI_DEBUG=m +# CONFIG_SCSI_DEBUG is not set # CONFIG_SCSI_SRP is not set # CONFIG_SCSI_LOWLEVEL_PCMCIA is not set # CONFIG_SCSI_DH is not set @@ -867,9 +872,8 @@ CONFIG_MD_AUTODETECT=y CONFIG_MD_LINEAR=y CONFIG_MD_RAID0=y CONFIG_MD_RAID1=y -CONFIG_MD_RAID10=y -CONFIG_MD_RAID456=y -CONFIG_MD_RAID5_RESHAPE=y +CONFIG_MD_RAID10=m +CONFIG_MD_RAID456=m CONFIG_MD_MULTIPATH=m CONFIG_MD_FAULTY=m CONFIG_BLK_DEV_DM=y @@ -984,7 +988,7 @@ CONFIG_ACENIC=m CONFIG_ACENIC_OMIT_TIGON_I=y # CONFIG_DL2K is not set CONFIG_E1000=y -# CONFIG_E1000E is not set +CONFIG_E1000E=m # CONFIG_IP1000 is not set # CONFIG_IGB is not set # CONFIG_NS83820 is not set @@ -1006,19 +1010,19 @@ CONFIG_GELIC_WIRELESS=y # CONFIG_ATL1E is not set # CONFIG_JME is not set CONFIG_NETDEV_10000=y -# CONFIG_CHELSIO_T1 is not set -# CONFIG_CHELSIO_T3 is not set +CONFIG_CHELSIO_T1=m +CONFIG_CHELSIO_T3=m CONFIG_EHEA=m # CONFIG_ENIC is not set -# CONFIG_IXGBE is not set +CONFIG_IXGBE=m CONFIG_IXGB=m -# CONFIG_S2IO is not set -# CONFIG_MYRI10GE is not set -# CONFIG_NETXEN_NIC is not set +CONFIG_S2IO=m +CONFIG_MYRI10GE=m +CONFIG_NETXEN_NIC=m # CONFIG_NIU is not set CONFIG_PASEMI_MAC=y -# CONFIG_MLX4_EN is not set -# CONFIG_MLX4_CORE is not set +CONFIG_MLX4_EN=m +CONFIG_MLX4_CORE=m # CONFIG_TEHUTI is not set # CONFIG_BNX2X is not set # CONFIG_QLGE is not set @@ -1169,7 +1173,7 @@ CONFIG_SERIAL_TXX9=y CONFIG_HAS_TXX9_SERIAL=y CONFIG_SERIAL_TXX9_NR_UARTS=6 CONFIG_SERIAL_TXX9_CONSOLE=y -# CONFIG_SERIAL_JSM is not set +CONFIG_SERIAL_JSM=m # CONFIG_SERIAL_OF_PLATFORM is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y @@ -1586,7 +1590,7 @@ CONFIG_USB_DEVICEFS=y CONFIG_USB_DEVICE_CLASS=y # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_OTG is not set -# CONFIG_USB_MON is not set +CONFIG_USB_MON=m # CONFIG_USB_WUSB is not set # CONFIG_USB_WUSB_CBAF is not set @@ -1686,21 +1690,22 @@ CONFIG_USB_APPLEDISPLAY=m # CONFIG_NEW_LEDS is not set # CONFIG_ACCESSIBILITY is not set CONFIG_INFINIBAND=m -# CONFIG_INFINIBAND_USER_MAD is not set -# CONFIG_INFINIBAND_USER_ACCESS is not set +CONFIG_INFINIBAND_USER_MAD=m +CONFIG_INFINIBAND_USER_ACCESS=m +CONFIG_INFINIBAND_USER_MEM=y CONFIG_INFINIBAND_ADDR_TRANS=y CONFIG_INFINIBAND_MTHCA=m CONFIG_INFINIBAND_MTHCA_DEBUG=y -# CONFIG_INFINIBAND_IPATH is not set +CONFIG_INFINIBAND_IPATH=m CONFIG_INFINIBAND_EHCA=m # CONFIG_INFINIBAND_AMSO1100 is not set -# CONFIG_MLX4_INFINIBAND is not set +CONFIG_MLX4_INFINIBAND=m # CONFIG_INFINIBAND_NES is not set CONFIG_INFINIBAND_IPOIB=m -# CONFIG_INFINIBAND_IPOIB_CM is not set +CONFIG_INFINIBAND_IPOIB_CM=y CONFIG_INFINIBAND_IPOIB_DEBUG=y # CONFIG_INFINIBAND_IPOIB_DEBUG_DATA is not set -# CONFIG_INFINIBAND_SRP is not set +CONFIG_INFINIBAND_SRP=m CONFIG_INFINIBAND_ISER=m CONFIG_EDAC=y @@ -1798,7 +1803,7 @@ CONFIG_REISERFS_FS=y CONFIG_REISERFS_FS_XATTR=y CONFIG_REISERFS_FS_POSIX_ACL=y CONFIG_REISERFS_FS_SECURITY=y -CONFIG_JFS_FS=y +CONFIG_JFS_FS=m CONFIG_JFS_POSIX_ACL=y CONFIG_JFS_SECURITY=y # CONFIG_JFS_DEBUG is not set @@ -1811,14 +1816,22 @@ CONFIG_XFS_POSIX_ACL=y # CONFIG_XFS_RT is not set # CONFIG_XFS_DEBUG is not set # CONFIG_GFS2_FS is not set -# CONFIG_OCFS2_FS is not set +CONFIG_OCFS2_FS=m +CONFIG_OCFS2_FS_O2CB=m +CONFIG_OCFS2_FS_STATS=y +CONFIG_OCFS2_DEBUG_MASKLOG=y +# CONFIG_OCFS2_DEBUG_FS is not set +# CONFIG_OCFS2_COMPAT_JBD is not set +CONFIG_BTRFS_FS=m +CONFIG_BTRFS_FS_POSIX_ACL=y +CONFIG_NILFS2_FS=m CONFIG_DNOTIFY=y CONFIG_INOTIFY=y CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set # CONFIG_AUTOFS_FS is not set CONFIG_AUTOFS4_FS=m -# CONFIG_FUSE_FS is not set +CONFIG_FUSE_FS=m # # CD-ROM/DVD Filesystems @@ -1851,7 +1864,7 @@ CONFIG_TMPFS=y # CONFIG_TMPFS_POSIX_ACL is not set CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y -# CONFIG_CONFIGFS_FS is not set +CONFIG_CONFIGFS_FS=m # # Miscellaneous filesystems @@ -2075,7 +2088,7 @@ CONFIG_XMON=y CONFIG_XMON_DISASSEMBLY=y CONFIG_DEBUGGER=y CONFIG_IRQSTACKS=y -# CONFIG_VIRQ_DEBUG is not set +CONFIG_VIRQ_DEBUG=y CONFIG_BOOTX_TEXT=y # CONFIG_PPC_EARLY_DEBUG is not set diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index ca9ff9a..41de3dd 100644 --- a/arch/powerpc/configs/pseries_defconfig +++ b/arch/powerpc/configs/pseries_defconfig @@ -159,7 +159,7 @@ CONFIG_MODULE_SRCVERSION_ALL=y CONFIG_KMOD=y CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y -# CONFIG_BLK_DEV_IO_TRACE is not set +CONFIG_BLK_DEV_IO_TRACE=y CONFIG_BLK_DEV_BSG=y # CONFIG_BLK_DEV_INTEGRITY is not set CONFIG_BLOCK_COMPAT=y @@ -191,6 +191,7 @@ CONFIG_SCANLOG=m CONFIG_LPARCFG=y CONFIG_PPC_SMLPAR=y CONFIG_CMM=y +CONFIG_DTL=y # CONFIG_PPC_ISERIES is not set # CONFIG_PPC_PMAC is not set # CONFIG_PPC_MAPLE is not set @@ -255,7 +256,8 @@ CONFIG_KEXEC=y # CONFIG_PHYP_DUMP is not set CONFIG_IRQ_ALL_CPUS=y CONFIG_NUMA=y -CONFIG_NODES_SHIFT=4 +CONFIG_NODES_SHIFT=8 +CONFIG_MAX_ACTIVE_REGIONS=256 CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_DEFAULT=y @@ -270,7 +272,9 @@ CONFIG_HAVE_MEMORY_PRESENT=y CONFIG_SPARSEMEM_EXTREME=y CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y CONFIG_SPARSEMEM_VMEMMAP=y -# CONFIG_MEMORY_HOTPLUG is not set +CONFIG_MEMORY_HOTPLUG=y +CONFIG_MEMORY_HOTPLUG_SPARSE=y +CONFIG_MEMORY_HOTREMOVE=y CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_MIGRATION=y @@ -705,7 +709,7 @@ CONFIG_MD_LINEAR=y CONFIG_MD_RAID0=y CONFIG_MD_RAID1=y CONFIG_MD_RAID10=m -# CONFIG_MD_RAID456 is not set +CONFIG_MD_RAID456=m CONFIG_MD_MULTIPATH=m CONFIG_MD_FAULTY=m CONFIG_BLK_DEV_DM=y @@ -800,7 +804,7 @@ CONFIG_ACENIC=m CONFIG_ACENIC_OMIT_TIGON_I=y # CONFIG_DL2K is not set CONFIG_E1000=y -# CONFIG_E1000E is not set +CONFIG_E1000E=m # CONFIG_IP1000 is not set # CONFIG_IGB is not set # CONFIG_NS83820 is not set @@ -818,18 +822,18 @@ CONFIG_TIGON3=y # CONFIG_ATL1E is not set # CONFIG_JME is not set CONFIG_NETDEV_10000=y -# CONFIG_CHELSIO_T1 is not set -# CONFIG_CHELSIO_T3 is not set +CONFIG_CHELSIO_T1=m +CONFIG_CHELSIO_T3=m CONFIG_EHEA=y # CONFIG_ENIC is not set -# CONFIG_IXGBE is not set +CONFIG_IXGBE=m CONFIG_IXGB=m CONFIG_S2IO=m -# CONFIG_MYRI10GE is not set -# CONFIG_NETXEN_NIC is not set +CONFIG_MYRI10GE=m +CONFIG_NETXEN_NIC=m # CONFIG_NIU is not set -# CONFIG_MLX4_EN is not set -# CONFIG_MLX4_CORE is not set +CONFIG_MLX4_EN=m +CONFIG_MLX4_CORE=m # CONFIG_TEHUTI is not set # CONFIG_BNX2X is not set # CONFIG_QLGE is not set @@ -894,7 +898,7 @@ CONFIG_INPUT_MOUSEDEV=y CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 # CONFIG_INPUT_JOYDEV is not set -# CONFIG_INPUT_EVDEV is not set +CONFIG_INPUT_EVDEV=m # CONFIG_INPUT_EVBUG is not set # @@ -1271,7 +1275,7 @@ CONFIG_USB_DEVICEFS=y CONFIG_USB_DEVICE_CLASS=y # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_OTG is not set -CONFIG_USB_MON=y +CONFIG_USB_MON=m # CONFIG_USB_WUSB is not set # CONFIG_USB_WUSB_CBAF is not set @@ -1311,7 +1315,7 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y # # may also be needed; see USB_STORAGE Help for more information # -CONFIG_USB_STORAGE=y +CONFIG_USB_STORAGE=m # CONFIG_USB_STORAGE_DEBUG is not set # CONFIG_USB_STORAGE_DATAFAB is not set # CONFIG_USB_STORAGE_FREECOM is not set @@ -1322,7 +1326,7 @@ CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_SDDR55 is not set # CONFIG_USB_STORAGE_JUMPSHOT is not set # CONFIG_USB_STORAGE_ALAUDA is not set -CONFIG_USB_STORAGE_ONETOUCH=y +# CONFIG_USB_STORAGE_ONETOUCH is not set # CONFIG_USB_STORAGE_KARMA is not set # CONFIG_USB_STORAGE_CYPRESS_ATACB is not set # CONFIG_USB_LIBUSUAL is not set @@ -1377,17 +1381,17 @@ CONFIG_INFINIBAND_USER_MEM=y CONFIG_INFINIBAND_ADDR_TRANS=y CONFIG_INFINIBAND_MTHCA=m CONFIG_INFINIBAND_MTHCA_DEBUG=y -# CONFIG_INFINIBAND_IPATH is not set +CONFIG_INFINIBAND_IPATH=m CONFIG_INFINIBAND_EHCA=m # CONFIG_INFINIBAND_AMSO1100 is not set -# CONFIG_MLX4_INFINIBAND is not set +CONFIG_MLX4_INFINIBAND=m # CONFIG_INFINIBAND_NES is not set CONFIG_INFINIBAND_IPOIB=m -# CONFIG_INFINIBAND_IPOIB_CM is not set +CONFIG_INFINIBAND_IPOIB_CM=y CONFIG_INFINIBAND_IPOIB_DEBUG=y # CONFIG_INFINIBAND_IPOIB_DEBUG_DATA is not set CONFIG_INFINIBAND_SRP=m -# CONFIG_INFINIBAND_ISER is not set +CONFIG_INFINIBAND_ISER=m # CONFIG_EDAC is not set # CONFIG_RTC_CLASS is not set # CONFIG_DMADEVICES is not set @@ -1443,6 +1447,9 @@ CONFIG_OCFS2_FS_STATS=y CONFIG_OCFS2_DEBUG_MASKLOG=y # CONFIG_OCFS2_DEBUG_FS is not set # CONFIG_OCFS2_COMPAT_JBD is not set +CONFIG_BTRFS_FS=m +CONFIG_BTRFS_FS_POSIX_ACL=y +CONFIG_NILFS2_FS=m CONFIG_DNOTIFY=y CONFIG_INOTIFY=y CONFIG_INOTIFY_USER=y @@ -1455,8 +1462,8 @@ CONFIG_FUSE_FS=m # CD-ROM/DVD Filesystems # CONFIG_ISO9660_FS=y -CONFIG_JOLIET=y -CONFIG_ZISOFS=y +# CONFIG_JOLIET is not set +# CONFIG_ZISOFS is not set CONFIG_UDF_FS=m CONFIG_UDF_NLS=y @@ -1508,14 +1515,14 @@ CONFIG_NFS_FS=y CONFIG_NFS_V3=y CONFIG_NFS_V3_ACL=y CONFIG_NFS_V4=y -CONFIG_NFSD=y +CONFIG_NFSD=m CONFIG_NFSD_V2_ACL=y CONFIG_NFSD_V3=y CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y -CONFIG_EXPORTFS=y +CONFIG_EXPORTFS=m CONFIG_NFS_ACL_SUPPORT=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y @@ -1681,12 +1688,12 @@ CONFIG_DYNAMIC_PRINTK_DEBUG=y CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set CONFIG_DEBUG_STACKOVERFLOW=y -# CONFIG_DEBUG_STACK_USAGE is not set +CONFIG_DEBUG_STACK_USAGE=y # CONFIG_DEBUG_PAGEALLOC is not set # CONFIG_HCALL_STATS is not set -# CONFIG_CODE_PATCHING_SELFTEST is not set -# CONFIG_FTR_FIXUP_SELFTEST is not set -# CONFIG_MSI_BITMAP_SELFTEST is not set +CONFIG_CODE_PATCHING_SELFTEST=y +CONFIG_FTR_FIXUP_SELFTEST=y +CONFIG_MSI_BITMAP_SELFTEST=y CONFIG_XMON=y CONFIG_XMON_DEFAULT=y CONFIG_XMON_DISASSEMBLY=y diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h index 8f0fe79..c1b475a 100644 --- a/arch/powerpc/include/asm/asm-compat.h +++ b/arch/powerpc/include/asm/asm-compat.h @@ -2,6 +2,7 @@ #define _ASM_POWERPC_ASM_COMPAT_H #include <asm/types.h> +#include <asm/ppc-opcode.h> #ifdef __ASSEMBLY__ # define stringify_in_c(...) __VA_ARGS__ @@ -24,7 +25,7 @@ #define PPC_LONG stringify_in_c(.llong) #define PPC_LONG_ALIGN stringify_in_c(.balign 8) #define PPC_TLNEI stringify_in_c(tdnei) -#define PPC_LLARX stringify_in_c(ldarx) +#define PPC_LLARX(t, a, b, eh) PPC_LDARX(t, a, b, eh) #define PPC_STLCX stringify_in_c(stdcx.) #define PPC_CNTLZL stringify_in_c(cntlzd) @@ -46,7 +47,7 @@ #define PPC_LONG stringify_in_c(.long) #define PPC_LONG_ALIGN stringify_in_c(.balign 4) #define PPC_TLNEI stringify_in_c(twnei) -#define PPC_LLARX stringify_in_c(lwarx) +#define PPC_LLARX(t, a, b, eh) PPC_LWARX(t, a, b, eh) #define PPC_STLCX stringify_in_c(stwcx.) #define PPC_CNTLZL stringify_in_c(cntlzw) #define PPC_MTOCRF stringify_in_c(mtcrf) diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h index 4012483..b8f152e 100644 --- a/arch/powerpc/include/asm/atomic.h +++ b/arch/powerpc/include/asm/atomic.h @@ -49,13 +49,13 @@ static __inline__ int atomic_add_return(int a, atomic_t *v) int t; __asm__ __volatile__( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: lwarx %0,0,%2 # atomic_add_return\n\ add %0,%1,%0\n" PPC405_ERR77(0,%2) " stwcx. %0,0,%2 \n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -85,13 +85,13 @@ static __inline__ int atomic_sub_return(int a, atomic_t *v) int t; __asm__ __volatile__( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: lwarx %0,0,%2 # atomic_sub_return\n\ subf %0,%1,%0\n" PPC405_ERR77(0,%2) " stwcx. %0,0,%2 \n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -119,13 +119,13 @@ static __inline__ int atomic_inc_return(atomic_t *v) int t; __asm__ __volatile__( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: lwarx %0,0,%1 # atomic_inc_return\n\ addic %0,%0,1\n" PPC405_ERR77(0,%1) " stwcx. %0,0,%1 \n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -163,13 +163,13 @@ static __inline__ int atomic_dec_return(atomic_t *v) int t; __asm__ __volatile__( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: lwarx %0,0,%1 # atomic_dec_return\n\ addic %0,%0,-1\n" PPC405_ERR77(0,%1) " stwcx. %0,0,%1\n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -194,7 +194,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) int t; __asm__ __volatile__ ( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: lwarx %0,0,%1 # atomic_add_unless\n\ cmpw 0,%0,%3 \n\ beq- 2f \n\ @@ -202,7 +202,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) PPC405_ERR77(0,%2) " stwcx. %0,0,%1 \n\ bne- 1b \n" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER " subf %0,%2,%0 \n\ 2:" : "=&r" (t) @@ -227,7 +227,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v) int t; __asm__ __volatile__( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: lwarx %0,0,%1 # atomic_dec_if_positive\n\ cmpwi %0,1\n\ addi %0,%0,-1\n\ @@ -235,7 +235,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v) PPC405_ERR77(0,%1) " stwcx. %0,0,%1\n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER "\n\ 2:" : "=&b" (t) : "r" (&v->counter) @@ -286,12 +286,12 @@ static __inline__ long atomic64_add_return(long a, atomic64_t *v) long t; __asm__ __volatile__( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: ldarx %0,0,%2 # atomic64_add_return\n\ add %0,%1,%0\n\ stdcx. %0,0,%2 \n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -320,12 +320,12 @@ static __inline__ long atomic64_sub_return(long a, atomic64_t *v) long t; __asm__ __volatile__( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: ldarx %0,0,%2 # atomic64_sub_return\n\ subf %0,%1,%0\n\ stdcx. %0,0,%2 \n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER : "=&r" (t) : "r" (a), "r" (&v->counter) : "cc", "memory"); @@ -352,12 +352,12 @@ static __inline__ long atomic64_inc_return(atomic64_t *v) long t; __asm__ __volatile__( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: ldarx %0,0,%1 # atomic64_inc_return\n\ addic %0,%0,1\n\ stdcx. %0,0,%1 \n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -394,12 +394,12 @@ static __inline__ long atomic64_dec_return(atomic64_t *v) long t; __asm__ __volatile__( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: ldarx %0,0,%1 # atomic64_dec_return\n\ addic %0,%0,-1\n\ stdcx. %0,0,%1\n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "xer", "memory"); @@ -419,13 +419,13 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v) long t; __asm__ __volatile__( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: ldarx %0,0,%1 # atomic64_dec_if_positive\n\ addic. %0,%0,-1\n\ blt- 2f\n\ stdcx. %0,0,%1\n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER "\n\ 2:" : "=&r" (t) : "r" (&v->counter) @@ -451,14 +451,14 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) long t; __asm__ __volatile__ ( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: ldarx %0,0,%1 # atomic_add_unless\n\ cmpd 0,%0,%3 \n\ beq- 2f \n\ add %0,%2,%0 \n" " stdcx. %0,0,%1 \n\ bne- 1b \n" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER " subf %0,%2,%0 \n\ 2:" : "=&r" (t) diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index 56f2f2e..30964ae 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -65,7 +65,7 @@ static __inline__ void fn(unsigned long mask, \ unsigned long *p = (unsigned long *)_p; \ __asm__ __volatile__ ( \ prefix \ -"1:" PPC_LLARX "%0,0,%3\n" \ +"1:" PPC_LLARX(%0,0,%3,0) "\n" \ stringify_in_c(op) "%0,%0,%2\n" \ PPC405_ERR77(0,%3) \ PPC_STLCX "%0,0,%3\n" \ @@ -78,7 +78,7 @@ static __inline__ void fn(unsigned long mask, \ DEFINE_BITOP(set_bits, or, "", "") DEFINE_BITOP(clear_bits, andc, "", "") -DEFINE_BITOP(clear_bits_unlock, andc, LWSYNC_ON_SMP, "") +DEFINE_BITOP(clear_bits_unlock, andc, PPC_RELEASE_BARRIER, "") DEFINE_BITOP(change_bits, xor, "", "") static __inline__ void set_bit(int nr, volatile unsigned long *addr) @@ -103,31 +103,35 @@ static __inline__ void change_bit(int nr, volatile unsigned long *addr) /* Like DEFINE_BITOP(), with changes to the arguments to 'op' and the output * operands. */ -#define DEFINE_TESTOP(fn, op, prefix, postfix) \ -static __inline__ unsigned long fn( \ - unsigned long mask, \ - volatile unsigned long *_p) \ -{ \ - unsigned long old, t; \ - unsigned long *p = (unsigned long *)_p; \ - __asm__ __volatile__ ( \ - prefix \ -"1:" PPC_LLARX "%0,0,%3\n" \ - stringify_in_c(op) "%1,%0,%2\n" \ - PPC405_ERR77(0,%3) \ - PPC_STLCX "%1,0,%3\n" \ - "bne- 1b\n" \ - postfix \ - : "=&r" (old), "=&r" (t) \ - : "r" (mask), "r" (p) \ - : "cc", "memory"); \ - return (old & mask); \ +#define DEFINE_TESTOP(fn, op, prefix, postfix, eh) \ +static __inline__ unsigned long fn( \ + unsigned long mask, \ + volatile unsigned long *_p) \ +{ \ + unsigned long old, t; \ + unsigned long *p = (unsigned long *)_p; \ + __asm__ __volatile__ ( \ + prefix \ +"1:" PPC_LLARX(%0,0,%3,eh) "\n" \ + stringify_in_c(op) "%1,%0,%2\n" \ + PPC405_ERR77(0,%3) \ + PPC_STLCX "%1,0,%3\n" \ + "bne- 1b\n" \ + postfix \ + : "=&r" (old), "=&r" (t) \ + : "r" (mask), "r" (p) \ + : "cc", "memory"); \ + return (old & mask); \ } -DEFINE_TESTOP(test_and_set_bits, or, LWSYNC_ON_SMP, ISYNC_ON_SMP) -DEFINE_TESTOP(test_and_set_bits_lock, or, "", ISYNC_ON_SMP) -DEFINE_TESTOP(test_and_clear_bits, andc, LWSYNC_ON_SMP, ISYNC_ON_SMP) -DEFINE_TESTOP(test_and_change_bits, xor, LWSYNC_ON_SMP, ISYNC_ON_SMP) +DEFINE_TESTOP(test_and_set_bits, or, PPC_RELEASE_BARRIER, + PPC_ACQUIRE_BARRIER, 0) +DEFINE_TESTOP(test_and_set_bits_lock, or, "", + PPC_ACQUIRE_BARRIER, 1) +DEFINE_TESTOP(test_and_clear_bits, andc, PPC_RELEASE_BARRIER, + PPC_ACQUIRE_BARRIER, 0) +DEFINE_TESTOP(test_and_change_bits, xor, PPC_RELEASE_BARRIER, + PPC_ACQUIRE_BARRIER, 0) static __inline__ int test_and_set_bit(unsigned long nr, volatile unsigned long *addr) @@ -158,7 +162,7 @@ static __inline__ int test_and_change_bit(unsigned long nr, static __inline__ void __clear_bit_unlock(int nr, volatile unsigned long *addr) { - __asm__ __volatile__(LWSYNC_ON_SMP "" ::: "memory"); + __asm__ __volatile__(PPC_RELEASE_BARRIER "" ::: "memory"); __clear_bit(nr, addr); } diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index 80f315e..abb833b 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -381,9 +381,9 @@ extern const char *powerpc_base_platform; #define CPU_FTRS_GENERIC_32 (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN) /* 64-bit CPUs */ -#define CPU_FTRS_POWER3 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ +#define CPU_FTRS_POWER3 (CPU_FTR_USE_TB | \ CPU_FTR_IABR | CPU_FTR_PPC_LE) -#define CPU_FTRS_RS64 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ +#define CPU_FTRS_RS64 (CPU_FTR_USE_TB | \ CPU_FTR_IABR | \ CPU_FTR_MMCRA | CPU_FTR_CTRL) #define CPU_FTRS_POWER4 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h index fa19f3f..8bdc6a9 100644 --- a/arch/powerpc/include/asm/cputime.h +++ b/arch/powerpc/include/asm/cputime.h @@ -73,10 +73,9 @@ static inline unsigned long cputime_to_jiffies(const cputime_t ct) static inline cputime_t cputime_to_scaled(const cputime_t ct) { if (cpu_has_feature(CPU_FTR_SPURR) && - per_cpu(cputime_last_delta, smp_processor_id())) - return ct * - per_cpu(cputime_scaled_last_delta, smp_processor_id())/ - per_cpu(cputime_last_delta, smp_processor_id()); + __get_cpu_var(cputime_last_delta)) + return ct * __get_cpu_var(cputime_scaled_last_delta) / + __get_cpu_var(cputime_last_delta); return ct; } diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h index 9696cc3..7c589ef 100644 --- a/arch/powerpc/include/asm/futex.h +++ b/arch/powerpc/include/asm/futex.h @@ -11,7 +11,7 @@ #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ __asm__ __volatile ( \ - LWSYNC_ON_SMP \ + PPC_RELEASE_BARRIER \ "1: lwarx %0,0,%2\n" \ insn \ PPC405_ERR77(0, %2) \ @@ -90,14 +90,14 @@ futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) return -EFAULT; __asm__ __volatile__ ( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: lwarx %0,0,%2 # futex_atomic_cmpxchg_inatomic\n\ cmpw 0,%0,%3\n\ bne- 3f\n" PPC405_ERR77(0,%2) "2: stwcx. %4,0,%2\n\ bne- 1b\n" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER "3: .section .fixup,\"ax\"\n\ 4: li %0,%5\n\ b 3b\n\ diff --git a/arch/powerpc/include/asm/hardirq.h b/arch/powerpc/include/asm/hardirq.h index fb3c05a..3147a29 100644 --- a/arch/powerpc/include/asm/hardirq.h +++ b/arch/powerpc/include/asm/hardirq.h @@ -1 +1,29 @@ -#include <asm-generic/hardirq.h> +#ifndef _ASM_POWERPC_HARDIRQ_H +#define _ASM_POWERPC_HARDIRQ_H + +#include <linux/threads.h> +#include <linux/irq.h> + +typedef struct { + unsigned int __softirq_pending; + unsigned int timer_irqs; + unsigned int pmu_irqs; + unsigned int mce_exceptions; + unsigned int spurious_irqs; +} ____cacheline_aligned irq_cpustat_t; + +DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); + +#define __ARCH_IRQ_STAT + +#define local_softirq_pending() __get_cpu_var(irq_stat).__softirq_pending + +static inline void ack_bad_irq(unsigned int irq) +{ + printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq); +} + +extern u64 arch_irq_stat_cpu(unsigned int cpu); +#define arch_irq_stat_cpu arch_irq_stat_cpu + +#endif /* _ASM_POWERPC_HARDIRQ_H */ diff --git a/arch/powerpc/include/asm/local.h b/arch/powerpc/include/asm/local.h index 84b457a..ce58c80 100644 --- a/arch/powerpc/include/asm/local.h +++ b/arch/powerpc/include/asm/local.h @@ -24,7 +24,7 @@ static __inline__ long local_add_return(long a, local_t *l) long t; __asm__ __volatile__( -"1:" PPC_LLARX "%0,0,%2 # local_add_return\n\ +"1:" PPC_LLARX(%0,0,%2,0) " # local_add_return\n\ add %0,%1,%0\n" PPC405_ERR77(0,%2) PPC_STLCX "%0,0,%2 \n\ @@ -43,7 +43,7 @@ static __inline__ long local_sub_return(long a, local_t *l) long t; __asm__ __volatile__( -"1:" PPC_LLARX "%0,0,%2 # local_sub_return\n\ +"1:" PPC_LLARX(%0,0,%2,0) " # local_sub_return\n\ subf %0,%1,%0\n" PPC405_ERR77(0,%2) PPC_STLCX "%0,0,%2 \n\ @@ -60,7 +60,7 @@ static __inline__ long local_inc_return(local_t *l) long t; __asm__ __volatile__( -"1:" PPC_LLARX "%0,0,%1 # local_inc_return\n\ +"1:" PPC_LLARX(%0,0,%1,0) " # local_inc_return\n\ addic %0,%0,1\n" PPC405_ERR77(0,%1) PPC_STLCX "%0,0,%1 \n\ @@ -87,7 +87,7 @@ static __inline__ long local_dec_return(local_t *l) long t; __asm__ __volatile__( -"1:" PPC_LLARX "%0,0,%1 # local_dec_return\n\ +"1:" PPC_LLARX(%0,0,%1,0) " # local_dec_return\n\ addic %0,%0,-1\n" PPC405_ERR77(0,%1) PPC_STLCX "%0,0,%1\n\ @@ -117,7 +117,7 @@ static __inline__ int local_add_unless(local_t *l, long a, long u) long t; __asm__ __volatile__ ( -"1:" PPC_LLARX "%0,0,%1 # local_add_unless\n\ +"1:" PPC_LLARX(%0,0,%1,0) " # local_add_unless\n\ cmpw 0,%0,%3 \n\ beq- 2f \n\ add %0,%2,%0 \n" @@ -147,7 +147,7 @@ static __inline__ long local_dec_if_positive(local_t *l) long t; __asm__ __volatile__( -"1:" PPC_LLARX "%0,0,%1 # local_dec_if_positive\n\ +"1:" PPC_LLARX(%0,0,%1,0) " # local_dec_if_positive\n\ cmpwi %0,1\n\ addi %0,%0,-1\n\ blt- 2f\n" diff --git a/arch/powerpc/include/asm/mutex.h b/arch/powerpc/include/asm/mutex.h index dabc01c..5399f7e 100644 --- a/arch/powerpc/include/asm/mutex.h +++ b/arch/powerpc/include/asm/mutex.h @@ -15,7 +15,7 @@ static inline int __mutex_cmpxchg_lock(atomic_t *v, int old, int new) PPC405_ERR77(0,%1) " stwcx. %3,0,%1\n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER "\n\ 2:" : "=&r" (t) @@ -35,7 +35,7 @@ static inline int __mutex_dec_return_lock(atomic_t *v) PPC405_ERR77(0,%1) " stwcx. %0,0,%1\n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER : "=&r" (t) : "r" (&v->counter) : "cc", "memory"); @@ -48,7 +48,7 @@ static inline int __mutex_inc_return_unlock(atomic_t *v) int t; __asm__ __volatile__( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: lwarx %0,0,%1 # mutex unlock\n\ addic %0,%0,1\n" PPC405_ERR77(0,%1) diff --git a/arch/powerpc/include/asm/param.h b/arch/powerpc/include/asm/param.h index 094f63d..965d454 100644 --- a/arch/powerpc/include/asm/param.h +++ b/arch/powerpc/include/asm/param.h @@ -1,22 +1 @@ -#ifndef _ASM_POWERPC_PARAM_H -#define _ASM_POWERPC_PARAM_H - -#ifdef __KERNEL__ -#define HZ CONFIG_HZ /* internal kernel timer frequency */ -#define USER_HZ 100 /* for user interfaces in "ticks" */ -#define CLOCKS_PER_SEC (USER_HZ) /* frequency at which times() counts */ -#endif /* __KERNEL__ */ - -#ifndef HZ -#define HZ 100 -#endif - -#define EXEC_PAGESIZE 4096 - -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ - -#endif /* _ASM_POWERPC_PARAM_H */ +#include <asm-generic/param.h> diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index ef9aa84..aea7147 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -22,8 +22,10 @@ #define PPC_INST_DCBZL 0x7c2007ec #define PPC_INST_ISEL 0x7c00001e #define PPC_INST_ISEL_MASK 0xfc00003e +#define PPC_INST_LDARX 0x7c0000a8 #define PPC_INST_LSWI 0x7c0004aa #define PPC_INST_LSWX 0x7c00042a +#define PPC_INST_LWARX 0x7c000029 #define PPC_INST_LWSYNC 0x7c2004ac #define PPC_INST_LXVD2X 0x7c000698 #define PPC_INST_MCRXR 0x7c000400 @@ -55,15 +57,31 @@ #define __PPC_RA(a) (((a) & 0x1f) << 16) #define __PPC_RB(b) (((b) & 0x1f) << 11) #define __PPC_RS(s) (((s) & 0x1f) << 21) +#define __PPC_RT(s) __PPC_RS(s) #define __PPC_XS(s) ((((s) & 0x1f) << 21) | (((s) & 0x20) >> 5)) #define __PPC_T_TLB(t) (((t) & 0x3) << 21) #define __PPC_WC(w) (((w) & 0x3) << 21) +/* + * Only use the larx hint bit on 64bit CPUs. Once we verify it doesn't have + * any side effects on all 32bit processors, we can do this all the time. + */ +#ifdef CONFIG_PPC64 +#define __PPC_EH(eh) (((eh) & 0x1) << 0) +#else +#define __PPC_EH(eh) 0 +#endif /* Deal with instructions that older assemblers aren't aware of */ #define PPC_DCBAL(a, b) stringify_in_c(.long PPC_INST_DCBAL | \ __PPC_RA(a) | __PPC_RB(b)) #define PPC_DCBZL(a, b) stringify_in_c(.long PPC_INST_DCBZL | \ __PPC_RA(a) | __PPC_RB(b)) +#define PPC_LDARX(t, a, b, eh) stringify_in_c(.long PPC_INST_LDARX | \ + __PPC_RT(t) | __PPC_RA(a) | \ + __PPC_RB(b) | __PPC_EH(eh)) +#define PPC_LWARX(t, a, b, eh) stringify_in_c(.long PPC_INST_LWARX | \ + __PPC_RT(t) | __PPC_RA(a) | \ + __PPC_RB(b) | __PPC_EH(eh)) #define PPC_MSGSND(b) stringify_in_c(.long PPC_INST_MSGSND | \ __PPC_RB(b)) #define PPC_RFCI stringify_in_c(.long PPC_INST_RFCI) diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h index 2828f9d..42fdff0 100644 --- a/arch/powerpc/include/asm/ppc-pci.h +++ b/arch/powerpc/include/asm/ppc-pci.h @@ -137,6 +137,11 @@ struct device_node * find_device_pe(struct device_node *dn); void eeh_sysfs_add_device(struct pci_dev *pdev); void eeh_sysfs_remove_device(struct pci_dev *pdev); +static inline const char *eeh_pci_name(struct pci_dev *pdev) +{ + return pdev ? pci_name(pdev) : "<null>"; +} + #endif /* CONFIG_EEH */ #else /* CONFIG_PCI */ diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index 9eed29e..221ba62 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -161,9 +161,41 @@ struct thread_struct { #ifdef CONFIG_PPC32 void *pgdir; /* root of page-table tree */ #endif -#if defined(CONFIG_4xx) || defined (CONFIG_BOOKE) - unsigned long dbcr0; /* debug control register values */ +#ifdef CONFIG_PPC_ADV_DEBUG_REGS + /* + * The following help to manage the use of Debug Control Registers + * om the BookE platforms. + */ + unsigned long dbcr0; unsigned long dbcr1; +#ifdef CONFIG_BOOKE + unsigned long dbcr2; +#endif + /* + * The stored value of the DBSR register will be the value at the + * last debug interrupt. This register can only be read from the + * user (will never be written to) and has value while helping to + * describe the reason for the last debug trap. Torez + */ + unsigned long dbsr; + /* + * The following will contain addresses used by debug applications + * to help trace and trap on particular address locations. + * The bits in the Debug Control Registers above help define which + * of the following registers will contain valid data and/or addresses. + */ + unsigned long iac1; + unsigned long iac2; +#if CONFIG_PPC_ADV_DEBUG_IACS > 2 + unsigned long iac3; + unsigned long iac4; +#endif + unsigned long dac1; + unsigned long dac2; +#if CONFIG_PPC_ADV_DEBUG_DVCS > 0 + unsigned long dvc1; + unsigned long dvc2; +#endif #endif /* FP and VSX 0-31 register set */ double fpr[32][TS_FPRWIDTH]; diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index cbd759e..b451081 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -24,6 +24,12 @@ * 2 of the License, or (at your option) any later version. */ +#ifdef __KERNEL__ +#include <linux/types.h> +#else +#include <stdint.h> +#endif + #ifndef __ASSEMBLY__ struct pt_regs { @@ -294,4 +300,75 @@ extern void user_disable_single_step(struct task_struct *); #define PTRACE_SINGLEBLOCK 0x100 /* resume execution until next branch */ +#define PPC_PTRACE_GETHWDBGINFO 0x89 +#define PPC_PTRACE_SETHWDEBUG 0x88 +#define PPC_PTRACE_DELHWDEBUG 0x87 + +#ifndef __ASSEMBLY__ + +struct ppc_debug_info { + uint32_t version; /* Only version 1 exists to date */ + uint32_t num_instruction_bps; + uint32_t num_data_bps; + uint32_t num_condition_regs; + uint32_t data_bp_alignment; + uint32_t sizeof_condition; /* size of the DVC register */ + uint64_t features; +}; + +#endif /* __ASSEMBLY__ */ + +/* + * features will have bits indication whether there is support for: + */ +#define PPC_DEBUG_FEATURE_INSN_BP_RANGE 0x0000000000000001 +#define PPC_DEBUG_FEATURE_INSN_BP_MASK 0x0000000000000002 +#define PPC_DEBUG_FEATURE_DATA_BP_RANGE 0x0000000000000004 +#define PPC_DEBUG_FEATURE_DATA_BP_MASK 0x0000000000000008 + +#ifndef __ASSEMBLY__ + +struct ppc_hw_breakpoint { + uint32_t version; /* currently, version must be 1 */ + uint32_t trigger_type; /* only some combinations allowed */ + uint32_t addr_mode; /* address match mode */ + uint32_t condition_mode; /* break/watchpoint condition flags */ + uint64_t addr; /* break/watchpoint address */ + uint64_t addr2; /* range end or mask */ + uint64_t condition_value; /* contents of the DVC register */ +}; + +#endif /* __ASSEMBLY__ */ + +/* + * Trigger Type + */ +#define PPC_BREAKPOINT_TRIGGER_EXECUTE 0x00000001 +#define PPC_BREAKPOINT_TRIGGER_READ 0x00000002 +#define PPC_BREAKPOINT_TRIGGER_WRITE 0x00000004 +#define PPC_BREAKPOINT_TRIGGER_RW \ + (PPC_BREAKPOINT_TRIGGER_READ | PPC_BREAKPOINT_TRIGGER_WRITE) + +/* + * Address Mode + */ +#define PPC_BREAKPOINT_MODE_EXACT 0x00000000 +#define PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE 0x00000001 +#define PPC_BREAKPOINT_MODE_RANGE_EXCLUSIVE 0x00000002 +#define PPC_BREAKPOINT_MODE_MASK 0x00000003 + +/* + * Condition Mode + */ +#define PPC_BREAKPOINT_CONDITION_MODE 0x00000003 +#define PPC_BREAKPOINT_CONDITION_NONE 0x00000000 +#define PPC_BREAKPOINT_CONDITION_AND 0x00000001 +#define PPC_BREAKPOINT_CONDITION_EXACT PPC_BREAKPOINT_CONDITION_AND +#define PPC_BREAKPOINT_CONDITION_OR 0x00000002 +#define PPC_BREAKPOINT_CONDITION_AND_OR 0x00000003 +#define PPC_BREAKPOINT_CONDITION_BE_ALL 0x00ff0000 +#define PPC_BREAKPOINT_CONDITION_BE_SHIFT 16 +#define PPC_BREAKPOINT_CONDITION_BE(n) \ + (1<<((n)+PPC_BREAKPOINT_CONDITION_BE_SHIFT)) + #endif /* _ASM_POWERPC_PTRACE_H */ diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 3bf7835..8808d30 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -248,6 +248,8 @@ #define DBSR_RET 0x00008000 /* Return Debug Event */ #define DBSR_CIRPT 0x00000040 /* Critical Interrupt Taken Event */ #define DBSR_CRET 0x00000020 /* Critical Return Debug Event */ +#define DBSR_IAC12ATS 0x00000002 /* Instr Address Compare 1/2 Toggle */ +#define DBSR_IAC34ATS 0x00000001 /* Instr Address Compare 3/4 Toggle */ #endif #ifdef CONFIG_40x #define DBSR_IC 0x80000000 /* Instruction Completion */ @@ -313,6 +315,38 @@ #define DBCR0_IA12T 0x00008000 /* Instr Addr 1-2 range Toggle */ #define DBCR0_IA34T 0x00004000 /* Instr Addr 3-4 range Toggle */ #define DBCR0_FT 0x00000001 /* Freeze Timers on debug event */ + +#define dbcr_iac_range(task) ((task)->thread.dbcr0) +#define DBCR_IAC12I DBCR0_IA12 /* Range Inclusive */ +#define DBCR_IAC12X (DBCR0_IA12 | DBCR0_IA12X) /* Range Exclusive */ +#define DBCR_IAC12MODE (DBCR0_IA12 | DBCR0_IA12X) /* IAC 1-2 Mode Bits */ +#define DBCR_IAC34I DBCR0_IA34 /* Range Inclusive */ +#define DBCR_IAC34X (DBCR0_IA34 | DBCR0_IA34X) /* Range Exclusive */ +#define DBCR_IAC34MODE (DBCR0_IA34 | DBCR0_IA34X) /* IAC 3-4 Mode Bits */ + +/* Bit definitions related to the DBCR1. */ +#define DBCR1_DAC1R 0x80000000 /* DAC1 Read Debug Event */ +#define DBCR1_DAC2R 0x40000000 /* DAC2 Read Debug Event */ +#define DBCR1_DAC1W 0x20000000 /* DAC1 Write Debug Event */ +#define DBCR1_DAC2W 0x10000000 /* DAC2 Write Debug Event */ + +#define dbcr_dac(task) ((task)->thread.dbcr1) +#define DBCR_DAC1R DBCR1_DAC1R +#define DBCR_DAC1W DBCR1_DAC1W +#define DBCR_DAC2R DBCR1_DAC2R +#define DBCR_DAC2W DBCR1_DAC2W + +/* + * Are there any active Debug Events represented in the + * Debug Control Registers? + */ +#define DBCR0_ACTIVE_EVENTS (DBCR0_ICMP | DBCR0_IAC1 | DBCR0_IAC2 | \ + DBCR0_IAC3 | DBCR0_IAC4) +#define DBCR1_ACTIVE_EVENTS (DBCR1_DAC1R | DBCR1_DAC2R | \ + DBCR1_DAC1W | DBCR1_DAC2W) +#define DBCR_ACTIVE_EVENTS(dbcr0, dbcr1) (((dbcr0) & DBCR0_ACTIVE_EVENTS) || \ + ((dbcr1) & DBCR1_ACTIVE_EVENTS)) + #elif defined(CONFIG_BOOKE) #define DBCR0_EDM 0x80000000 /* External Debug Mode */ #define DBCR0_IDM 0x40000000 /* Internal Debug Mode */ @@ -342,19 +376,79 @@ #define DBCR0_CRET 0x00000020 /* Critical Return Debug Event */ #define DBCR0_FT 0x00000001 /* Freeze Timers on debug event */ +#define dbcr_dac(task) ((task)->thread.dbcr0) +#define DBCR_DAC1R DBCR0_DAC1R +#define DBCR_DAC1W DBCR0_DAC1W +#define DBCR_DAC2R DBCR0_DAC2R +#define DBCR_DAC2W DBCR0_DAC2W + /* Bit definitions related to the DBCR1. */ +#define DBCR1_IAC1US 0xC0000000 /* Instr Addr Cmp 1 Sup/User */ +#define DBCR1_IAC1ER 0x30000000 /* Instr Addr Cmp 1 Eff/Real */ +#define DBCR1_IAC1ER_01 0x10000000 /* reserved */ +#define DBCR1_IAC1ER_10 0x20000000 /* Instr Addr Cmp 1 Eff/Real MSR[IS]=0 */ +#define DBCR1_IAC1ER_11 0x30000000 /* Instr Addr Cmp 1 Eff/Real MSR[IS]=1 */ +#define DBCR1_IAC2US 0x0C000000 /* Instr Addr Cmp 2 Sup/User */ +#define DBCR1_IAC2ER 0x03000000 /* Instr Addr Cmp 2 Eff/Real */ +#define DBCR1_IAC2ER_01 0x01000000 /* reserved */ +#define DBCR1_IAC2ER_10 0x02000000 /* Instr Addr Cmp 2 Eff/Real MSR[IS]=0 */ +#define DBCR1_IAC2ER_11 0x03000000 /* Instr Addr Cmp 2 Eff/Real MSR[IS]=1 */ #define DBCR1_IAC12M 0x00800000 /* Instr Addr 1-2 range enable */ #define DBCR1_IAC12MX 0x00C00000 /* Instr Addr 1-2 range eXclusive */ #define DBCR1_IAC12AT 0x00010000 /* Instr Addr 1-2 range Toggle */ +#define DBCR1_IAC3US 0x0000C000 /* Instr Addr Cmp 3 Sup/User */ +#define DBCR1_IAC3ER 0x00003000 /* Instr Addr Cmp 3 Eff/Real */ +#define DBCR1_IAC3ER_01 0x00001000 /* reserved */ +#define DBCR1_IAC3ER_10 0x00002000 /* Instr Addr Cmp 3 Eff/Real MSR[IS]=0 */ +#define DBCR1_IAC3ER_11 0x00003000 /* Instr Addr Cmp 3 Eff/Real MSR[IS]=1 */ +#define DBCR1_IAC4US 0x00000C00 /* Instr Addr Cmp 4 Sup/User */ +#define DBCR1_IAC4ER 0x00000300 /* Instr Addr Cmp 4 Eff/Real */ +#define DBCR1_IAC4ER_01 0x00000100 /* Instr Addr Cmp 4 Eff/Real MSR[IS]=0 */ +#define DBCR1_IAC4ER_10 0x00000200 /* Instr Addr Cmp 4 Eff/Real MSR[IS]=0 */ +#define DBCR1_IAC4ER_11 0x00000300 /* Instr Addr Cmp 4 Eff/Real MSR[IS]=1 */ #define DBCR1_IAC34M 0x00000080 /* Instr Addr 3-4 range enable */ #define DBCR1_IAC34MX 0x000000C0 /* Instr Addr 3-4 range eXclusive */ #define DBCR1_IAC34AT 0x00000001 /* Instr Addr 3-4 range Toggle */ +#define dbcr_iac_range(task) ((task)->thread.dbcr1) +#define DBCR_IAC12I DBCR1_IAC12M /* Range Inclusive */ +#define DBCR_IAC12X DBCR1_IAC12MX /* Range Exclusive */ +#define DBCR_IAC12MODE DBCR1_IAC12MX /* IAC 1-2 Mode Bits */ +#define DBCR_IAC34I DBCR1_IAC34M /* Range Inclusive */ +#define DBCR_IAC34X DBCR1_IAC34MX /* Range Exclusive */ +#define DBCR_IAC34MODE DBCR1_IAC34MX /* IAC 3-4 Mode Bits */ + /* Bit definitions related to the DBCR2. */ +#define DBCR2_DAC1US 0xC0000000 /* Data Addr Cmp 1 Sup/User */ +#define DBCR2_DAC1ER 0x30000000 /* Data Addr Cmp 1 Eff/Real */ +#define DBCR2_DAC2US 0x00000000 /* Data Addr Cmp 2 Sup/User */ +#define DBCR2_DAC2ER 0x00000000 /* Data Addr Cmp 2 Eff/Real */ #define DBCR2_DAC12M 0x00800000 /* DAC 1-2 range enable */ +#define DBCR2_DAC12MM 0x00400000 /* DAC 1-2 Mask mode*/ #define DBCR2_DAC12MX 0x00C00000 /* DAC 1-2 range eXclusive */ +#define DBCR2_DAC12MODE 0x00C00000 /* DAC 1-2 Mode Bits */ #define DBCR2_DAC12A 0x00200000 /* DAC 1-2 Asynchronous */ -#endif +#define DBCR2_DVC1M 0x000C0000 /* Data Value Comp 1 Mode */ +#define DBCR2_DVC1M_SHIFT 18 /* # of bits to shift DBCR2_DVC1M */ +#define DBCR2_DVC2M 0x00030000 /* Data Value Comp 2 Mode */ +#define DBCR2_DVC2M_SHIFT 16 /* # of bits to shift DBCR2_DVC2M */ +#define DBCR2_DVC1BE 0x00000F00 /* Data Value Comp 1 Byte */ +#define DBCR2_DVC1BE_SHIFT 8 /* # of bits to shift DBCR2_DVC1BE */ +#define DBCR2_DVC2BE 0x0000000F /* Data Value Comp 2 Byte */ +#define DBCR2_DVC2BE_SHIFT 0 /* # of bits to shift DBCR2_DVC2BE */ + +/* + * Are there any active Debug Events represented in the + * Debug Control Registers? + */ +#define DBCR0_ACTIVE_EVENTS (DBCR0_ICMP | DBCR0_IAC1 | DBCR0_IAC2 | \ + DBCR0_IAC3 | DBCR0_IAC4 | DBCR0_DAC1R | \ + DBCR0_DAC1W | DBCR0_DAC2R | DBCR0_DAC2W) +#define DBCR1_ACTIVE_EVENTS 0 + +#define DBCR_ACTIVE_EVENTS(dbcr0, dbcr1) (((dbcr0) & DBCR0_ACTIVE_EVENTS) || \ + ((dbcr1) & DBCR1_ACTIVE_EVENTS)) +#endif /* #elif defined(CONFIG_BOOKE) */ /* Bit definitions related to the TCR. */ #define TCR_WP(x) (((x)&0x3)<<30) /* WDT Period */ diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h index 764094c..f9611bd 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -27,6 +27,7 @@ #endif #include <asm/asm-compat.h> #include <asm/synch.h> +#include <asm/ppc-opcode.h> #define arch_spin_is_locked(x) ((x)->slock != 0) @@ -60,13 +61,14 @@ static inline unsigned long __arch_spin_trylock(arch_spinlock_t *lock) token = LOCK_TOKEN; __asm__ __volatile__( -"1: lwarx %0,0,%2\n\ +"1: " PPC_LWARX(%0,0,%2,1) "\n\ cmpwi 0,%0,0\n\ bne- 2f\n\ stwcx. %1,0,%2\n\ - bne- 1b\n\ - isync\n\ -2:" : "=&r" (tmp) + bne- 1b\n" + PPC_ACQUIRE_BARRIER +"2:" + : "=&r" (tmp) : "r" (token), "r" (&lock->slock) : "cr0", "memory"); @@ -144,7 +146,7 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) { SYNC_IO; __asm__ __volatile__("# arch_spin_unlock\n\t" - LWSYNC_ON_SMP: : :"memory"); + PPC_RELEASE_BARRIER: : :"memory"); lock->slock = 0; } @@ -186,15 +188,15 @@ static inline long __arch_read_trylock(arch_rwlock_t *rw) long tmp; __asm__ __volatile__( -"1: lwarx %0,0,%1\n" +"1: " PPC_LWARX(%0,0,%1,1) "\n" __DO_SIGN_EXTEND " addic. %0,%0,1\n\ ble- 2f\n" PPC405_ERR77(0,%1) " stwcx. %0,0,%1\n\ - bne- 1b\n\ - isync\n\ -2:" : "=&r" (tmp) + bne- 1b\n" + PPC_ACQUIRE_BARRIER +"2:" : "=&r" (tmp) : "r" (&rw->lock) : "cr0", "xer", "memory"); @@ -211,14 +213,14 @@ static inline long __arch_write_trylock(arch_rwlock_t *rw) token = WRLOCK_TOKEN; __asm__ __volatile__( -"1: lwarx %0,0,%2\n\ +"1: " PPC_LWARX(%0,0,%2,1) "\n\ cmpwi 0,%0,0\n\ bne- 2f\n" PPC405_ERR77(0,%1) " stwcx. %1,0,%2\n\ - bne- 1b\n\ - isync\n\ -2:" : "=&r" (tmp) + bne- 1b\n" + PPC_ACQUIRE_BARRIER +"2:" : "=&r" (tmp) : "r" (token), "r" (&rw->lock) : "cr0", "memory"); @@ -269,7 +271,7 @@ static inline void arch_read_unlock(arch_rwlock_t *rw) __asm__ __volatile__( "# read_unlock\n\t" - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: lwarx %0,0,%1\n\ addic %0,%0,-1\n" PPC405_ERR77(0,%1) @@ -283,7 +285,7 @@ static inline void arch_read_unlock(arch_rwlock_t *rw) static inline void arch_write_unlock(arch_rwlock_t *rw) { __asm__ __volatile__("# write_unlock\n\t" - LWSYNC_ON_SMP: : :"memory"); + PPC_RELEASE_BARRIER: : :"memory"); rw->lock = 0; } diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h index 28f6ddb..d7cab44 100644 --- a/arch/powerpc/include/asm/synch.h +++ b/arch/powerpc/include/asm/synch.h @@ -37,11 +37,15 @@ static inline void isync(void) #endif #ifdef CONFIG_SMP -#define ISYNC_ON_SMP "\n\tisync\n" -#define LWSYNC_ON_SMP stringify_in_c(LWSYNC) "\n" +#define __PPC_ACQUIRE_BARRIER \ + START_LWSYNC_SECTION(97); \ + isync; \ + MAKE_LWSYNC_SECTION_ENTRY(97, __lwsync_fixup); +#define PPC_ACQUIRE_BARRIER "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER) +#define PPC_RELEASE_BARRIER stringify_in_c(LWSYNC) "\n" #else -#define ISYNC_ON_SMP -#define LWSYNC_ON_SMP +#define PPC_ACQUIRE_BARRIER +#define PPC_RELEASE_BARRIER #endif #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/system.h b/arch/powerpc/include/asm/system.h index bb8e006..a6297c6 100644 --- a/arch/powerpc/include/asm/system.h +++ b/arch/powerpc/include/asm/system.h @@ -112,8 +112,13 @@ static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; } #endif extern int set_dabr(unsigned long dabr); +#ifdef CONFIG_PPC_ADV_DEBUG_REGS +extern void do_send_trap(struct pt_regs *regs, unsigned long address, + unsigned long error_code, int signal_code, int brkpt); +#else extern void do_dabr(struct pt_regs *regs, unsigned long address, unsigned long error_code); +#endif extern void print_backtrace(unsigned long *); extern void show_regs(struct pt_regs * regs); extern void flush_instruction_cache(void); @@ -232,12 +237,12 @@ __xchg_u32(volatile void *p, unsigned long val) unsigned long prev; __asm__ __volatile__( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: lwarx %0,0,%2 \n" PPC405_ERR77(0,%2) " stwcx. %3,0,%2 \n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER : "=&r" (prev), "+m" (*(volatile unsigned int *)p) : "r" (p), "r" (val) : "cc", "memory"); @@ -275,12 +280,12 @@ __xchg_u64(volatile void *p, unsigned long val) unsigned long prev; __asm__ __volatile__( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: ldarx %0,0,%2 \n" PPC405_ERR77(0,%2) " stdcx. %3,0,%2 \n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER : "=&r" (prev), "+m" (*(volatile unsigned long *)p) : "r" (p), "r" (val) : "cc", "memory"); @@ -366,14 +371,14 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new) unsigned int prev; __asm__ __volatile__ ( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: lwarx %0,0,%2 # __cmpxchg_u32\n\ cmpw 0,%0,%3\n\ bne- 2f\n" PPC405_ERR77(0,%2) " stwcx. %4,0,%2\n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER "\n\ 2:" : "=&r" (prev), "+m" (*p) @@ -412,13 +417,13 @@ __cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new) unsigned long prev; __asm__ __volatile__ ( - LWSYNC_ON_SMP + PPC_RELEASE_BARRIER "1: ldarx %0,0,%2 # __cmpxchg_u64\n\ cmpd 0,%0,%3\n\ bne- 2f\n\ stdcx. %4,0,%2\n\ bne- 1b" - ISYNC_ON_SMP + PPC_ACQUIRE_BARRIER "\n\ 2:" : "=&r" (prev), "+m" (*p) diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h index bbf8970..8eaec31 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -38,27 +38,33 @@ static inline int pcibus_to_node(struct pci_bus *bus) cpumask_of_node(pcibus_to_node(bus))) /* sched_domains SD_NODE_INIT for PPC64 machines */ -#define SD_NODE_INIT (struct sched_domain) { \ - .parent = NULL, \ - .child = NULL, \ - .groups = NULL, \ - .min_interval = 8, \ - .max_interval = 32, \ - .busy_factor = 32, \ - .imbalance_pct = 125, \ - .cache_nice_tries = 1, \ - .busy_idx = 3, \ - .idle_idx = 1, \ - .newidle_idx = 0, \ - .wake_idx = 0, \ - .flags = SD_LOAD_BALANCE \ - | SD_BALANCE_EXEC \ - | SD_BALANCE_FORK \ - | SD_BALANCE_NEWIDLE \ - | SD_SERIALIZE, \ - .last_balance = jiffies, \ - .balance_interval = 1, \ - .nr_balance_failed = 0, \ +#define SD_NODE_INIT (struct sched_domain) { \ + .min_interval = 8, \ + .max_interval = 32, \ + .busy_factor = 32, \ + .imbalance_pct = 125, \ + .cache_nice_tries = 1, \ + .busy_idx = 3, \ + .idle_idx = 1, \ + .newidle_idx = 0, \ + .wake_idx = 0, \ + .forkexec_idx = 0, \ + \ + .flags = 1*SD_LOAD_BALANCE \ + | 1*SD_BALANCE_NEWIDLE \ + | 1*SD_BALANCE_EXEC \ + | 1*SD_BALANCE_FORK \ + | 0*SD_BALANCE_WAKE \ + | 0*SD_WAKE_AFFINE \ + | 0*SD_PREFER_LOCAL \ + | 0*SD_SHARE_CPUPOWER \ + | 0*SD_POWERSAVINGS_BALANCE \ + | 0*SD_SHARE_PKG_RESOURCES \ + | 1*SD_SERIALIZE \ + | 0*SD_PREFER_SIBLING \ + , \ + .last_balance = jiffies, \ + .balance_interval = 1, \ } extern void __init dump_numa_cpu_topology(void); diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index bdcb557..07109d8 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -791,9 +791,8 @@ _GLOBAL(enter_rtas) li r9,1 rldicr r9,r9,MSR_SF_LG,(63-MSR_SF_LG) - ori r9,r9,MSR_IR|MSR_DR|MSR_FE0|MSR_FE1|MSR_FP + ori r9,r9,MSR_IR|MSR_DR|MSR_FE0|MSR_FE1|MSR_FP|MSR_RI andc r6,r0,r9 - ori r6,r6,MSR_RI sync /* disable interrupts so SRR0/1 */ mtmsrd r0 /* don't get trashed */ diff --git a/arch/powerpc/kernel/firmware.c b/arch/powerpc/kernel/firmware.c index 1679a70..6b1f427 100644 --- a/arch/powerpc/kernel/firmware.c +++ b/arch/powerpc/kernel/firmware.c @@ -17,5 +17,5 @@ #include <asm/firmware.h> -unsigned long powerpc_firmware_features; +unsigned long powerpc_firmware_features __read_mostly; EXPORT_SYMBOL_GPL(powerpc_firmware_features); diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 7f4bd7f..25793bb 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -214,11 +214,11 @@ skpinv: addi r6,r6,1 /* Increment */ bl 1f /* Find our address */ 1: mflr r9 rlwimi r7,r9,0,20,31 - addi r7,r7,24 + addi r7,r7,(2f - 1b) mtspr SPRN_SRR0,r7 mtspr SPRN_SRR1,r6 rfi - +2: /* 4. Clear out PIDs & Search info */ li r6,0 mtspr SPRN_MAS6,r6 diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 9040330..9ae77e5 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -73,8 +73,10 @@ #define CREATE_TRACE_POINTS #include <asm/trace.h> +DEFINE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); +EXPORT_PER_CPU_SYMBOL(irq_stat); + int __irq_offset_value; -static int ppc_spurious_interrupts; #ifdef CONFIG_PPC32 EXPORT_SYMBOL(__irq_offset_value); @@ -180,30 +182,64 @@ notrace void raw_local_irq_restore(unsigned long en) EXPORT_SYMBOL(raw_local_irq_restore); #endif /* CONFIG_PPC64 */ +static int show_other_interrupts(struct seq_file *p, int prec) +{ + int j; + +#if defined(CONFIG_PPC32) && defined(CONFIG_TAU_INT) + if (tau_initialized) { + seq_printf(p, "%*s: ", prec, "TAU"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", tau_interrupts(j)); + seq_puts(p, " PowerPC Thermal Assist (cpu temp)\n"); + } +#endif /* CONFIG_PPC32 && CONFIG_TAU_INT */ + + seq_printf(p, "%*s: ", prec, "LOC"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", per_cpu(irq_stat, j).timer_irqs); + seq_printf(p, " Local timer interrupts\n"); + + seq_printf(p, "%*s: ", prec, "SPU"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", per_cpu(irq_stat, j).spurious_irqs); + seq_printf(p, " Spurious interrupts\n"); + + seq_printf(p, "%*s: ", prec, "CNT"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", per_cpu(irq_stat, j).pmu_irqs); + seq_printf(p, " Performance monitoring interrupts\n"); + + seq_printf(p, "%*s: ", prec, "MCE"); + for_each_online_cpu(j) + seq_printf(p, "%10u ", per_cpu(irq_stat, j).mce_exceptions); + seq_printf(p, " Machine check exceptions\n"); + + return 0; +} + int show_interrupts(struct seq_file *p, void *v) { - int i = *(loff_t *)v, j; + unsigned long flags, any_count = 0; + int i = *(loff_t *) v, j, prec; struct irqaction *action; struct irq_desc *desc; - unsigned long flags; + if (i > nr_irqs) + return 0; + + for (prec = 3, j = 1000; prec < 10 && j <= nr_irqs; ++prec) + j *= 10; + + if (i == nr_irqs) + return show_other_interrupts(p, prec); + + /* print header */ if (i == 0) { - seq_puts(p, " "); + seq_printf(p, "%*s", prec + 8, ""); for_each_online_cpu(j) - seq_printf(p, "CPU%d ", j); + seq_printf(p, "CPU%-8d", j); seq_putc(p, '\n'); - } else if (i == nr_irqs) { -#if defined(CONFIG_PPC32) && defined(CONFIG_TAU_INT) - if (tau_initialized){ - seq_puts(p, "TAU: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", tau_interrupts(j)); - seq_puts(p, " PowerPC Thermal Assist (cpu temp)\n"); - } -#endif /* CONFIG_PPC32 && CONFIG_TAU_INT*/ - seq_printf(p, "BAD: %10u\n", ppc_spurious_interrupts); - - return 0; } desc = irq_to_desc(i); @@ -211,37 +247,48 @@ int show_interrupts(struct seq_file *p, void *v) return 0; raw_spin_lock_irqsave(&desc->lock, flags); - + for_each_online_cpu(j) + any_count |= kstat_irqs_cpu(i, j); action = desc->action; - if (!action || !action->handler) - goto skip; + if (!action && !any_count) + goto out; - seq_printf(p, "%3d: ", i); -#ifdef CONFIG_SMP + seq_printf(p, "%*d: ", prec, i); for_each_online_cpu(j) seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); -#else - seq_printf(p, "%10u ", kstat_irqs(i)); -#endif /* CONFIG_SMP */ if (desc->chip) - seq_printf(p, " %s ", desc->chip->name); + seq_printf(p, " %-16s", desc->chip->name); else - seq_puts(p, " None "); + seq_printf(p, " %-16s", "None"); + seq_printf(p, " %-8s", (desc->status & IRQ_LEVEL) ? "Level" : "Edge"); - seq_printf(p, "%s", (desc->status & IRQ_LEVEL) ? "Level " : "Edge "); - seq_printf(p, " %s", action->name); + if (action) { + seq_printf(p, " %s", action->name); + while ((action = action->next) != NULL) + seq_printf(p, ", %s", action->name); + } - for (action = action->next; action; action = action->next) - seq_printf(p, ", %s", action->name); seq_putc(p, '\n'); - -skip: +out: raw_spin_unlock_irqrestore(&desc->lock, flags); - return 0; } +/* + * /proc/stat helpers + */ +u64 arch_irq_stat_cpu(unsigned int cpu) +{ + u64 sum = per_cpu(irq_stat, cpu).timer_irqs; + + sum += per_cpu(irq_stat, cpu).pmu_irqs; + sum += per_cpu(irq_stat, cpu).mce_exceptions; + sum += per_cpu(irq_stat, cpu).spurious_irqs; + + return sum; +} + #ifdef CONFIG_HOTPLUG_CPU void fixup_irqs(cpumask_t map) { @@ -353,8 +400,7 @@ void do_IRQ(struct pt_regs *regs) if (irq != NO_IRQ && irq != NO_IRQ_IGNORE) handle_one_irq(irq); else if (irq != NO_IRQ_IGNORE) - /* That's not SMP safe ... but who cares ? */ - ppc_spurious_interrupts++; + __get_cpu_var(irq_stat).spurious_irqs++; irq_exit(); set_irq_regs(old_regs); diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c index b6bd1ea..41bada0 100644 --- a/arch/powerpc/kernel/kgdb.c +++ b/arch/powerpc/kernel/kgdb.c @@ -333,7 +333,7 @@ int kgdb_arch_handle_exception(int vector, int signo, int err_code, atomic_set(&kgdb_cpu_doing_single_step, -1); /* set the trace bit if we're stepping */ if (remcom_in_buffer[0] == 's') { -#if defined(CONFIG_40x) || defined(CONFIG_BOOKE) +#ifdef CONFIG_PPC_ADV_DEBUG_REGS mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | DBCR0_IC | DBCR0_IDM); linux_regs->msr |= MSR_DE; diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index c932978..3fd1af9 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -36,7 +36,7 @@ #include <asm/uaccess.h> #include <asm/system.h> -#ifdef CONFIG_BOOKE +#ifdef CONFIG_PPC_ADV_DEBUG_REGS #define MSR_SINGLESTEP (MSR_DE) #else #define MSR_SINGLESTEP (MSR_SE) @@ -110,7 +110,7 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) * like Decrementer or External Interrupt */ regs->msr &= ~MSR_EE; regs->msr |= MSR_SINGLESTEP; -#ifdef CONFIG_BOOKE +#ifdef CONFIG_PPC_ADV_DEBUG_REGS regs->msr &= ~MSR_CE; mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) | DBCR0_IC | DBCR0_IDM); #endif diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index 79a00bb..d09d1c6 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -359,7 +359,7 @@ static void parse_system_parameter_string(struct seq_file *m) unsigned char *local_buffer = kmalloc(SPLPAR_MAXLENGTH, GFP_KERNEL); if (!local_buffer) { - printk(KERN_ERR "%s %s kmalloc failure at line %d \n", + printk(KERN_ERR "%s %s kmalloc failure at line %d\n", __FILE__, __func__, __LINE__); return; } @@ -383,13 +383,13 @@ static void parse_system_parameter_string(struct seq_file *m) int idx, w_idx; char *workbuffer = kzalloc(SPLPAR_MAXLENGTH, GFP_KERNEL); if (!workbuffer) { - printk(KERN_ERR "%s %s kmalloc failure at line %d \n", + printk(KERN_ERR "%s %s kmalloc failure at line %d\n", __FILE__, __func__, __LINE__); kfree(local_buffer); return; } #ifdef LPARCFG_DEBUG - printk(KERN_INFO "success calling get-system-parameter \n"); + printk(KERN_INFO "success calling get-system-parameter\n"); #endif splpar_strlen = local_buffer[0] * 256 + local_buffer[1]; local_buffer += 2; /* step over strlen value */ @@ -440,7 +440,7 @@ static int lparcfg_count_active_processors(void) while ((cpus_dn = of_find_node_by_type(cpus_dn, "cpu"))) { #ifdef LPARCFG_DEBUG - printk(KERN_ERR "cpus_dn %p \n", cpus_dn); + printk(KERN_ERR "cpus_dn %p\n", cpus_dn); #endif count++; } @@ -725,7 +725,7 @@ static int lparcfg_data(struct seq_file *m, void *v) const unsigned int *lp_index_ptr; unsigned int lp_index = 0; - seq_printf(m, "%s %s \n", MODULE_NAME, MODULE_VERS); + seq_printf(m, "%s %s\n", MODULE_NAME, MODULE_VERS); rootdn = of_find_node_by_path("/"); if (rootdn) { diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c index ad461e7..9cf197f 100644 --- a/arch/powerpc/kernel/nvram_64.c +++ b/arch/powerpc/kernel/nvram_64.c @@ -338,8 +338,8 @@ static int __init nvram_create_os_partition(void) rc = nvram_write_header(new_part); if (rc <= 0) { - printk(KERN_ERR "nvram_create_os_partition: nvram_write_header \ - failed (%d)\n", rc); + printk(KERN_ERR "nvram_create_os_partition: nvram_write_header " + "failed (%d)\n", rc); return rc; } @@ -349,7 +349,7 @@ static int __init nvram_create_os_partition(void) rc = ppc_md.nvram_write((char *)&seq_init, sizeof(seq_init), &tmp_index); if (rc <= 0) { printk(KERN_ERR "nvram_create_os_partition: nvram_write " - "failed (%d)\n", rc); + "failed (%d)\n", rc); return rc; } diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c index 4aa1740..cd11d5c 100644 --- a/arch/powerpc/kernel/pci_of_scan.c +++ b/arch/powerpc/kernel/pci_of_scan.c @@ -304,7 +304,7 @@ static void __devinit __of_scan_bus(struct device_node *node, int reglen, devfn; struct pci_dev *dev; - pr_debug("of_scan_bus(%s) bus no %d... \n", + pr_debug("of_scan_bus(%s) bus no %d...\n", node->full_name, bus->number); /* Scan direct children */ diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 7b816da..e4d71ce 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -245,6 +245,24 @@ void discard_lazy_cpu_state(void) } #endif /* CONFIG_SMP */ +#ifdef CONFIG_PPC_ADV_DEBUG_REGS +void do_send_trap(struct pt_regs *regs, unsigned long address, + unsigned long error_code, int signal_code, int breakpt) +{ + siginfo_t info; + + if (notify_die(DIE_DABR_MATCH, "dabr_match", regs, error_code, + 11, SIGSEGV) == NOTIFY_STOP) + return; + + /* Deliver the signal to userspace */ + info.si_signo = SIGTRAP; + info.si_errno = breakpt; /* breakpoint or watchpoint id */ + info.si_code = signal_code; + info.si_addr = (void __user *)address; + force_sig_info(SIGTRAP, &info, current); +} +#else /* !CONFIG_PPC_ADV_DEBUG_REGS */ void do_dabr(struct pt_regs *regs, unsigned long address, unsigned long error_code) { @@ -257,12 +275,6 @@ void do_dabr(struct pt_regs *regs, unsigned long address, if (debugger_dabr_match(regs)) return; - /* Clear the DAC and struct entries. One shot trigger */ -#if defined(CONFIG_BOOKE) - mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) & ~(DBSR_DAC1R | DBSR_DAC1W - | DBCR0_IDM)); -#endif - /* Clear the DABR */ set_dabr(0); @@ -273,9 +285,82 @@ void do_dabr(struct pt_regs *regs, unsigned long address, info.si_addr = (void __user *)address; force_sig_info(SIGTRAP, &info, current); } +#endif /* CONFIG_PPC_ADV_DEBUG_REGS */ static DEFINE_PER_CPU(unsigned long, current_dabr); +#ifdef CONFIG_PPC_ADV_DEBUG_REGS +/* + * Set the debug registers back to their default "safe" values. + */ +static void set_debug_reg_defaults(struct thread_struct *thread) +{ + thread->iac1 = thread->iac2 = 0; +#if CONFIG_PPC_ADV_DEBUG_IACS > 2 + thread->iac3 = thread->iac4 = 0; +#endif + thread->dac1 = thread->dac2 = 0; +#if CONFIG_PPC_ADV_DEBUG_DVCS > 0 + thread->dvc1 = thread->dvc2 = 0; +#endif + thread->dbcr0 = 0; +#ifdef CONFIG_BOOKE + /* + * Force User/Supervisor bits to b11 (user-only MSR[PR]=1) + */ + thread->dbcr1 = DBCR1_IAC1US | DBCR1_IAC2US | \ + DBCR1_IAC3US | DBCR1_IAC4US; + /* + * Force Data Address Compare User/Supervisor bits to be User-only + * (0b11 MSR[PR]=1) and set all other bits in DBCR2 register to be 0. + */ + thread->dbcr2 = DBCR2_DAC1US | DBCR2_DAC2US; +#else + thread->dbcr1 = 0; +#endif +} + +static void prime_debug_regs(struct thread_struct *thread) +{ + mtspr(SPRN_IAC1, thread->iac1); + mtspr(SPRN_IAC2, thread->iac2); +#if CONFIG_PPC_ADV_DEBUG_IACS > 2 + mtspr(SPRN_IAC3, thread->iac3); + mtspr(SPRN_IAC4, thread->iac4); +#endif + mtspr(SPRN_DAC1, thread->dac1); + mtspr(SPRN_DAC2, thread->dac2); +#if CONFIG_PPC_ADV_DEBUG_DVCS > 0 + mtspr(SPRN_DVC1, thread->dvc1); + mtspr(SPRN_DVC2, thread->dvc2); +#endif + mtspr(SPRN_DBCR0, thread->dbcr0); + mtspr(SPRN_DBCR1, thread->dbcr1); +#ifdef CONFIG_BOOKE + mtspr(SPRN_DBCR2, thread->dbcr2); +#endif +} +/* + * Unless neither the old or new thread are making use of the + * debug registers, set the debug registers from the values + * stored in the new thread. + */ +static void switch_booke_debug_regs(struct thread_struct *new_thread) +{ + if ((current->thread.dbcr0 & DBCR0_IDM) + || (new_thread->dbcr0 & DBCR0_IDM)) + prime_debug_regs(new_thread); +} +#else /* !CONFIG_PPC_ADV_DEBUG_REGS */ +static void set_debug_reg_defaults(struct thread_struct *thread) +{ + if (thread->dabr) { + thread->dabr = 0; + set_dabr(0); + } +} +#endif /* CONFIG_PPC_ADV_DEBUG_REGS */ + int set_dabr(unsigned long dabr) { __get_cpu_var(current_dabr) = dabr; @@ -284,7 +369,7 @@ int set_dabr(unsigned long dabr) return ppc_md.set_dabr(dabr); /* XXX should we have a CPU_FTR_HAS_DABR ? */ -#if defined(CONFIG_BOOKE) +#ifdef CONFIG_PPC_ADV_DEBUG_REGS mtspr(SPRN_DAC1, dabr); #elif defined(CONFIG_PPC_BOOK3S) mtspr(SPRN_DABR, dabr); @@ -371,10 +456,8 @@ struct task_struct *__switch_to(struct task_struct *prev, #endif /* CONFIG_SMP */ -#if defined(CONFIG_BOOKE) - /* If new thread DAC (HW breakpoint) is the same then leave it */ - if (new->thread.dabr) - set_dabr(new->thread.dabr); +#ifdef CONFIG_PPC_ADV_DEBUG_REGS + switch_booke_debug_regs(&new->thread); #else if (unlikely(__get_cpu_var(current_dabr) != new->thread.dabr)) set_dabr(new->thread.dabr); @@ -514,7 +597,7 @@ void show_regs(struct pt_regs * regs) printk(" CR: %08lx XER: %08lx\n", regs->ccr, regs->xer); trap = TRAP(regs); if (trap == 0x300 || trap == 0x600) -#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) +#ifdef CONFIG_PPC_ADV_DEBUG_REGS printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr); #else printk("DAR: "REG", DSISR: "REG"\n", regs->dar, regs->dsisr); @@ -556,14 +639,7 @@ void flush_thread(void) { discard_lazy_cpu_state(); - if (current->thread.dabr) { - current->thread.dabr = 0; - set_dabr(0); - -#if defined(CONFIG_BOOKE) - current->thread.dbcr0 &= ~(DBSR_DAC1R | DBSR_DAC1W); -#endif - } + set_debug_reg_defaults(¤t->thread); } void diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index bafac2e..5f306c4 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -654,6 +654,9 @@ static void __init early_cmdline_parse(void) #define OV5_CMO 0x00 #endif +/* Option Vector 6: IBM PAPR hints */ +#define OV6_LINUX 0x02 /* Linux is our OS */ + /* * The architecture vector has an array of PVR mask/value pairs, * followed by # option vectors - 1, followed by the option vectors. @@ -665,7 +668,7 @@ static unsigned char ibm_architecture_vec[] = { W(0xffffffff), W(0x0f000003), /* all 2.06-compliant */ W(0xffffffff), W(0x0f000002), /* all 2.05-compliant */ W(0xfffffffe), W(0x0f000001), /* all 2.04-compliant and earlier */ - 5 - 1, /* 5 option vectors */ + 6 - 1, /* 6 option vectors */ /* option vector 1: processor architectures supported */ 3 - 2, /* length */ @@ -697,12 +700,29 @@ static unsigned char ibm_architecture_vec[] = { 0, /* don't halt */ /* option vector 5: PAPR/OF options */ - 5 - 2, /* length */ + 13 - 2, /* length */ 0, /* don't ignore, don't halt */ OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY | OV5_DONATE_DEDICATE_CPU | OV5_MSI, 0, OV5_CMO, + 0, + 0, + 0, + 0, + /* WARNING: The offset of the "number of cores" field below + * must match by the macro below. Update the definition if + * the structure layout changes. + */ +#define IBM_ARCH_VEC_NRCORES_OFFSET 100 + W(NR_CPUS), /* number of cores supported */ + + /* option vector 6: IBM PAPR hints */ + 4 - 2, /* length */ + 0, + 0, + OV6_LINUX, + }; /* Old method - ELF header with PT_NOTE sections */ @@ -792,13 +812,70 @@ static struct fake_elf { } }; +static int __init prom_count_smt_threads(void) +{ + phandle node; + char type[64]; + unsigned int plen; + + /* Pick up th first CPU node we can find */ + for (node = 0; prom_next_node(&node); ) { + type[0] = 0; + prom_getprop(node, "device_type", type, sizeof(type)); + + if (strcmp(type, RELOC("cpu"))) + continue; + /* + * There is an entry for each smt thread, each entry being + * 4 bytes long. All cpus should have the same number of + * smt threads, so return after finding the first. + */ + plen = prom_getproplen(node, "ibm,ppc-interrupt-server#s"); + if (plen == PROM_ERROR) + break; + plen >>= 2; + prom_debug("Found 0x%x smt threads per core\n", (unsigned long)plen); + + /* Sanity check */ + if (plen < 1 || plen > 64) { + prom_printf("Threads per core 0x%x out of bounds, assuming 1\n", + (unsigned long)plen); + return 1; + } + return plen; + } + prom_debug("No threads found, assuming 1 per core\n"); + + return 1; + +} + + static void __init prom_send_capabilities(void) { ihandle elfloader, root; prom_arg_t ret; + u32 *cores; root = call_prom("open", 1, 1, ADDR("/")); if (root != 0) { + /* We need to tell the FW about the number of cores we support. + * + * To do that, we count the number of threads on the first core + * (we assume this is the same for all cores) and use it to + * divide NR_CPUS. + */ + cores = (u32 *)PTRRELOC(&ibm_architecture_vec[IBM_ARCH_VEC_NRCORES_OFFSET]); + if (*cores != NR_CPUS) { + prom_printf("WARNING ! " + "ibm_architecture_vec structure inconsistent: 0x%x !\n", + *cores); + } else { + *cores = NR_CPUS / prom_count_smt_threads(); + prom_printf("Max number of cores passed to firmware: 0x%x\n", + (unsigned long)*cores); + } + /* try calling the ibm,client-architecture-support method */ prom_printf("Calling ibm,client-architecture-support..."); if (call_prom_ret("call-method", 3, 2, &ret, diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index ef14988..d9b0586 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -46,7 +46,7 @@ /* * Set of msr bits that gdb can change on behalf of a process. */ -#if defined(CONFIG_40x) || defined(CONFIG_BOOKE) +#ifdef CONFIG_PPC_ADV_DEBUG_REGS #define MSR_DEBUGCHANGE 0 #else #define MSR_DEBUGCHANGE (MSR_SE | MSR_BE) @@ -703,7 +703,7 @@ void user_enable_single_step(struct task_struct *task) struct pt_regs *regs = task->thread.regs; if (regs != NULL) { -#if defined(CONFIG_40x) || defined(CONFIG_BOOKE) +#ifdef CONFIG_PPC_ADV_DEBUG_REGS task->thread.dbcr0 &= ~DBCR0_BT; task->thread.dbcr0 |= DBCR0_IDM | DBCR0_IC; regs->msr |= MSR_DE; @@ -720,7 +720,7 @@ void user_enable_block_step(struct task_struct *task) struct pt_regs *regs = task->thread.regs; if (regs != NULL) { -#if defined(CONFIG_40x) || defined(CONFIG_BOOKE) +#ifdef CONFIG_PPC_ADV_DEBUG_REGS task->thread.dbcr0 &= ~DBCR0_IC; task->thread.dbcr0 = DBCR0_IDM | DBCR0_BT; regs->msr |= MSR_DE; @@ -737,17 +737,25 @@ void user_disable_single_step(struct task_struct *task) struct pt_regs *regs = task->thread.regs; if (regs != NULL) { -#if defined(CONFIG_BOOKE) - /* If DAC don't clear DBCRO_IDM or MSR_DE */ - if (task->thread.dabr) - task->thread.dbcr0 &= ~(DBCR0_IC | DBCR0_BT); - else { - task->thread.dbcr0 &= ~(DBCR0_IC | DBCR0_BT | DBCR0_IDM); +#ifdef CONFIG_PPC_ADV_DEBUG_REGS + /* + * The logic to disable single stepping should be as + * simple as turning off the Instruction Complete flag. + * And, after doing so, if all debug flags are off, turn + * off DBCR0(IDM) and MSR(DE) .... Torez + */ + task->thread.dbcr0 &= ~DBCR0_IC; + /* + * Test to see if any of the DBCR_ACTIVE_EVENTS bits are set. + */ + if (!DBCR_ACTIVE_EVENTS(task->thread.dbcr0, + task->thread.dbcr1)) { + /* + * All debug events were off..... + */ + task->thread.dbcr0 &= ~DBCR0_IDM; regs->msr &= ~MSR_DE; } -#elif defined(CONFIG_40x) - task->thread.dbcr0 &= ~(DBCR0_IC | DBCR0_BT | DBCR0_IDM); - regs->msr &= ~MSR_DE; #else regs->msr &= ~(MSR_SE | MSR_BE); #endif @@ -769,8 +777,7 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, if ((data & ~0x7UL) >= TASK_SIZE) return -EIO; -#ifndef CONFIG_BOOKE - +#ifndef CONFIG_PPC_ADV_DEBUG_REGS /* For processors using DABR (i.e. 970), the bottom 3 bits are flags. * It was assumed, on previous implementations, that 3 bits were * passed together with the data address, fitting the design of the @@ -789,21 +796,22 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, /* Move contents to the DABR register */ task->thread.dabr = data; - -#endif -#if defined(CONFIG_BOOKE) - +#else /* CONFIG_PPC_ADV_DEBUG_REGS */ /* As described above, it was assumed 3 bits were passed with the data * address, but we will assume only the mode bits will be passed * as to not cause alignment restrictions for DAC-based processors. */ /* DAC's hold the whole address without any mode flags */ - task->thread.dabr = data & ~0x3UL; - - if (task->thread.dabr == 0) { - task->thread.dbcr0 &= ~(DBSR_DAC1R | DBSR_DAC1W | DBCR0_IDM); - task->thread.regs->msr &= ~MSR_DE; + task->thread.dac1 = data & ~0x3UL; + + if (task->thread.dac1 == 0) { + dbcr_dac(task) &= ~(DBCR_DAC1R | DBCR_DAC1W); + if (!DBCR_ACTIVE_EVENTS(task->thread.dbcr0, + task->thread.dbcr1)) { + task->thread.regs->msr &= ~MSR_DE; + task->thread.dbcr0 &= ~DBCR0_IDM; + } return 0; } @@ -814,17 +822,17 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, /* Set the Internal Debugging flag (IDM bit 1) for the DBCR0 register */ - task->thread.dbcr0 = DBCR0_IDM; + task->thread.dbcr0 |= DBCR0_IDM; /* Check for write and read flags and set DBCR0 accordingly */ + dbcr_dac(task) &= ~(DBCR_DAC1R|DBCR_DAC1W); if (data & 0x1UL) - task->thread.dbcr0 |= DBSR_DAC1R; + dbcr_dac(task) |= DBCR_DAC1R; if (data & 0x2UL) - task->thread.dbcr0 |= DBSR_DAC1W; - + dbcr_dac(task) |= DBCR_DAC1W; task->thread.regs->msr |= MSR_DE; -#endif +#endif /* CONFIG_PPC_ADV_DEBUG_REGS */ return 0; } @@ -839,6 +847,394 @@ void ptrace_disable(struct task_struct *child) user_disable_single_step(child); } +#ifdef CONFIG_PPC_ADV_DEBUG_REGS +static long set_intruction_bp(struct task_struct *child, + struct ppc_hw_breakpoint *bp_info) +{ + int slot; + int slot1_in_use = ((child->thread.dbcr0 & DBCR0_IAC1) != 0); + int slot2_in_use = ((child->thread.dbcr0 & DBCR0_IAC2) != 0); + int slot3_in_use = ((child->thread.dbcr0 & DBCR0_IAC3) != 0); + int slot4_in_use = ((child->thread.dbcr0 & DBCR0_IAC4) != 0); + + if (dbcr_iac_range(child) & DBCR_IAC12MODE) + slot2_in_use = 1; + if (dbcr_iac_range(child) & DBCR_IAC34MODE) + slot4_in_use = 1; + + if (bp_info->addr >= TASK_SIZE) + return -EIO; + + if (bp_info->addr_mode != PPC_BREAKPOINT_MODE_EXACT) { + + /* Make sure range is valid. */ + if (bp_info->addr2 >= TASK_SIZE) + return -EIO; + + /* We need a pair of IAC regsisters */ + if ((!slot1_in_use) && (!slot2_in_use)) { + slot = 1; + child->thread.iac1 = bp_info->addr; + child->thread.iac2 = bp_info->addr2; + child->thread.dbcr0 |= DBCR0_IAC1; + if (bp_info->addr_mode == + PPC_BREAKPOINT_MODE_RANGE_EXCLUSIVE) + dbcr_iac_range(child) |= DBCR_IAC12X; + else + dbcr_iac_range(child) |= DBCR_IAC12I; +#if CONFIG_PPC_ADV_DEBUG_IACS > 2 + } else if ((!slot3_in_use) && (!slot4_in_use)) { + slot = 3; + child->thread.iac3 = bp_info->addr; + child->thread.iac4 = bp_info->addr2; + child->thread.dbcr0 |= DBCR0_IAC3; + if (bp_info->addr_mode == + PPC_BREAKPOINT_MODE_RANGE_EXCLUSIVE) + dbcr_iac_range(child) |= DBCR_IAC34X; + else + dbcr_iac_range(child) |= DBCR_IAC34I; +#endif + } else + return -ENOSPC; + } else { + /* We only need one. If possible leave a pair free in + * case a range is needed later + */ + if (!slot1_in_use) { + /* + * Don't use iac1 if iac1-iac2 are free and either + * iac3 or iac4 (but not both) are free + */ + if (slot2_in_use || (slot3_in_use == slot4_in_use)) { + slot = 1; + child->thread.iac1 = bp_info->addr; + child->thread.dbcr0 |= DBCR0_IAC1; + goto out; + } + } + if (!slot2_in_use) { + slot = 2; + child->thread.iac2 = bp_info->addr; + child->thread.dbcr0 |= DBCR0_IAC2; +#if CONFIG_PPC_ADV_DEBUG_IACS > 2 + } else if (!slot3_in_use) { + slot = 3; + child->thread.iac3 = bp_info->addr; + child->thread.dbcr0 |= DBCR0_IAC3; + } else if (!slot4_in_use) { + slot = 4; + child->thread.iac4 = bp_info->addr; + child->thread.dbcr0 |= DBCR0_IAC4; +#endif + } else + return -ENOSPC; + } +out: + child->thread.dbcr0 |= DBCR0_IDM; + child->thread.regs->msr |= MSR_DE; + + return slot; +} + +static int del_instruction_bp(struct task_struct *child, int slot) +{ + switch (slot) { + case 1: + if (child->thread.iac1 == 0) + return -ENOENT; + + if (dbcr_iac_range(child) & DBCR_IAC12MODE) { + /* address range - clear slots 1 & 2 */ + child->thread.iac2 = 0; + dbcr_iac_range(child) &= ~DBCR_IAC12MODE; + } + child->thread.iac1 = 0; + child->thread.dbcr0 &= ~DBCR0_IAC1; + break; + case 2: + if (child->thread.iac2 == 0) + return -ENOENT; + + if (dbcr_iac_range(child) & DBCR_IAC12MODE) + /* used in a range */ + return -EINVAL; + child->thread.iac2 = 0; + child->thread.dbcr0 &= ~DBCR0_IAC2; + break; +#if CONFIG_PPC_ADV_DEBUG_IACS > 2 + case 3: + if (child->thread.iac3 == 0) + return -ENOENT; + + if (dbcr_iac_range(child) & DBCR_IAC34MODE) { + /* address range - clear slots 3 & 4 */ + child->thread.iac4 = 0; + dbcr_iac_range(child) &= ~DBCR_IAC34MODE; + } + child->thread.iac3 = 0; + child->thread.dbcr0 &= ~DBCR0_IAC3; + break; + case 4: + if (child->thread.iac4 == 0) + return -ENOENT; + + if (dbcr_iac_range(child) & DBCR_IAC34MODE) + /* Used in a range */ + return -EINVAL; + child->thread.iac4 = 0; + child->thread.dbcr0 &= ~DBCR0_IAC4; + break; +#endif + default: + return -EINVAL; + } + return 0; +} + +static int set_dac(struct task_struct *child, struct ppc_hw_breakpoint *bp_info) +{ + int byte_enable = + (bp_info->condition_mode >> PPC_BREAKPOINT_CONDITION_BE_SHIFT) + & 0xf; + int condition_mode = + bp_info->condition_mode & PPC_BREAKPOINT_CONDITION_MODE; + int slot; + + if (byte_enable && (condition_mode == 0)) + return -EINVAL; + + if (bp_info->addr >= TASK_SIZE) + return -EIO; + + if ((dbcr_dac(child) & (DBCR_DAC1R | DBCR_DAC1W)) == 0) { + slot = 1; + if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_READ) + dbcr_dac(child) |= DBCR_DAC1R; + if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_WRITE) + dbcr_dac(child) |= DBCR_DAC1W; + child->thread.dac1 = (unsigned long)bp_info->addr; +#if CONFIG_PPC_ADV_DEBUG_DVCS > 0 + if (byte_enable) { + child->thread.dvc1 = + (unsigned long)bp_info->condition_value; + child->thread.dbcr2 |= + ((byte_enable << DBCR2_DVC1BE_SHIFT) | + (condition_mode << DBCR2_DVC1M_SHIFT)); + } +#endif +#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE + } else if (child->thread.dbcr2 & DBCR2_DAC12MODE) { + /* Both dac1 and dac2 are part of a range */ + return -ENOSPC; +#endif + } else if ((dbcr_dac(child) & (DBCR_DAC2R | DBCR_DAC2W)) == 0) { + slot = 2; + if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_READ) + dbcr_dac(child) |= DBCR_DAC2R; + if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_WRITE) + dbcr_dac(child) |= DBCR_DAC2W; + child->thread.dac2 = (unsigned long)bp_info->addr; +#if CONFIG_PPC_ADV_DEBUG_DVCS > 0 + if (byte_enable) { + child->thread.dvc2 = + (unsigned long)bp_info->condition_value; + child->thread.dbcr2 |= + ((byte_enable << DBCR2_DVC2BE_SHIFT) | + (condition_mode << DBCR2_DVC2M_SHIFT)); + } +#endif + } else + return -ENOSPC; + child->thread.dbcr0 |= DBCR0_IDM; + child->thread.regs->msr |= MSR_DE; + + return slot + 4; +} + +static int del_dac(struct task_struct *child, int slot) +{ + if (slot == 1) { + if (child->thread.dac1 == 0) + return -ENOENT; + + child->thread.dac1 = 0; + dbcr_dac(child) &= ~(DBCR_DAC1R | DBCR_DAC1W); +#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE + if (child->thread.dbcr2 & DBCR2_DAC12MODE) { + child->thread.dac2 = 0; + child->thread.dbcr2 &= ~DBCR2_DAC12MODE; + } + child->thread.dbcr2 &= ~(DBCR2_DVC1M | DBCR2_DVC1BE); +#endif +#if CONFIG_PPC_ADV_DEBUG_DVCS > 0 + child->thread.dvc1 = 0; +#endif + } else if (slot == 2) { + if (child->thread.dac1 == 0) + return -ENOENT; + +#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE + if (child->thread.dbcr2 & DBCR2_DAC12MODE) + /* Part of a range */ + return -EINVAL; + child->thread.dbcr2 &= ~(DBCR2_DVC2M | DBCR2_DVC2BE); +#endif +#if CONFIG_PPC_ADV_DEBUG_DVCS > 0 + child->thread.dvc2 = 0; +#endif + child->thread.dac2 = 0; + dbcr_dac(child) &= ~(DBCR_DAC2R | DBCR_DAC2W); + } else + return -EINVAL; + + return 0; +} +#endif /* CONFIG_PPC_ADV_DEBUG_REGS */ + +#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE +static int set_dac_range(struct task_struct *child, + struct ppc_hw_breakpoint *bp_info) +{ + int mode = bp_info->addr_mode & PPC_BREAKPOINT_MODE_MASK; + + /* We don't allow range watchpoints to be used with DVC */ + if (bp_info->condition_mode) + return -EINVAL; + + /* + * Best effort to verify the address range. The user/supervisor bits + * prevent trapping in kernel space, but let's fail on an obvious bad + * range. The simple test on the mask is not fool-proof, and any + * exclusive range will spill over into kernel space. + */ + if (bp_info->addr >= TASK_SIZE) + return -EIO; + if (mode == PPC_BREAKPOINT_MODE_MASK) { + /* + * dac2 is a bitmask. Don't allow a mask that makes a + * kernel space address from a valid dac1 value + */ + if (~((unsigned long)bp_info->addr2) >= TASK_SIZE) + return -EIO; + } else { + /* + * For range breakpoints, addr2 must also be a valid address + */ + if (bp_info->addr2 >= TASK_SIZE) + return -EIO; + } + + if (child->thread.dbcr0 & + (DBCR0_DAC1R | DBCR0_DAC1W | DBCR0_DAC2R | DBCR0_DAC2W)) + return -ENOSPC; + + if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_READ) + child->thread.dbcr0 |= (DBCR0_DAC1R | DBCR0_IDM); + if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_WRITE) + child->thread.dbcr0 |= (DBCR0_DAC1W | DBCR0_IDM); + child->thread.dac1 = bp_info->addr; + child->thread.dac2 = bp_info->addr2; + if (mode == PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE) + child->thread.dbcr2 |= DBCR2_DAC12M; + else if (mode == PPC_BREAKPOINT_MODE_RANGE_EXCLUSIVE) + child->thread.dbcr2 |= DBCR2_DAC12MX; + else /* PPC_BREAKPOINT_MODE_MASK */ + child->thread.dbcr2 |= DBCR2_DAC12MM; + child->thread.regs->msr |= MSR_DE; + + return 5; +} +#endif /* CONFIG_PPC_ADV_DEBUG_DAC_RANGE */ + +static long ppc_set_hwdebug(struct task_struct *child, + struct ppc_hw_breakpoint *bp_info) +{ + if (bp_info->version != 1) + return -ENOTSUPP; +#ifdef CONFIG_PPC_ADV_DEBUG_REGS + /* + * Check for invalid flags and combinations + */ + if ((bp_info->trigger_type == 0) || + (bp_info->trigger_type & ~(PPC_BREAKPOINT_TRIGGER_EXECUTE | + PPC_BREAKPOINT_TRIGGER_RW)) || + (bp_info->addr_mode & ~PPC_BREAKPOINT_MODE_MASK) || + (bp_info->condition_mode & + ~(PPC_BREAKPOINT_CONDITION_MODE | + PPC_BREAKPOINT_CONDITION_BE_ALL))) + return -EINVAL; +#if CONFIG_PPC_ADV_DEBUG_DVCS == 0 + if (bp_info->condition_mode != PPC_BREAKPOINT_CONDITION_NONE) + return -EINVAL; +#endif + + if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_EXECUTE) { + if ((bp_info->trigger_type != PPC_BREAKPOINT_TRIGGER_EXECUTE) || + (bp_info->condition_mode != PPC_BREAKPOINT_CONDITION_NONE)) + return -EINVAL; + return set_intruction_bp(child, bp_info); + } + if (bp_info->addr_mode == PPC_BREAKPOINT_MODE_EXACT) + return set_dac(child, bp_info); + +#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE + return set_dac_range(child, bp_info); +#else + return -EINVAL; +#endif +#else /* !CONFIG_PPC_ADV_DEBUG_DVCS */ + /* + * We only support one data breakpoint + */ + if (((bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_RW) == 0) || + ((bp_info->trigger_type & ~PPC_BREAKPOINT_TRIGGER_RW) != 0) || + (bp_info->trigger_type != PPC_BREAKPOINT_TRIGGER_WRITE) || + (bp_info->addr_mode != PPC_BREAKPOINT_MODE_EXACT) || + (bp_info->condition_mode != PPC_BREAKPOINT_CONDITION_NONE)) + return -EINVAL; + + if (child->thread.dabr) + return -ENOSPC; + + if ((unsigned long)bp_info->addr >= TASK_SIZE) + return -EIO; + + child->thread.dabr = (unsigned long)bp_info->addr; + + return 1; +#endif /* !CONFIG_PPC_ADV_DEBUG_DVCS */ +} + +static long ppc_del_hwdebug(struct task_struct *child, long addr, long data) +{ +#ifdef CONFIG_PPC_ADV_DEBUG_REGS + int rc; + + if (data <= 4) + rc = del_instruction_bp(child, (int)data); + else + rc = del_dac(child, (int)data - 4); + + if (!rc) { + if (!DBCR_ACTIVE_EVENTS(child->thread.dbcr0, + child->thread.dbcr1)) { + child->thread.dbcr0 &= ~DBCR0_IDM; + child->thread.regs->msr &= ~MSR_DE; + } + } + return rc; +#else + if (data != 1) + return -EINVAL; + if (child->thread.dabr == 0) + return -ENOENT; + + child->thread.dabr = 0; + + return 0; +#endif +} + /* * Here are the old "legacy" powerpc specific getregs/setregs ptrace calls, * we mark them as obsolete now, they will be removed in a future version @@ -932,13 +1328,77 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } + case PPC_PTRACE_GETHWDBGINFO: { + struct ppc_debug_info dbginfo; + + dbginfo.version = 1; +#ifdef CONFIG_PPC_ADV_DEBUG_REGS + dbginfo.num_instruction_bps = CONFIG_PPC_ADV_DEBUG_IACS; + dbginfo.num_data_bps = CONFIG_PPC_ADV_DEBUG_DACS; + dbginfo.num_condition_regs = CONFIG_PPC_ADV_DEBUG_DVCS; + dbginfo.data_bp_alignment = 4; + dbginfo.sizeof_condition = 4; + dbginfo.features = PPC_DEBUG_FEATURE_INSN_BP_RANGE | + PPC_DEBUG_FEATURE_INSN_BP_MASK; +#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE + dbginfo.features |= + PPC_DEBUG_FEATURE_DATA_BP_RANGE | + PPC_DEBUG_FEATURE_DATA_BP_MASK; +#endif +#else /* !CONFIG_PPC_ADV_DEBUG_REGS */ + dbginfo.num_instruction_bps = 0; + dbginfo.num_data_bps = 1; + dbginfo.num_condition_regs = 0; +#ifdef CONFIG_PPC64 + dbginfo.data_bp_alignment = 8; +#else + dbginfo.data_bp_alignment = 4; +#endif + dbginfo.sizeof_condition = 0; + dbginfo.features = 0; +#endif /* CONFIG_PPC_ADV_DEBUG_REGS */ + + if (!access_ok(VERIFY_WRITE, data, + sizeof(struct ppc_debug_info))) + return -EFAULT; + ret = __copy_to_user((struct ppc_debug_info __user *)data, + &dbginfo, sizeof(struct ppc_debug_info)) ? + -EFAULT : 0; + break; + } + + case PPC_PTRACE_SETHWDEBUG: { + struct ppc_hw_breakpoint bp_info; + + if (!access_ok(VERIFY_READ, data, + sizeof(struct ppc_hw_breakpoint))) + return -EFAULT; + ret = __copy_from_user(&bp_info, + (struct ppc_hw_breakpoint __user *)data, + sizeof(struct ppc_hw_breakpoint)) ? + -EFAULT : 0; + if (!ret) + ret = ppc_set_hwdebug(child, &bp_info); + break; + } + + case PPC_PTRACE_DELHWDEBUG: { + ret = ppc_del_hwdebug(child, addr, data); + break; + } + case PTRACE_GET_DEBUGREG: { ret = -EINVAL; /* We only support one DABR and no IABRS at the moment */ if (addr > 0) break; +#ifdef CONFIG_PPC_ADV_DEBUG_REGS + ret = put_user(child->thread.dac1, + (unsigned long __user *)data); +#else ret = put_user(child->thread.dabr, (unsigned long __user *)data); +#endif break; } diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c index 00b5078..a0afb55 100644 --- a/arch/powerpc/kernel/signal.c +++ b/arch/powerpc/kernel/signal.c @@ -140,17 +140,15 @@ static int do_signal_pending(sigset_t *oldset, struct pt_regs *regs) return 0; /* no signals delivered */ } +#ifndef CONFIG_PPC_ADV_DEBUG_REGS /* * Reenable the DABR before delivering the signal to * user space. The DABR will have been cleared if it * triggered inside the kernel. */ - if (current->thread.dabr) { + if (current->thread.dabr) set_dabr(current->thread.dabr); -#if defined(CONFIG_BOOKE) - mtspr(SPRN_DBCR0, current->thread.dbcr0); #endif - } if (is32) { if (ka.sa.sa_flags & SA_SIGINFO) diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index d670429..2666101 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -1078,7 +1078,7 @@ int sys_debug_setcontext(struct ucontext __user *ctx, int i; unsigned char tmp; unsigned long new_msr = regs->msr; -#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) +#ifdef CONFIG_PPC_ADV_DEBUG_REGS unsigned long new_dbcr0 = current->thread.dbcr0; #endif @@ -1087,13 +1087,17 @@ int sys_debug_setcontext(struct ucontext __user *ctx, return -EFAULT; switch (op.dbg_type) { case SIG_DBG_SINGLE_STEPPING: -#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) +#ifdef CONFIG_PPC_ADV_DEBUG_REGS if (op.dbg_value) { new_msr |= MSR_DE; new_dbcr0 |= (DBCR0_IDM | DBCR0_IC); } else { - new_msr &= ~MSR_DE; - new_dbcr0 &= ~(DBCR0_IDM | DBCR0_IC); + new_dbcr0 &= ~DBCR0_IC; + if (!DBCR_ACTIVE_EVENTS(new_dbcr0, + current->thread.dbcr1)) { + new_msr &= ~MSR_DE; + new_dbcr0 &= ~DBCR0_IDM; + } } #else if (op.dbg_value) @@ -1103,7 +1107,7 @@ int sys_debug_setcontext(struct ucontext __user *ctx, #endif break; case SIG_DBG_BRANCH_TRACING: -#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) +#ifdef CONFIG_PPC_ADV_DEBUG_REGS return -EINVAL; #else if (op.dbg_value) @@ -1124,7 +1128,7 @@ int sys_debug_setcontext(struct ucontext __user *ctx, failure is a problem, anyway, and it's very unlikely unless the user is really doing something wrong. */ regs->msr = new_msr; -#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) +#ifdef CONFIG_PPC_ADV_DEBUG_REGS current->thread.dbcr0 = new_dbcr0; #endif diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 6c6093d..1b16b9a 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -265,8 +265,8 @@ void account_system_vtime(struct task_struct *tsk) account_system_time(tsk, 0, delta, deltascaled); else account_idle_time(delta); - per_cpu(cputime_last_delta, smp_processor_id()) = delta; - per_cpu(cputime_scaled_last_delta, smp_processor_id()) = deltascaled; + __get_cpu_var(cputime_last_delta) = delta; + __get_cpu_var(cputime_scaled_last_delta) = deltascaled; local_irq_restore(flags); } EXPORT_SYMBOL_GPL(account_system_vtime); @@ -575,6 +575,8 @@ void timer_interrupt(struct pt_regs * regs) trace_timer_interrupt_entry(regs); + __get_cpu_var(irq_stat).timer_irqs++; + /* Ensure a positive value is written to the decrementer, or else * some CPUs will continuue to take decrementer exceptions */ set_dec(DECREMENTER_MAX); @@ -935,8 +937,8 @@ static void register_decrementer_clockevent(int cpu) *dec = decrementer_clockevent; dec->cpumask = cpumask_of(cpu); - printk(KERN_DEBUG "clockevent: %s mult[%x] shift[%d] cpu[%d]\n", - dec->name, dec->mult, dec->shift, cpu); + printk_once(KERN_DEBUG "clockevent: %s mult[%x] shift[%d] cpu[%d]\n", + dec->name, dec->mult, dec->shift, cpu); clockevents_register_device(dec); } diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index d069ff8..987437e 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -60,13 +60,13 @@ #endif #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) -int (*__debugger)(struct pt_regs *regs); -int (*__debugger_ipi)(struct pt_regs *regs); -int (*__debugger_bpt)(struct pt_regs *regs); -int (*__debugger_sstep)(struct pt_regs *regs); -int (*__debugger_iabr_match)(struct pt_regs *regs); -int (*__debugger_dabr_match)(struct pt_regs *regs); -int (*__debugger_fault_handler)(struct pt_regs *regs); +int (*__debugger)(struct pt_regs *regs) __read_mostly; +int (*__debugger_ipi)(struct pt_regs *regs) __read_mostly; +int (*__debugger_bpt)(struct pt_regs *regs) __read_mostly; +int (*__debugger_sstep)(struct pt_regs *regs) __read_mostly; +int (*__debugger_iabr_match)(struct pt_regs *regs) __read_mostly; +int (*__debugger_dabr_match)(struct pt_regs *regs) __read_mostly; +int (*__debugger_fault_handler)(struct pt_regs *regs) __read_mostly; EXPORT_SYMBOL(__debugger); EXPORT_SYMBOL(__debugger_ipi); @@ -146,6 +146,11 @@ int die(const char *str, struct pt_regs *regs, long err) #endif printk("%s\n", ppc_md.name ? ppc_md.name : ""); + sysfs_printk_last_file(); + if (notify_die(DIE_OOPS, str, regs, err, 255, + SIGSEGV) == NOTIFY_STOP) + return 1; + print_modules(); show_regs(regs); } else { @@ -294,7 +299,7 @@ static inline int check_io_access(struct pt_regs *regs) return 0; } -#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) +#ifdef CONFIG_PPC_ADV_DEBUG_REGS /* On 4xx, the reason for the machine check or program exception is in the ESR. */ #define get_reason(regs) ((regs)->dsisr) @@ -478,6 +483,8 @@ void machine_check_exception(struct pt_regs *regs) { int recover = 0; + __get_cpu_var(irq_stat).mce_exceptions++; + /* See if any machine dependent calls. In theory, we would want * to call the CPU first, and call the ppc_md. one if the CPU * one returns a positive number. However there is existing code @@ -960,6 +967,8 @@ void vsx_unavailable_exception(struct pt_regs *regs) void performance_monitor_exception(struct pt_regs *regs) { + __get_cpu_var(irq_stat).pmu_irqs++; + perf_irq(regs); } @@ -1024,10 +1033,69 @@ void SoftwareEmulation(struct pt_regs *regs) } #endif /* CONFIG_8xx */ -#if defined(CONFIG_40x) || defined(CONFIG_BOOKE) +#ifdef CONFIG_PPC_ADV_DEBUG_REGS +static void handle_debug(struct pt_regs *regs, unsigned long debug_status) +{ + int changed = 0; + /* + * Determine the cause of the debug event, clear the + * event flags and send a trap to the handler. Torez + */ + if (debug_status & (DBSR_DAC1R | DBSR_DAC1W)) { + dbcr_dac(current) &= ~(DBCR_DAC1R | DBCR_DAC1W); +#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE + current->thread.dbcr2 &= ~DBCR2_DAC12MODE; +#endif + do_send_trap(regs, mfspr(SPRN_DAC1), debug_status, TRAP_HWBKPT, + 5); + changed |= 0x01; + } else if (debug_status & (DBSR_DAC2R | DBSR_DAC2W)) { + dbcr_dac(current) &= ~(DBCR_DAC2R | DBCR_DAC2W); + do_send_trap(regs, mfspr(SPRN_DAC2), debug_status, TRAP_HWBKPT, + 6); + changed |= 0x01; + } else if (debug_status & DBSR_IAC1) { + current->thread.dbcr0 &= ~DBCR0_IAC1; + dbcr_iac_range(current) &= ~DBCR_IAC12MODE; + do_send_trap(regs, mfspr(SPRN_IAC1), debug_status, TRAP_HWBKPT, + 1); + changed |= 0x01; + } else if (debug_status & DBSR_IAC2) { + current->thread.dbcr0 &= ~DBCR0_IAC2; + do_send_trap(regs, mfspr(SPRN_IAC2), debug_status, TRAP_HWBKPT, + 2); + changed |= 0x01; + } else if (debug_status & DBSR_IAC3) { + current->thread.dbcr0 &= ~DBCR0_IAC3; + dbcr_iac_range(current) &= ~DBCR_IAC34MODE; + do_send_trap(regs, mfspr(SPRN_IAC3), debug_status, TRAP_HWBKPT, + 3); + changed |= 0x01; + } else if (debug_status & DBSR_IAC4) { + current->thread.dbcr0 &= ~DBCR0_IAC4; + do_send_trap(regs, mfspr(SPRN_IAC4), debug_status, TRAP_HWBKPT, + 4); + changed |= 0x01; + } + /* + * At the point this routine was called, the MSR(DE) was turned off. + * Check all other debug flags and see if that bit needs to be turned + * back on or not. + */ + if (DBCR_ACTIVE_EVENTS(current->thread.dbcr0, current->thread.dbcr1)) + regs->msr |= MSR_DE; + else + /* Make sure the IDM flag is off */ + current->thread.dbcr0 &= ~DBCR0_IDM; + + if (changed & 0x01) + mtspr(SPRN_DBCR0, current->thread.dbcr0); +} void __kprobes DebugException(struct pt_regs *regs, unsigned long debug_status) { + current->thread.dbsr = debug_status; + /* Hack alert: On BookE, Branch Taken stops on the branch itself, while * on server, it stops on the target of the branch. In order to simulate * the server behaviour, we thus restart right away with a single step @@ -1071,29 +1139,23 @@ void __kprobes DebugException(struct pt_regs *regs, unsigned long debug_status) if (debugger_sstep(regs)) return; - if (user_mode(regs)) - current->thread.dbcr0 &= ~(DBCR0_IC); - - _exception(SIGTRAP, regs, TRAP_TRACE, regs->nip); - } else if (debug_status & (DBSR_DAC1R | DBSR_DAC1W)) { - regs->msr &= ~MSR_DE; - if (user_mode(regs)) { - current->thread.dbcr0 &= ~(DBSR_DAC1R | DBSR_DAC1W | - DBCR0_IDM); - } else { - /* Disable DAC interupts */ - mtspr(SPRN_DBCR0, mfspr(SPRN_DBCR0) & ~(DBSR_DAC1R | - DBSR_DAC1W | DBCR0_IDM)); - - /* Clear the DAC event */ - mtspr(SPRN_DBSR, (DBSR_DAC1R | DBSR_DAC1W)); + current->thread.dbcr0 &= ~DBCR0_IC; +#ifdef CONFIG_PPC_ADV_DEBUG_REGS + if (DBCR_ACTIVE_EVENTS(current->thread.dbcr0, + current->thread.dbcr1)) + regs->msr |= MSR_DE; + else + /* Make sure the IDM bit is off */ + current->thread.dbcr0 &= ~DBCR0_IDM; +#endif } - /* Setup and send the trap to the handler */ - do_dabr(regs, mfspr(SPRN_DAC1), debug_status); - } + + _exception(SIGTRAP, regs, TRAP_TRACE, regs->nip); + } else + handle_debug(regs, debug_status); } -#endif /* CONFIG_4xx || CONFIG_BOOKE */ +#endif /* CONFIG_PPC_ADV_DEBUG_REGS */ #if !defined(CONFIG_TAU_INT) void TAUException(struct pt_regs *regs) diff --git a/arch/powerpc/lib/copypage_64.S b/arch/powerpc/lib/copypage_64.S index e68beac..4d4eeb9 100644 --- a/arch/powerpc/lib/copypage_64.S +++ b/arch/powerpc/lib/copypage_64.S @@ -43,62 +43,62 @@ END_FTR_SECTION_IFSET(CPU_FTR_CP_USE_DCBTZ) ld r7,16(r4) ldu r8,24(r4) 1: std r5,8(r3) - ld r9,8(r4) std r6,16(r3) + ld r9,8(r4) ld r10,16(r4) std r7,24(r3) - ld r11,24(r4) std r8,32(r3) + ld r11,24(r4) ld r12,32(r4) std r9,40(r3) - ld r5,40(r4) std r10,48(r3) + ld r5,40(r4) ld r6,48(r4) std r11,56(r3) - ld r7,56(r4) std r12,64(r3) + ld r7,56(r4) ld r8,64(r4) std r5,72(r3) - ld r9,72(r4) std r6,80(r3) + ld r9,72(r4) ld r10,80(r4) std r7,88(r3) - ld r11,88(r4) std r8,96(r3) + ld r11,88(r4) ld r12,96(r4) std r9,104(r3) - ld r5,104(r4) std r10,112(r3) + ld r5,104(r4) ld r6,112(r4) std r11,120(r3) - ld r7,120(r4) stdu r12,128(r3) + ld r7,120(r4) ldu r8,128(r4) bdnz 1b std r5,8(r3) - ld r9,8(r4) std r6,16(r3) + ld r9,8(r4) ld r10,16(r4) std r7,24(r3) - ld r11,24(r4) std r8,32(r3) + ld r11,24(r4) ld r12,32(r4) std r9,40(r3) - ld r5,40(r4) std r10,48(r3) + ld r5,40(r4) ld r6,48(r4) std r11,56(r3) - ld r7,56(r4) std r12,64(r3) + ld r7,56(r4) ld r8,64(r4) std r5,72(r3) - ld r9,72(r4) std r6,80(r3) + ld r9,72(r4) ld r10,80(r4) std r7,88(r3) - ld r11,88(r4) std r8,96(r3) + ld r11,88(r4) ld r12,96(r4) std r9,104(r3) std r10,112(r3) diff --git a/arch/powerpc/lib/copyuser_64.S b/arch/powerpc/lib/copyuser_64.S index 693b14a..578b625 100644 --- a/arch/powerpc/lib/copyuser_64.S +++ b/arch/powerpc/lib/copyuser_64.S @@ -44,37 +44,55 @@ BEGIN_FTR_SECTION andi. r0,r4,7 bne .Lsrc_unaligned END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) - srdi r7,r5,4 -20: ld r9,0(r4) - addi r4,r4,-8 - mtctr r7 - andi. r5,r5,7 - bf cr7*4+0,22f - addi r3,r3,8 - addi r4,r4,8 - mr r8,r9 - blt cr1,72f -21: ld r9,8(r4) -70: std r8,8(r3) -22: ldu r8,16(r4) -71: stdu r9,16(r3) + blt cr1,.Ldo_tail /* if < 16 bytes to copy */ + srdi r0,r5,5 + cmpdi cr1,r0,0 +20: ld r7,0(r4) +220: ld r6,8(r4) + addi r4,r4,16 + mtctr r0 + andi. r0,r5,0x10 + beq 22f + addi r3,r3,16 + addi r4,r4,-16 + mr r9,r7 + mr r8,r6 + beq cr1,72f +21: ld r7,16(r4) +221: ld r6,24(r4) + addi r4,r4,32 +70: std r9,0(r3) +270: std r8,8(r3) +22: ld r9,0(r4) +222: ld r8,8(r4) +71: std r7,16(r3) +271: std r6,24(r3) + addi r3,r3,32 bdnz 21b -72: std r8,8(r3) +72: std r9,0(r3) +272: std r8,8(r3) + andi. r5,r5,0xf beq+ 3f - addi r3,r3,16 + addi r4,r4,16 .Ldo_tail: - bf cr7*4+1,1f -23: lwz r9,8(r4) + addi r3,r3,16 + bf cr7*4+0,246f +244: ld r9,0(r4) + addi r4,r4,8 +245: std r9,0(r3) + addi r3,r3,8 +246: bf cr7*4+1,1f +23: lwz r9,0(r4) addi r4,r4,4 73: stw r9,0(r3) addi r3,r3,4 1: bf cr7*4+2,2f -44: lhz r9,8(r4) +44: lhz r9,0(r4) addi r4,r4,2 74: sth r9,0(r3) addi r3,r3,2 2: bf cr7*4+3,3f -45: lbz r9,8(r4) +45: lbz r9,0(r4) 75: stb r9,0(r3) 3: li r3,0 blr @@ -220,7 +238,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) 131: addi r3,r3,8 120: +320: 122: +322: 124: 125: 126: @@ -229,9 +249,11 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) 129: 133: addi r3,r3,8 -121: 132: addi r3,r3,8 +121: +321: +344: 134: 135: 138: @@ -303,18 +325,22 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) 183: add r3,r3,r7 b 1f +371: 180: addi r3,r3,8 171: 177: addi r3,r3,8 -170: -172: +370: +372: 176: 178: addi r3,r3,4 185: addi r3,r3,4 +170: +172: +345: 173: 174: 175: @@ -341,11 +367,19 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD) .section __ex_table,"a" .align 3 .llong 20b,120b + .llong 220b,320b .llong 21b,121b + .llong 221b,321b .llong 70b,170b + .llong 270b,370b .llong 22b,122b + .llong 222b,322b .llong 71b,171b + .llong 271b,371b .llong 72b,172b + .llong 272b,372b + .llong 244b,344b + .llong 245b,345b .llong 23b,123b .llong 73b,173b .llong 44b,144b diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c index 7e8865b..4dee652 100644 --- a/arch/powerpc/lib/feature-fixups.c +++ b/arch/powerpc/lib/feature-fixups.c @@ -112,7 +112,7 @@ void do_feature_fixups(unsigned long value, void *fixup_start, void *fixup_end) void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end) { - unsigned int *start, *end, *dest; + int *start, *end, *dest; if (!(value & CPU_FTR_LWSYNC)) return ; diff --git a/arch/powerpc/mm/40x_mmu.c b/arch/powerpc/mm/40x_mmu.c index 08dfa8e..65abfcf 100644 --- a/arch/powerpc/mm/40x_mmu.c +++ b/arch/powerpc/mm/40x_mmu.c @@ -84,8 +84,8 @@ void __init MMU_init_hw(void) * vectors and the kernel live in real-mode. */ - mtspr(SPRN_DCCR, 0xF0000000); /* 512 MB of data space at 0x0. */ - mtspr(SPRN_ICCR, 0xF0000000); /* 512 MB of instr. space at 0x0. */ + mtspr(SPRN_DCCR, 0xFFFF0000); /* 2GByte of data space at 0x0. */ + mtspr(SPRN_ICCR, 0xFFFF0000); /* 2GByte of instr. space at 0x0. */ } #define LARGE_PAGE_SIZE_16M (1<<24) diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c index 056d23a..9e1aa4f 100644 --- a/arch/powerpc/mm/hash_native_64.c +++ b/arch/powerpc/mm/hash_native_64.c @@ -122,7 +122,7 @@ static inline void native_lock_hpte(struct hash_pte *hptep) unsigned long *word = &hptep->v; while (1) { - if (!test_and_set_bit(HPTE_LOCK_BIT, word)) + if (!test_and_set_bit_lock(HPTE_LOCK_BIT, word)) break; while(test_bit(HPTE_LOCK_BIT, word)) cpu_relax(); @@ -133,8 +133,7 @@ static inline void native_unlock_hpte(struct hash_pte *hptep) { unsigned long *word = &hptep->v; - asm volatile("lwsync":::"memory"); - clear_bit(HPTE_LOCK_BIT, word); + clear_bit_unlock(HPTE_LOCK_BIT, word); } static long native_hpte_insert(unsigned long hpte_group, unsigned long va, diff --git a/arch/powerpc/mm/mmu_context_hash64.c b/arch/powerpc/mm/mmu_context_hash64.c index b910d37..51622da 100644 --- a/arch/powerpc/mm/mmu_context_hash64.c +++ b/arch/powerpc/mm/mmu_context_hash64.c @@ -23,7 +23,7 @@ #include <asm/mmu_context.h> static DEFINE_SPINLOCK(mmu_context_lock); -static DEFINE_IDR(mmu_context_idr); +static DEFINE_IDA(mmu_context_ida); /* * The proto-VSID space has 2^35 - 1 segments available for user mappings. @@ -39,11 +39,11 @@ int __init_new_context(void) int err; again: - if (!idr_pre_get(&mmu_context_idr, GFP_KERNEL)) + if (!ida_pre_get(&mmu_context_ida, GFP_KERNEL)) return -ENOMEM; spin_lock(&mmu_context_lock); - err = idr_get_new_above(&mmu_context_idr, NULL, 1, &index); + err = ida_get_new_above(&mmu_context_ida, 1, &index); spin_unlock(&mmu_context_lock); if (err == -EAGAIN) @@ -53,7 +53,7 @@ again: if (index > MAX_CONTEXT) { spin_lock(&mmu_context_lock); - idr_remove(&mmu_context_idr, index); + ida_remove(&mmu_context_ida, index); spin_unlock(&mmu_context_lock); return -ENOMEM; } @@ -85,7 +85,7 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) void __destroy_context(int context_id) { spin_lock(&mmu_context_lock); - idr_remove(&mmu_context_idr, context_id); + ida_remove(&mmu_context_ida, context_id); spin_unlock(&mmu_context_lock); } EXPORT_SYMBOL_GPL(__destroy_context); diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S index f288279..8b04c54 100644 --- a/arch/powerpc/mm/tlb_low_64e.S +++ b/arch/powerpc/mm/tlb_low_64e.S @@ -1,5 +1,5 @@ /* - * Low leve TLB miss handlers for Book3E + * Low level TLB miss handlers for Book3E * * Copyright (C) 2008-2009 * Ben. Herrenschmidt (benh@kernel.crashing.org), IBM Corp. diff --git a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c index da9b20a..4ecf4cf 100644 --- a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c +++ b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c @@ -79,7 +79,7 @@ cpld_unmask_irq(unsigned int irq) } static struct irq_chip cpld_pic = { - .name = " CPLD PIC ", + .name = "CPLD PIC", .mask = cpld_mask_irq, .ack = cpld_mask_irq, .unmask = cpld_unmask_irq, diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 21f61b8..04af81e 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -302,11 +302,14 @@ static struct of_device_id mpc85xx_ids[] = { { .compatible = "gianfar", }, { .compatible = "fsl,rapidio-delta", }, { .compatible = "fsl,mpc8548-guts", }, + { .compatible = "gpio-leds", }, {}, }; static int __init mpc85xx_publish_devices(void) { + if (machine_is(mpc8568_mds)) + simple_gpiochip_init("fsl,mpc8568mds-bcsr-gpio"); if (machine_is(mpc8569_mds)) simple_gpiochip_init("fsl,mpc8569mds-bcsr-gpio"); diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c index 04160a4..a15f582 100644 --- a/arch/powerpc/platforms/85xx/smp.c +++ b/arch/powerpc/platforms/85xx/smp.c @@ -46,6 +46,7 @@ smp_85xx_kick_cpu(int nr) __iomem u32 *bptr_vaddr; struct device_node *np; int n = 0; + int ioremappable; WARN_ON (nr < 0 || nr >= NR_CPUS); @@ -59,21 +60,37 @@ smp_85xx_kick_cpu(int nr) return; } + /* + * A secondary core could be in a spinloop in the bootpage + * (0xfffff000), somewhere in highmem, or somewhere in lowmem. + * The bootpage and highmem can be accessed via ioremap(), but + * we need to directly access the spinloop if its in lowmem. + */ + ioremappable = *cpu_rel_addr > virt_to_phys(high_memory); + /* Map the spin table */ - bptr_vaddr = ioremap(*cpu_rel_addr, SIZE_BOOT_ENTRY); + if (ioremappable) + bptr_vaddr = ioremap(*cpu_rel_addr, SIZE_BOOT_ENTRY); + else + bptr_vaddr = phys_to_virt(*cpu_rel_addr); local_irq_save(flags); out_be32(bptr_vaddr + BOOT_ENTRY_PIR, nr); out_be32(bptr_vaddr + BOOT_ENTRY_ADDR_LOWER, __pa(__early_start)); + if (!ioremappable) + flush_dcache_range((ulong)bptr_vaddr, + (ulong)(bptr_vaddr + SIZE_BOOT_ENTRY)); + /* Wait a bit for the CPU to ack. */ while ((__secondary_hold_acknowledge != nr) && (++n < 1000)) mdelay(1); local_irq_restore(flags); - iounmap(bptr_vaddr); + if (ioremappable) + iounmap(bptr_vaddr); pr_debug("waited %d msecs for CPU #%d.\n", n, nr); } diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c index e5da5f6..42e87f0 100644 --- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c +++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c @@ -232,7 +232,7 @@ static int socrates_fpga_pic_set_type(unsigned int virq, } static struct irq_chip socrates_fpga_pic_chip = { - .name = " FPGA-PIC ", + .name = "FPGA-PIC", .ack = socrates_fpga_pic_ack, .mask = socrates_fpga_pic_mask, .mask_ack = socrates_fpga_pic_mask_ack, diff --git a/arch/powerpc/platforms/85xx/stx_gp3.c b/arch/powerpc/platforms/85xx/stx_gp3.c index f559918..bc33d18 100644 --- a/arch/powerpc/platforms/85xx/stx_gp3.c +++ b/arch/powerpc/platforms/85xx/stx_gp3.c @@ -134,7 +134,7 @@ static void stx_gp3_show_cpuinfo(struct seq_file *m) pvid = mfspr(SPRN_PVR); svid = mfspr(SPRN_SVR); - seq_printf(m, "Vendor\t\t: RPC Electronics STx \n"); + seq_printf(m, "Vendor\t\t: RPC Electronics STx\n"); seq_printf(m, "PVR\t\t: 0x%x\n", pvid); seq_printf(m, "SVR\t\t: 0x%x\n", svid); diff --git a/arch/powerpc/platforms/cell/beat_interrupt.c b/arch/powerpc/platforms/cell/beat_interrupt.c index 36052a9..8d29290 100644 --- a/arch/powerpc/platforms/cell/beat_interrupt.c +++ b/arch/powerpc/platforms/cell/beat_interrupt.c @@ -110,7 +110,7 @@ static void beatic_end_irq(unsigned int irq_plug) } static struct irq_chip beatic_pic = { - .name = " CELL-BEAT ", + .name = "CELL-BEAT", .unmask = beatic_unmask_irq, .mask = beatic_mask_irq, .eoi = beatic_end_irq, diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index 6829cf7..10eb1a4 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -88,7 +88,7 @@ static void iic_eoi(unsigned int irq) } static struct irq_chip iic_chip = { - .name = " CELL-IIC ", + .name = "CELL-IIC", .mask = iic_mask, .unmask = iic_unmask, .eoi = iic_eoi, @@ -133,7 +133,7 @@ static void iic_ioexc_cascade(unsigned int irq, struct irq_desc *desc) static struct irq_chip iic_ioexc_chip = { - .name = " CELL-IOEX", + .name = "CELL-IOEX", .mask = iic_mask, .unmask = iic_unmask, .eoi = iic_ioexc_eoi, diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c index 01244f2..5876e88 100644 --- a/arch/powerpc/platforms/cell/spider-pic.c +++ b/arch/powerpc/platforms/cell/spider-pic.c @@ -168,7 +168,7 @@ static int spider_set_irq_type(unsigned int virq, unsigned int type) } static struct irq_chip spider_pic = { - .name = " SPIDER ", + .name = "SPIDER", .unmask = spider_unmask_irq, .mask = spider_mask_irq, .ack = spider_ack_irq, diff --git a/arch/powerpc/platforms/iseries/irq.c b/arch/powerpc/platforms/iseries/irq.c index 86c4b29..ba446bf 100644 --- a/arch/powerpc/platforms/iseries/irq.c +++ b/arch/powerpc/platforms/iseries/irq.c @@ -273,7 +273,7 @@ static void iseries_end_IRQ(unsigned int irq) } static struct irq_chip iseries_pic = { - .name = "iSeries irq controller", + .name = "iSeries", .startup = iseries_startup_IRQ, .shutdown = iseries_shutdown_IRQ, .unmask = iseries_enable_IRQ, diff --git a/arch/powerpc/platforms/iseries/proc.c b/arch/powerpc/platforms/iseries/proc.c index 91f4c6c..0676368 100644 --- a/arch/powerpc/platforms/iseries/proc.c +++ b/arch/powerpc/platforms/iseries/proc.c @@ -85,7 +85,7 @@ static int proc_titantod_show(struct seq_file *m, void *v) seq_printf(m, " titan elapsed = %lu uSec\n", titan_usec); seq_printf(m, " tb elapsed = %lu ticks\n", tb_ticks); - seq_printf(m, " titan jiffies = %lu.%04lu \n", titan_jiffies, + seq_printf(m, " titan jiffies = %lu.%04lu\n", titan_jiffies, titan_jiff_rem_usec); seq_printf(m, " tb jiffies = %lu.%04lu\n", tb_jiffies, tb_jiff_rem_usec); diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index a6cd339..b086341 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -256,7 +256,7 @@ static unsigned long iSeries_process_mainstore_vpd(struct MemoryBlock *mb_array, mem_blocks = iSeries_process_Condor_mainstore_vpd(mb_array, max_entries); - printk("Mainstore_VPD: numMemoryBlocks = %ld \n", mem_blocks); + printk("Mainstore_VPD: numMemoryBlocks = %ld\n", mem_blocks); for (i = 0; i < mem_blocks; ++i) { printk("Mainstore_VPD: block %3ld logical chunks %016lx - %016lx\n" " abs chunks %016lx - %016lx\n", diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c index 9dd789a..84d7fd9 100644 --- a/arch/powerpc/platforms/powermac/bootx_init.c +++ b/arch/powerpc/platforms/powermac/bootx_init.c @@ -539,7 +539,7 @@ void __init bootx_init(unsigned long r3, unsigned long r4) if (model && (strcmp(model, "iMac,1") == 0 || strcmp(model, "PowerMac1,1") == 0)) { - bootx_printf("iMac,1 detected, shutting down USB \n"); + bootx_printf("iMac,1 detected, shutting down USB\n"); out_le32((unsigned __iomem *)0x80880008, 1); /* XXX */ } } @@ -554,7 +554,7 @@ void __init bootx_init(unsigned long r3, unsigned long r4) } else space = bi->totalParamsSize; - bootx_printf("Total space used by parameters & ramdisk: 0x%x \n", space); + bootx_printf("Total space used by parameters & ramdisk: 0x%x\n", space); /* New BootX will have flushed all TLBs and enters kernel with * MMU switched OFF, so this should not be useful anymore. diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index 09e8272..3b62896 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -195,7 +195,7 @@ static int pmac_retrigger(unsigned int virq) } static struct irq_chip pmac_pic = { - .name = " PMAC-PIC ", + .name = "PMAC-PIC", .startup = pmac_startup_irq, .mask = pmac_mask_irq, .ack = pmac_ack_irq, diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index ccd8dd0..3304f32 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -491,7 +491,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) pdn->eeh_mode & EEH_MODE_NOCHECK) { ignored_check++; pr_debug("EEH: Ignored check (%x) for %s %s\n", - pdn->eeh_mode, pci_name (dev), dn->full_name); + pdn->eeh_mode, eeh_pci_name(dev), dn->full_name); return 0; } @@ -515,7 +515,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) printk (KERN_ERR "EEH: %d reads ignored for recovering device at " "location=%s driver=%s pci addr=%s\n", pdn->eeh_check_count, location, - dev->driver->name, pci_name(dev)); + dev->driver->name, eeh_pci_name(dev)); printk (KERN_ERR "EEH: Might be infinite loop in %s driver\n", dev->driver->name); dump_stack(); diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c index ef8e454..b8d70f5 100644 --- a/arch/powerpc/platforms/pseries/eeh_driver.c +++ b/arch/powerpc/platforms/pseries/eeh_driver.c @@ -337,7 +337,7 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event) location = location ? location : "unknown"; printk(KERN_ERR "EEH: Error: Cannot find partition endpoint " "for location=%s pci addr=%s\n", - location, pci_name(event->dev)); + location, eeh_pci_name(event->dev)); return NULL; } @@ -368,7 +368,7 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event) pci_str = pci_name (frozen_pdn->pcidev); drv_str = pcid_name (frozen_pdn->pcidev); } else { - pci_str = pci_name (event->dev); + pci_str = eeh_pci_name(event->dev); drv_str = pcid_name (event->dev); } @@ -478,9 +478,9 @@ excess_failures: * due to actual, failed cards. */ printk(KERN_ERR - "EEH: PCI device at location=%s driver=%s pci addr=%s \n" + "EEH: PCI device at location=%s driver=%s pci addr=%s\n" "has failed %d times in the last hour " - "and has been permanently disabled. \n" + "and has been permanently disabled.\n" "Please try reseating this device or replacing it.\n", location, drv_str, pci_str, frozen_pdn->eeh_freeze_count); goto perm_error; @@ -488,7 +488,7 @@ excess_failures: hard_fail: printk(KERN_ERR "EEH: Unable to recover from failure of PCI device " - "at location=%s driver=%s pci addr=%s \n" + "at location=%s driver=%s pci addr=%s\n" "Please try reseating this device or replacing it.\n", location, drv_str, pci_str); diff --git a/arch/powerpc/platforms/pseries/eeh_event.c b/arch/powerpc/platforms/pseries/eeh_event.c index ddb80f5..ec5df8f 100644 --- a/arch/powerpc/platforms/pseries/eeh_event.c +++ b/arch/powerpc/platforms/pseries/eeh_event.c @@ -80,7 +80,7 @@ static int eeh_event_handler(void * dummy) eeh_mark_slot(event->dn, EEH_MODE_RECOVERING); printk(KERN_INFO "EEH: Detected PCI bus error on device %s\n", - pci_name(event->dev)); + eeh_pci_name(event->dev)); pdn = handle_eeh_events(event); diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index 6ea4698..d1b124e 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -387,24 +387,12 @@ static char cede_parameters[CEDE_LATENCY_PARAM_MAX_LENGTH]; static int parse_cede_parameters(void) { - int call_status; - memset(cede_parameters, 0, CEDE_LATENCY_PARAM_MAX_LENGTH); - call_status = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1, - NULL, - CEDE_LATENCY_TOKEN, - __pa(cede_parameters), - CEDE_LATENCY_PARAM_MAX_LENGTH); - - if (call_status != 0) - printk(KERN_INFO "CEDE_LATENCY: \ - %s %s Error calling get-system-parameter(0x%x)\n", - __FILE__, __func__, call_status); - else - printk(KERN_INFO "CEDE_LATENCY: \ - get-system-parameter successful.\n"); - - return call_status; + return rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1, + NULL, + CEDE_LATENCY_TOKEN, + __pa(cede_parameters), + CEDE_LATENCY_PARAM_MAX_LENGTH); } static int __init pseries_cpu_hotplug_init(void) diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c index 2f58c71..1fefae7 100644 --- a/arch/powerpc/platforms/pseries/hvCall_inst.c +++ b/arch/powerpc/platforms/pseries/hvCall_inst.c @@ -124,8 +124,8 @@ static void probe_hcall_exit(unsigned long opcode, unsigned long retval, h = &__get_cpu_var(hcall_stats)[opcode / 4]; h->num_calls++; - h->tb_total = mftb() - h->tb_start; - h->purr_total = mfspr(SPRN_PURR) - h->purr_start; + h->tb_total += mftb() - h->tb_start; + h->purr_total += mfspr(SPRN_PURR) - h->purr_start; put_cpu_var(hcall_stats); } diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c index b6fa3e4..4b7a062 100644 --- a/arch/powerpc/platforms/pseries/pci_dlpar.c +++ b/arch/powerpc/platforms/pseries/pci_dlpar.c @@ -165,7 +165,7 @@ int remove_phb_dynamic(struct pci_controller *phb) struct resource *res; int rc, i; - pr_debug("PCI: Removing PHB %04x:%02x... \n", + pr_debug("PCI: Removing PHB %04x:%02x...\n", pci_domain_nr(b), b->number); /* We cannot to remove a root bus that has children */ diff --git a/arch/powerpc/platforms/pseries/phyp_dump.c b/arch/powerpc/platforms/pseries/phyp_dump.c index 15eb610..225a50a 100644 --- a/arch/powerpc/platforms/pseries/phyp_dump.c +++ b/arch/powerpc/platforms/pseries/phyp_dump.c @@ -150,7 +150,7 @@ static void print_dump_header(const struct phyp_dump_header *ph) printk(KERN_INFO "Max auto time= %d\n", ph->maxtime_to_auto); /*set cpu state and hpte states as well scratch pad area */ - printk(KERN_INFO " CPU AREA \n"); + printk(KERN_INFO " CPU AREA\n"); printk(KERN_INFO "cpu dump_flags =%d\n", ph->cpu_data.dump_flags); printk(KERN_INFO "cpu source_type =%d\n", ph->cpu_data.source_type); printk(KERN_INFO "cpu error_flags =%d\n", ph->cpu_data.error_flags); @@ -161,7 +161,7 @@ static void print_dump_header(const struct phyp_dump_header *ph) printk(KERN_INFO "cpu length_copied =%llx\n", ph->cpu_data.length_copied); - printk(KERN_INFO " HPTE AREA \n"); + printk(KERN_INFO " HPTE AREA\n"); printk(KERN_INFO "HPTE dump_flags =%d\n", ph->hpte_data.dump_flags); printk(KERN_INFO "HPTE source_type =%d\n", ph->hpte_data.source_type); printk(KERN_INFO "HPTE error_flags =%d\n", ph->hpte_data.error_flags); @@ -172,7 +172,7 @@ static void print_dump_header(const struct phyp_dump_header *ph) printk(KERN_INFO "HPTE length_copied =%llx\n", ph->hpte_data.length_copied); - printk(KERN_INFO " SRSD AREA \n"); + printk(KERN_INFO " SRSD AREA\n"); printk(KERN_INFO "SRSD dump_flags =%d\n", ph->kernel_data.dump_flags); printk(KERN_INFO "SRSD source_type =%d\n", ph->kernel_data.source_type); printk(KERN_INFO "SRSD error_flags =%d\n", ph->kernel_data.error_flags); diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index b488663..4e7f89a 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -144,8 +144,8 @@ static void __devinit smp_pSeries_kick_cpu(int nr) hcpuid = get_hard_smp_processor_id(nr); rc = plpar_hcall_norets(H_PROD, hcpuid); if (rc != H_SUCCESS) - printk(KERN_ERR "Error: Prod to wake up processor %d\ - Ret= %ld\n", nr, rc); + printk(KERN_ERR "Error: Prod to wake up processor %d " + "Ret= %ld\n", nr, rc); } } diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index f5f7919..4ca6410 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -127,7 +127,7 @@ static inline unsigned int lpar_xirr_info_get(void) lpar_rc = plpar_xirr(&return_value); if (lpar_rc != H_SUCCESS) - panic(" bad return code xirr - rc = %lx \n", lpar_rc); + panic(" bad return code xirr - rc = %lx\n", lpar_rc); return (unsigned int)return_value; } @@ -424,7 +424,7 @@ static int xics_set_affinity(unsigned int virq, const struct cpumask *cpumask) } static struct irq_chip xics_pic_direct = { - .name = " XICS ", + .name = "XICS", .startup = xics_startup, .mask = xics_mask_irq, .unmask = xics_unmask_irq, @@ -433,7 +433,7 @@ static struct irq_chip xics_pic_direct = { }; static struct irq_chip xics_pic_lpar = { - .name = " XICS ", + .name = "XICS", .startup = xics_startup, .mask = xics_mask_irq, .unmask = xics_unmask_irq, @@ -510,15 +510,13 @@ static void __init xics_init_host(void) /* * XICS only has a single IPI, so encode the messages per CPU */ -struct xics_ipi_struct { - unsigned long value; - } ____cacheline_aligned; - -static struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned; +static DEFINE_PER_CPU_SHARED_ALIGNED(unsigned long, xics_ipi_message); static inline void smp_xics_do_message(int cpu, int msg) { - set_bit(msg, &xics_ipi_message[cpu].value); + unsigned long *tgt = &per_cpu(xics_ipi_message, cpu); + + set_bit(msg, tgt); mb(); if (firmware_has_feature(FW_FEATURE_LPAR)) lpar_qirr_info(cpu, IPI_PRIORITY); @@ -544,25 +542,23 @@ void smp_xics_message_pass(int target, int msg) static irqreturn_t xics_ipi_dispatch(int cpu) { + unsigned long *tgt = &per_cpu(xics_ipi_message, cpu); + WARN_ON(cpu_is_offline(cpu)); mb(); /* order mmio clearing qirr */ - while (xics_ipi_message[cpu].value) { - if (test_and_clear_bit(PPC_MSG_CALL_FUNCTION, - &xics_ipi_message[cpu].value)) { + while (*tgt) { + if (test_and_clear_bit(PPC_MSG_CALL_FUNCTION, tgt)) { smp_message_recv(PPC_MSG_CALL_FUNCTION); } - if (test_and_clear_bit(PPC_MSG_RESCHEDULE, - &xics_ipi_message[cpu].value)) { + if (test_and_clear_bit(PPC_MSG_RESCHEDULE, tgt)) { smp_message_recv(PPC_MSG_RESCHEDULE); } - if (test_and_clear_bit(PPC_MSG_CALL_FUNC_SINGLE, - &xics_ipi_message[cpu].value)) { + if (test_and_clear_bit(PPC_MSG_CALL_FUNC_SINGLE, tgt)) { smp_message_recv(PPC_MSG_CALL_FUNC_SINGLE); } #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) - if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK, - &xics_ipi_message[cpu].value)) { + if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK, tgt)) { smp_message_recv(PPC_MSG_DEBUGGER_BREAK); } #endif diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c index a4b41db..ecad10d 100644 --- a/arch/powerpc/sysdev/cpm1.c +++ b/arch/powerpc/sysdev/cpm1.c @@ -77,7 +77,7 @@ static void cpm_end_irq(unsigned int irq) } static struct irq_chip cpm_pic = { - .name = " CPM PIC ", + .name = "CPM PIC", .mask = cpm_mask_irq, .unmask = cpm_unmask_irq, .eoi = cpm_end_irq, diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c index 1709ac5..fcea4ff 100644 --- a/arch/powerpc/sysdev/cpm2_pic.c +++ b/arch/powerpc/sysdev/cpm2_pic.c @@ -198,7 +198,7 @@ err_sense: } static struct irq_chip cpm2_pic = { - .name = " CPM2 SIU ", + .name = "CPM2 SIU", .mask = cpm2_mask_irq, .unmask = cpm2_unmask_irq, .ack = cpm2_ack, diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index c6e11b0..e094367 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -47,7 +47,7 @@ static struct irq_chip fsl_msi_chip = { .mask = mask_msi_irq, .unmask = unmask_msi_irq, .ack = fsl_msi_end_irq, - .name = " FSL-MSI ", + .name = "FSL-MSI", }; static int fsl_msi_host_map(struct irq_host *h, unsigned int virq, diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c index 0a55db8..d325817 100644 --- a/arch/powerpc/sysdev/i8259.c +++ b/arch/powerpc/sysdev/i8259.c @@ -135,7 +135,7 @@ static void i8259_unmask_irq(unsigned int irq_nr) } static struct irq_chip i8259_pic = { - .name = " i8259 ", + .name = "i8259", .mask = i8259_mask_irq, .disable = i8259_mask_irq, .unmask = i8259_unmask_irq, diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index 28cdddd..1648671 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -660,7 +660,7 @@ static int ipic_set_irq_type(unsigned int virq, unsigned int flow_type) /* level interrupts and edge interrupts have different ack operations */ static struct irq_chip ipic_level_irq_chip = { - .name = " IPIC ", + .name = "IPIC", .unmask = ipic_unmask_irq, .mask = ipic_mask_irq, .mask_ack = ipic_mask_irq, @@ -668,7 +668,7 @@ static struct irq_chip ipic_level_irq_chip = { }; static struct irq_chip ipic_edge_irq_chip = { - .name = " IPIC ", + .name = "IPIC", .unmask = ipic_unmask_irq, .mask = ipic_mask_irq, .mask_ack = ipic_mask_irq_and_ack, diff --git a/arch/powerpc/sysdev/mpc8xx_pic.c b/arch/powerpc/sysdev/mpc8xx_pic.c index 69bd6f4..8c27d26 100644 --- a/arch/powerpc/sysdev/mpc8xx_pic.c +++ b/arch/powerpc/sysdev/mpc8xx_pic.c @@ -94,7 +94,7 @@ static int mpc8xx_set_irq_type(unsigned int virq, unsigned int flow_type) } static struct irq_chip mpc8xx_pic = { - .name = " MPC8XX SIU ", + .name = "MPC8XX SIU", .unmask = mpc8xx_unmask_irq, .mask = mpc8xx_mask_irq, .ack = mpc8xx_ack, diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 470dc6c1..314f0fa 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1575,7 +1575,7 @@ void mpic_request_ipis(void) int i; BUG_ON(mpic == NULL); - printk(KERN_INFO "mpic: requesting IPIs ... \n"); + printk(KERN_INFO "mpic: requesting IPIs...\n"); for (i = 0; i < 4; i++) { unsigned int vipi = irq_create_mapping(mpic->irqhost, diff --git a/arch/powerpc/sysdev/mpic_pasemi_msi.c b/arch/powerpc/sysdev/mpic_pasemi_msi.c index 0f6ab06..3b6a9a4 100644 --- a/arch/powerpc/sysdev/mpic_pasemi_msi.c +++ b/arch/powerpc/sysdev/mpic_pasemi_msi.c @@ -60,7 +60,7 @@ static struct irq_chip mpic_pasemi_msi_chip = { .eoi = mpic_end_irq, .set_type = mpic_set_irq_type, .set_affinity = mpic_set_affinity, - .name = "PASEMI-MSI ", + .name = "PASEMI-MSI", }; static int pasemi_msi_check_device(struct pci_dev *pdev, int nvec, int type) diff --git a/arch/powerpc/sysdev/mv64x60_dev.c b/arch/powerpc/sysdev/mv64x60_dev.c index b6bd775..31acd3b 100644 --- a/arch/powerpc/sysdev/mv64x60_dev.c +++ b/arch/powerpc/sysdev/mv64x60_dev.c @@ -16,6 +16,7 @@ #include <linux/mv643xx.h> #include <linux/platform_device.h> #include <linux/of_platform.h> +#include <linux/dma-mapping.h> #include <asm/prom.h> @@ -189,6 +190,7 @@ static int __init mv64x60_mpsc_device_setup(struct device_node *np, int id) pdev = platform_device_alloc(MPSC_CTLR_NAME, port_number); if (!pdev) return -ENOMEM; + pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); err = platform_device_add_resources(pdev, r, 5); if (err) @@ -302,6 +304,7 @@ static int __init mv64x60_eth_device_setup(struct device_node *np, int id, if (!pdev) return -ENOMEM; + pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); err = platform_device_add_resources(pdev, r, 1); if (err) goto error; diff --git a/arch/powerpc/sysdev/ppc4xx_soc.c b/arch/powerpc/sysdev/ppc4xx_soc.c index 5b32adc..5c01435 100644 --- a/arch/powerpc/sysdev/ppc4xx_soc.c +++ b/arch/powerpc/sysdev/ppc4xx_soc.c @@ -174,7 +174,8 @@ static int __init ppc4xx_l2c_probe(void) | L2C_CFG_CPIM | L2C_CFG_TPIM | L2C_CFG_LIM | L2C_CFG_SMCM; /* Check for 460EX/GT special handling */ - if (of_device_is_compatible(np, "ibm,l2-cache-460ex")) + if (of_device_is_compatible(np, "ibm,l2-cache-460ex") || + of_device_is_compatible(np, "ibm,l2-cache-460gt")) r |= L2C_CFG_RDBW; mtdcr(dcrbase_l2c + DCRN_L2C0_CFG, r); diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c index 2acc928..d927da8 100644 --- a/arch/powerpc/sysdev/qe_lib/qe_ic.c +++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c @@ -237,7 +237,7 @@ static void qe_ic_mask_irq(unsigned int virq) } static struct irq_chip qe_ic_irq_chip = { - .name = " QEIC ", + .name = "QEIC", .unmask = qe_ic_unmask_irq, .mask = qe_ic_mask_irq, .mask_ack = qe_ic_mask_irq, @@ -256,7 +256,7 @@ static int qe_ic_host_map(struct irq_host *h, unsigned int virq, struct irq_chip *chip; if (qe_ic_info[hw].mask == 0) { - printk(KERN_ERR "Can't map reserved IRQ \n"); + printk(KERN_ERR "Can't map reserved IRQ\n"); return -EINVAL; } /* Default chip */ diff --git a/arch/powerpc/sysdev/qe_lib/qe_io.c b/arch/powerpc/sysdev/qe_lib/qe_io.c index 7c87460..77e4934 100644 --- a/arch/powerpc/sysdev/qe_lib/qe_io.c +++ b/arch/powerpc/sysdev/qe_lib/qe_io.c @@ -157,13 +157,13 @@ int par_io_of_config(struct device_node *np) const unsigned int *pio_map; if (par_io == NULL) { - printk(KERN_ERR "par_io not initialized \n"); + printk(KERN_ERR "par_io not initialized\n"); return -1; } ph = of_get_property(np, "pio-handle", NULL); if (ph == NULL) { - printk(KERN_ERR "pio-handle not available \n"); + printk(KERN_ERR "pio-handle not available\n"); return -1; } @@ -171,12 +171,12 @@ int par_io_of_config(struct device_node *np) pio_map = of_get_property(pio, "pio-map", &pio_map_len); if (pio_map == NULL) { - printk(KERN_ERR "pio-map is not set! \n"); + printk(KERN_ERR "pio-map is not set!\n"); return -1; } pio_map_len /= sizeof(unsigned int); if ((pio_map_len % 6) != 0) { - printk(KERN_ERR "pio-map format wrong! \n"); + printk(KERN_ERR "pio-map format wrong!\n"); return -1; } diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c index 6f220a9..0038fb7 100644 --- a/arch/powerpc/sysdev/uic.c +++ b/arch/powerpc/sysdev/uic.c @@ -177,7 +177,7 @@ static int uic_set_irq_type(unsigned int virq, unsigned int flow_type) } static struct irq_chip uic_irq_chip = { - .name = " UIC ", + .name = "UIC", .unmask = uic_unmask_irq, .mask = uic_mask_irq, .mask_ack = uic_mask_ack_irq, diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 4e6152c..8bad7d5 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -61,7 +61,7 @@ static int xmon_owner; static int xmon_gate; #endif /* CONFIG_SMP */ -static unsigned long in_xmon = 0; +static unsigned long in_xmon __read_mostly = 0; static unsigned long adrs; static int size = 1; diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c index 873ebdc..b063eb8 100644 --- a/arch/sh/kernel/ptrace_64.c +++ b/arch/sh/kernel/ptrace_64.c @@ -133,6 +133,8 @@ void user_enable_single_step(struct task_struct *child) struct pt_regs *regs = child->thread.uregs; regs->sr |= SR_SSTEP; /* auto-resetting upon exception */ + + set_tsk_thread_flag(child, TIF_SINGLESTEP); } void user_disable_single_step(struct task_struct *child) @@ -140,6 +142,8 @@ void user_disable_single_step(struct task_struct *child) struct pt_regs *regs = child->thread.uregs; regs->sr &= ~SR_SSTEP; + + clear_tsk_thread_flag(child, TIF_SINGLESTEP); } static int genregs_get(struct task_struct *target, @@ -454,6 +458,8 @@ asmlinkage long long do_syscall_trace_enter(struct pt_regs *regs) asmlinkage void do_syscall_trace_leave(struct pt_regs *regs) { + int step; + if (unlikely(current->audit_context)) audit_syscall_exit(AUDITSC_RESULT(regs->regs[9]), regs->regs[9]); @@ -461,8 +467,9 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs) if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) trace_sys_exit(regs, regs->regs[9]); - if (test_thread_flag(TIF_SYSCALL_TRACE)) - tracehook_report_syscall_exit(regs, 0); + step = test_thread_flag(TIF_SINGLESTEP); + if (step || test_thread_flag(TIF_SYSCALL_TRACE)) + tracehook_report_syscall_exit(regs, step); } /* Called with interrupts disabled */ diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c index ce76dbd..580e97d 100644 --- a/arch/sh/kernel/signal_64.c +++ b/arch/sh/kernel/signal_64.c @@ -118,7 +118,9 @@ static int do_signal(struct pt_regs *regs, sigset_t *oldset) * clear the TS_RESTORE_SIGMASK flag. */ current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - tracehook_signal_handler(signr, &info, &ka, regs, 0); + + tracehook_signal_handler(signr, &info, &ka, regs, + test_thread_flag(TIF_SINGLESTEP)); return 1; } } diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h index 1994d3f..f2ad216 100644 --- a/arch/x86/include/asm/elf.h +++ b/arch/x86/include/asm/elf.h @@ -170,10 +170,7 @@ static inline void elf_common_init(struct thread_struct *t, } #define ELF_PLAT_INIT(_r, load_addr) \ -do { \ - elf_common_init(¤t->thread, _r, 0); \ - clear_thread_flag(TIF_IA32); \ -} while (0) + elf_common_init(¤t->thread, _r, 0) #define COMPAT_ELF_PLAT_INIT(regs, load_addr) \ elf_common_init(¤t->thread, regs, __USER_DS) diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 41a26a8..126f0b4 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -527,6 +527,7 @@ void set_personality_ia32(void) /* Make sure to be in 32bit mode */ set_thread_flag(TIF_IA32); + current->personality |= force_personality32; /* Prepare the first "return" to user space */ current_thread_info()->status |= TS_COMPAT; diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c index a8c8b56..1b3def1 100644 --- a/drivers/block/viodasd.c +++ b/drivers/block/viodasd.c @@ -28,6 +28,9 @@ * All disk operations are performed by sending messages back and forth to * the OS/400 partition. */ + +#define pr_fmt(fmt) "viod: " fmt + #include <linux/major.h> #include <linux/fs.h> #include <linux/module.h> @@ -63,9 +66,6 @@ MODULE_LICENSE("GPL"); #define VIOD_VERS "1.64" -#define VIOD_KERN_WARNING KERN_WARNING "viod: " -#define VIOD_KERN_INFO KERN_INFO "viod: " - enum { PARTITION_SHIFT = 3, MAX_DISKNO = HVMAXARCHITECTEDVIRTUALDISKS, @@ -156,7 +156,7 @@ static int viodasd_open(struct block_device *bdev, fmode_t mode) ((u64)DEVICE_NO(d) << 48) | ((u64)flags << 32), 0, 0, 0); if (hvrc != 0) { - printk(VIOD_KERN_WARNING "HV open failed %d\n", (int)hvrc); + pr_warning("HV open failed %d\n", (int)hvrc); return -EIO; } @@ -167,9 +167,8 @@ static int viodasd_open(struct block_device *bdev, fmode_t mode) const struct vio_error_entry *err = vio_lookup_rc(viodasd_err_table, we.sub_result); - printk(VIOD_KERN_WARNING - "bad rc opening disk: %d:0x%04x (%s)\n", - (int)we.rc, we.sub_result, err->msg); + pr_warning("bad rc opening disk: %d:0x%04x (%s)\n", + (int)we.rc, we.sub_result, err->msg); return -EIO; } @@ -195,8 +194,7 @@ static int viodasd_release(struct gendisk *disk, fmode_t mode) ((u64)DEVICE_NO(d) << 48) /* | ((u64)flags << 32) */, 0, 0, 0); if (hvrc != 0) - printk(VIOD_KERN_WARNING "HV close call failed %d\n", - (int)hvrc); + pr_warning("HV close call failed %d\n", (int)hvrc); return 0; } @@ -288,8 +286,7 @@ static int send_request(struct request *req) bevent = (struct vioblocklpevent *) vio_get_event_buffer(viomajorsubtype_blockio); if (bevent == NULL) { - printk(VIOD_KERN_WARNING - "error allocating disk event buffer\n"); + pr_warning("error allocating disk event buffer\n"); goto error_ret; } @@ -333,9 +330,8 @@ static int send_request(struct request *req) } if (hvrc != HvLpEvent_Rc_Good) { - printk(VIOD_KERN_WARNING - "error sending disk event to OS/400 (rc %d)\n", - (int)hvrc); + pr_warning("error sending disk event to OS/400 (rc %d)\n", + (int)hvrc); goto error_ret; } spin_unlock_irqrestore(&viodasd_spinlock, flags); @@ -402,7 +398,7 @@ retry: ((u64)dev_no << 48) | ((u64)flags<< 32), 0, 0, 0); if (hvrc != 0) { - printk(VIOD_KERN_WARNING "bad rc on HV open %d\n", (int)hvrc); + pr_warning("bad rc on HV open %d\n", (int)hvrc); return 0; } @@ -416,9 +412,8 @@ retry: goto retry; } if (we.max_disk > (MAX_DISKNO - 1)) { - printk_once(VIOD_KERN_INFO - "Only examining the first %d of %d disks connected\n", - MAX_DISKNO, we.max_disk + 1); + printk_once(KERN_INFO pr_fmt("Only examining the first %d of %d disks connected\n"), + MAX_DISKNO, we.max_disk + 1); } /* Send the close event to OS/400. We DON'T expect a response */ @@ -432,17 +427,15 @@ retry: ((u64)dev_no << 48) | ((u64)flags << 32), 0, 0, 0); if (hvrc != 0) { - printk(VIOD_KERN_WARNING - "bad rc sending event to OS/400 %d\n", (int)hvrc); + pr_warning("bad rc sending event to OS/400 %d\n", (int)hvrc); return 0; } if (d->dev == NULL) { /* this is when we reprobe for new disks */ if (vio_create_viodasd(dev_no) == NULL) { - printk(VIOD_KERN_WARNING - "cannot allocate virtual device for disk %d\n", - dev_no); + pr_warning("cannot allocate virtual device for disk %d\n", + dev_no); return 0; } /* @@ -457,15 +450,13 @@ retry: spin_lock_init(&d->q_lock); q = blk_init_queue(do_viodasd_request, &d->q_lock); if (q == NULL) { - printk(VIOD_KERN_WARNING "cannot allocate queue for disk %d\n", - dev_no); + pr_warning("cannot allocate queue for disk %d\n", dev_no); return 0; } g = alloc_disk(1 << PARTITION_SHIFT); if (g == NULL) { - printk(VIOD_KERN_WARNING - "cannot allocate disk structure for disk %d\n", - dev_no); + pr_warning("cannot allocate disk structure for disk %d\n", + dev_no); blk_cleanup_queue(q); return 0; } @@ -489,13 +480,12 @@ retry: g->driverfs_dev = d->dev; set_capacity(g, d->size >> 9); - printk(VIOD_KERN_INFO "disk %d: %lu sectors (%lu MB) " - "CHS=%d/%d/%d sector size %d%s\n", - dev_no, (unsigned long)(d->size >> 9), - (unsigned long)(d->size >> 20), - (int)d->cylinders, (int)d->tracks, - (int)d->sectors, (int)d->bytes_per_sector, - d->read_only ? " (RO)" : ""); + pr_info("disk %d: %lu sectors (%lu MB) CHS=%d/%d/%d sector size %d%s\n", + dev_no, (unsigned long)(d->size >> 9), + (unsigned long)(d->size >> 20), + (int)d->cylinders, (int)d->tracks, + (int)d->sectors, (int)d->bytes_per_sector, + d->read_only ? " (RO)" : ""); /* register us in the global list */ add_disk(g); @@ -580,8 +570,8 @@ static int viodasd_handle_read_write(struct vioblocklpevent *bevent) if (error) { const struct vio_error_entry *err; err = vio_lookup_rc(viodasd_err_table, bevent->sub_result); - printk(VIOD_KERN_WARNING "read/write error %d:0x%04x (%s)\n", - event->xRc, bevent->sub_result, err->msg); + pr_warning("read/write error %d:0x%04x (%s)\n", + event->xRc, bevent->sub_result, err->msg); num_sect = blk_rq_sectors(req); } qlock = req->q->queue_lock; @@ -606,8 +596,7 @@ static void handle_block_event(struct HvLpEvent *event) return; /* First, we should NEVER get an int here...only acks */ if (hvlpevent_is_int(event)) { - printk(VIOD_KERN_WARNING - "Yikes! got an int in viodasd event handler!\n"); + pr_warning("Yikes! got an int in viodasd event handler!\n"); if (hvlpevent_need_ack(event)) { event->xRc = HvLpEvent_Rc_InvalidSubtype; HvCallEvent_ackLpEvent(event); @@ -650,7 +639,7 @@ static void handle_block_event(struct HvLpEvent *event) break; default: - printk(VIOD_KERN_WARNING "invalid subtype!"); + pr_warning("invalid subtype!"); if (hvlpevent_need_ack(event)) { event->xRc = HvLpEvent_Rc_InvalidSubtype; HvCallEvent_ackLpEvent(event); @@ -739,29 +728,26 @@ static int __init viodasd_init(void) vio_set_hostlp(); if (viopath_hostLp == HvLpIndexInvalid) { - printk(VIOD_KERN_WARNING "invalid hosting partition\n"); + pr_warning("invalid hosting partition\n"); rc = -EIO; goto early_fail; } - printk(VIOD_KERN_INFO "vers " VIOD_VERS ", hosting partition %d\n", - viopath_hostLp); + pr_info("vers " VIOD_VERS ", hosting partition %d\n", viopath_hostLp); /* register the block device */ rc = register_blkdev(VIODASD_MAJOR, VIOD_GENHD_NAME); if (rc) { - printk(VIOD_KERN_WARNING - "Unable to get major number %d for %s\n", - VIODASD_MAJOR, VIOD_GENHD_NAME); + pr_warning("Unable to get major number %d for %s\n", + VIODASD_MAJOR, VIOD_GENHD_NAME); goto early_fail; } /* Actually open the path to the hosting partition */ rc = viopath_open(viopath_hostLp, viomajorsubtype_blockio, VIOMAXREQ + 2); if (rc) { - printk(VIOD_KERN_WARNING - "error opening path to host partition %d\n", - viopath_hostLp); + pr_warning("error opening path to host partition %d\n", + viopath_hostLp); goto unregister_blk; } @@ -770,7 +756,7 @@ static int __init viodasd_init(void) rc = vio_register_driver(&viodasd_driver); if (rc) { - printk(VIOD_KERN_WARNING "vio_register_driver failed\n"); + pr_warning("vio_register_driver failed\n"); goto unset_handler; } diff --git a/drivers/char/hvc_beat.c b/drivers/char/hvc_beat.c index 0afc8b8..6913fc3 100644 --- a/drivers/char/hvc_beat.c +++ b/drivers/char/hvc_beat.c @@ -84,7 +84,7 @@ static int hvc_beat_put_chars(uint32_t vtermno, const char *buf, int cnt) return cnt; } -static struct hv_ops hvc_beat_get_put_ops = { +static const struct hv_ops hvc_beat_get_put_ops = { .get_chars = hvc_beat_get_chars, .put_chars = hvc_beat_put_chars, }; diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 416d342..4c3b59b 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -125,7 +125,7 @@ static struct hvc_struct *hvc_get_by_index(int index) * console interfaces but can still be used as a tty device. This has to be * static because kmalloc will not work during early console init. */ -static struct hv_ops *cons_ops[MAX_NR_HVC_CONSOLES]; +static const struct hv_ops *cons_ops[MAX_NR_HVC_CONSOLES]; static uint32_t vtermnos[MAX_NR_HVC_CONSOLES] = {[0 ... MAX_NR_HVC_CONSOLES - 1] = -1}; @@ -247,7 +247,7 @@ static void destroy_hvc_struct(struct kref *kref) * vty adapters do NOT get an hvc_instantiate() callback since they * appear after early console init. */ -int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops) +int hvc_instantiate(uint32_t vtermno, int index, const struct hv_ops *ops) { struct hvc_struct *hp; @@ -748,8 +748,9 @@ static const struct tty_operations hvc_ops = { .chars_in_buffer = hvc_chars_in_buffer, }; -struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int data, - struct hv_ops *ops, int outbuf_size) +struct hvc_struct *hvc_alloc(uint32_t vtermno, int data, + const struct hv_ops *ops, + int outbuf_size) { struct hvc_struct *hp; int i; diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h index 10950ca..54381eba 100644 --- a/drivers/char/hvc_console.h +++ b/drivers/char/hvc_console.h @@ -55,7 +55,7 @@ struct hvc_struct { int outbuf_size; int n_outbuf; uint32_t vtermno; - struct hv_ops *ops; + const struct hv_ops *ops; int irq_requested; int data; struct winsize ws; @@ -76,11 +76,12 @@ struct hv_ops { }; /* Register a vterm and a slot index for use as a console (console_init) */ -extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops); +extern int hvc_instantiate(uint32_t vtermno, int index, + const struct hv_ops *ops); /* register a vterm for hvc tty operation (module_init or hotplug add) */ -extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int data, - struct hv_ops *ops, int outbuf_size); +extern struct hvc_struct * hvc_alloc(uint32_t vtermno, int data, + const struct hv_ops *ops, int outbuf_size); /* remove a vterm from hvc tty operation (module_exit or hotplug remove) */ extern int hvc_remove(struct hvc_struct *hp); diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c index 936d05b..fd02426 100644 --- a/drivers/char/hvc_iseries.c +++ b/drivers/char/hvc_iseries.c @@ -197,7 +197,7 @@ done: return sent; } -static struct hv_ops hvc_get_put_ops = { +static const struct hv_ops hvc_get_put_ops = { .get_chars = get_chars, .put_chars = put_chars, .notifier_add = notifier_add_irq, diff --git a/drivers/char/hvc_iucv.c b/drivers/char/hvc_iucv.c index fe62bd0..21681a8 100644 --- a/drivers/char/hvc_iucv.c +++ b/drivers/char/hvc_iucv.c @@ -922,7 +922,7 @@ static int hvc_iucv_pm_restore_thaw(struct device *dev) /* HVC operations */ -static struct hv_ops hvc_iucv_ops = { +static const struct hv_ops hvc_iucv_ops = { .get_chars = hvc_iucv_get_chars, .put_chars = hvc_iucv_put_chars, .notifier_add = hvc_iucv_notifier_add, diff --git a/drivers/char/hvc_rtas.c b/drivers/char/hvc_rtas.c index 88590d0..61c4a61 100644 --- a/drivers/char/hvc_rtas.c +++ b/drivers/char/hvc_rtas.c @@ -71,7 +71,7 @@ static int hvc_rtas_read_console(uint32_t vtermno, char *buf, int count) return i; } -static struct hv_ops hvc_rtas_get_put_ops = { +static const struct hv_ops hvc_rtas_get_put_ops = { .get_chars = hvc_rtas_read_console, .put_chars = hvc_rtas_write_console, }; diff --git a/drivers/char/hvc_udbg.c b/drivers/char/hvc_udbg.c index bd63ba8..b0957e6 100644 --- a/drivers/char/hvc_udbg.c +++ b/drivers/char/hvc_udbg.c @@ -58,7 +58,7 @@ static int hvc_udbg_get(uint32_t vtermno, char *buf, int count) return i; } -static struct hv_ops hvc_udbg_ops = { +static const struct hv_ops hvc_udbg_ops = { .get_chars = hvc_udbg_get, .put_chars = hvc_udbg_put, }; diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c index 10be343..27370e9 100644 --- a/drivers/char/hvc_vio.c +++ b/drivers/char/hvc_vio.c @@ -77,7 +77,7 @@ static int filtered_get_chars(uint32_t vtermno, char *buf, int count) return got; } -static struct hv_ops hvc_get_put_ops = { +static const struct hv_ops hvc_get_put_ops = { .get_chars = filtered_get_chars, .put_chars = hvc_put_chars, .notifier_add = notifier_add_irq, diff --git a/drivers/char/hvc_xen.c b/drivers/char/hvc_xen.c index b1a7163..60446f8 100644 --- a/drivers/char/hvc_xen.c +++ b/drivers/char/hvc_xen.c @@ -122,7 +122,7 @@ static int read_console(uint32_t vtermno, char *buf, int len) return recv; } -static struct hv_ops hvc_ops = { +static const struct hv_ops hvc_ops = { .get_chars = read_console, .put_chars = write_console, .notifier_add = notifier_add_irq, diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c index cbaf420..2d3dc7d 100644 --- a/drivers/firewire/net.c +++ b/drivers/firewire/net.c @@ -893,20 +893,31 @@ static void fwnet_receive_broadcast(struct fw_iso_context *context, static struct kmem_cache *fwnet_packet_task_cache; +static void fwnet_free_ptask(struct fwnet_packet_task *ptask) +{ + dev_kfree_skb_any(ptask->skb); + kmem_cache_free(fwnet_packet_task_cache, ptask); +} + static int fwnet_send_packet(struct fwnet_packet_task *ptask); static void fwnet_transmit_packet_done(struct fwnet_packet_task *ptask) { - struct fwnet_device *dev; + struct fwnet_device *dev = ptask->dev; unsigned long flags; - - dev = ptask->dev; + bool free; spin_lock_irqsave(&dev->lock, flags); - list_del(&ptask->pt_link); - spin_unlock_irqrestore(&dev->lock, flags); - ptask->outstanding_pkts--; /* FIXME access inside lock */ + ptask->outstanding_pkts--; + + /* Check whether we or the networking TX soft-IRQ is last user. */ + free = (ptask->outstanding_pkts == 0 && !list_empty(&ptask->pt_link)); + + if (ptask->outstanding_pkts == 0) + list_del(&ptask->pt_link); + + spin_unlock_irqrestore(&dev->lock, flags); if (ptask->outstanding_pkts > 0) { u16 dg_size; @@ -951,10 +962,10 @@ static void fwnet_transmit_packet_done(struct fwnet_packet_task *ptask) ptask->max_payload = skb->len + RFC2374_FRAG_HDR_SIZE; } fwnet_send_packet(ptask); - } else { - dev_kfree_skb_any(ptask->skb); - kmem_cache_free(fwnet_packet_task_cache, ptask); } + + if (free) + fwnet_free_ptask(ptask); } static void fwnet_write_complete(struct fw_card *card, int rcode, @@ -977,6 +988,7 @@ static int fwnet_send_packet(struct fwnet_packet_task *ptask) unsigned tx_len; struct rfc2734_header *bufhdr; unsigned long flags; + bool free; dev = ptask->dev; tx_len = ptask->max_payload; @@ -1022,12 +1034,16 @@ static int fwnet_send_packet(struct fwnet_packet_task *ptask) generation, SCODE_100, 0ULL, ptask->skb->data, tx_len + 8, fwnet_write_complete, ptask); - /* FIXME race? */ spin_lock_irqsave(&dev->lock, flags); - list_add_tail(&ptask->pt_link, &dev->broadcasted_list); + + /* If the AT tasklet already ran, we may be last user. */ + free = (ptask->outstanding_pkts == 0 && list_empty(&ptask->pt_link)); + if (!free) + list_add_tail(&ptask->pt_link, &dev->broadcasted_list); + spin_unlock_irqrestore(&dev->lock, flags); - return 0; + goto out; } fw_send_request(dev->card, &ptask->transaction, @@ -1035,12 +1051,19 @@ static int fwnet_send_packet(struct fwnet_packet_task *ptask) ptask->generation, ptask->speed, ptask->fifo_addr, ptask->skb->data, tx_len, fwnet_write_complete, ptask); - /* FIXME race? */ spin_lock_irqsave(&dev->lock, flags); - list_add_tail(&ptask->pt_link, &dev->sent_list); + + /* If the AT tasklet already ran, we may be last user. */ + free = (ptask->outstanding_pkts == 0 && list_empty(&ptask->pt_link)); + if (!free) + list_add_tail(&ptask->pt_link, &dev->sent_list); + spin_unlock_irqrestore(&dev->lock, flags); dev->netdev->trans_start = jiffies; + out: + if (free) + fwnet_free_ptask(ptask); return 0; } @@ -1298,6 +1321,8 @@ static netdev_tx_t fwnet_tx(struct sk_buff *skb, struct net_device *net) spin_unlock_irqrestore(&dev->lock, flags); ptask->max_payload = max_payload; + INIT_LIST_HEAD(&ptask->pt_link); + fwnet_send_packet(ptask); return NETDEV_TX_OK; diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 2345d41..43ebf33 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -2101,11 +2101,6 @@ static int ohci_queue_iso_transmit(struct fw_iso_context *base, u32 payload_index, payload_end_index, next_page_index; int page, end_page, i, length, offset; - /* - * FIXME: Cycle lost behavior should be configurable: lose - * packet, retransmit or terminate.. - */ - p = packet; payload_index = payload; @@ -2135,6 +2130,14 @@ static int ohci_queue_iso_transmit(struct fw_iso_context *base, if (!p->skip) { d[0].control = cpu_to_le16(DESCRIPTOR_KEY_IMMEDIATE); d[0].req_count = cpu_to_le16(8); + /* + * Link the skip address to this descriptor itself. This causes + * a context to skip a cycle whenever lost cycles or FIFO + * overruns occur, without dropping the data. The application + * should then decide whether this is an error condition or not. + * FIXME: Make the context's cycle-lost behaviour configurable? + */ + d[0].branch_address = cpu_to_le32(d_bus | z); header = (__le32 *) &d[1]; header[0] = cpu_to_le32(IT_HEADER_SY(p->sy) | diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index cdec329..2ac074c8 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -405,7 +405,8 @@ struct drm_mm_node *drm_mm_search_free_in_range(const struct drm_mm *mm, wasted += alignment - tmp; } - if (entry->size >= size + wasted) { + if (entry->size >= size + wasted && + (entry->start + wasted + size) <= end) { if (!best_match) return entry; if (entry->size < best_size) { diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index e3b4456..2a3df55 100644 --- a/drivers/gpu/drm/radeon/atom.c +++ b/drivers/gpu/drm/radeon/atom.c @@ -24,6 +24,7 @@ #include <linux/module.h> #include <linux/sched.h> +#include <asm/unaligned.h> #define ATOM_DEBUG @@ -212,7 +213,9 @@ static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr, case ATOM_ARG_PS: idx = U8(*ptr); (*ptr)++; - val = le32_to_cpu(ctx->ps[idx]); + /* get_unaligned_le32 avoids unaligned accesses from atombios + * tables, noticed on a DEC Alpha. */ + val = get_unaligned_le32((u32 *)&ctx->ps[idx]); if (print) DEBUG("PS[0x%02X,0x%04X]", idx, val); break; diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index b32eeea..99915a6 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -350,7 +350,7 @@ retry: atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); if (args.ucReplyStatus && !args.ucDataOutLen) { - if (args.ucReplyStatus == 0x20 && retry_count < 10) + if (args.ucReplyStatus == 0x20 && retry_count++ < 10) goto retry; DRM_DEBUG("failed to get auxch %02x%02x %02x %02x 0x%02x %02x after %d retries\n", req_bytes[1], req_bytes[0], req_bytes[2], req_bytes[3], diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 1a3e909..c7320ce 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1020,6 +1020,12 @@ static int ttm_bo_mem_compat(struct ttm_placement *placement, struct ttm_mem_reg *mem) { int i; + struct drm_mm_node *node = mem->mm_node; + + if (node && placement->lpfn != 0 && + (node->start < placement->fpfn || + node->start + node->size > placement->lpfn)) + return -1; for (i = 0; i < placement->num_placement; i++) { if ((placement->placement[i] & mem->placement & diff --git a/drivers/hwmon/ams/ams-core.c b/drivers/hwmon/ams/ams-core.c index 6c9ace1..2ad62c3 100644 --- a/drivers/hwmon/ams/ams-core.c +++ b/drivers/hwmon/ams/ams-core.c @@ -213,7 +213,7 @@ int __init ams_init(void) return -ENODEV; } -void ams_exit(void) +void ams_sensor_detach(void) { /* Remove input device */ ams_input_exit(); @@ -221,9 +221,6 @@ void ams_exit(void) /* Remove attributes */ device_remove_file(&ams_info.of_dev->dev, &dev_attr_current); - /* Shut down implementation */ - ams_info.exit(); - /* Flush interrupt worker * * We do this after ams_info.exit(), because an interrupt might @@ -239,6 +236,12 @@ void ams_exit(void) pmf_unregister_irq_client(&ams_freefall_client); } +static void __exit ams_exit(void) +{ + /* Shut down implementation */ + ams_info.exit(); +} + MODULE_AUTHOR("Stelian Pop, Michael Hanselmann"); MODULE_DESCRIPTION("Apple Motion Sensor driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/ams/ams-i2c.c b/drivers/hwmon/ams/ams-i2c.c index 2cbf8a65..abeecd2 100644 --- a/drivers/hwmon/ams/ams-i2c.c +++ b/drivers/hwmon/ams/ams-i2c.c @@ -238,6 +238,8 @@ static int ams_i2c_probe(struct i2c_client *client, static int ams_i2c_remove(struct i2c_client *client) { if (ams_info.has_device) { + ams_sensor_detach(); + /* Disable interrupts */ ams_i2c_set_irq(AMS_IRQ_ALL, 0); diff --git a/drivers/hwmon/ams/ams-pmu.c b/drivers/hwmon/ams/ams-pmu.c index fb18b3d..4f61b3e 100644 --- a/drivers/hwmon/ams/ams-pmu.c +++ b/drivers/hwmon/ams/ams-pmu.c @@ -133,6 +133,8 @@ static void ams_pmu_get_xyz(s8 *x, s8 *y, s8 *z) static void ams_pmu_exit(void) { + ams_sensor_detach(); + /* Disable interrupts */ ams_pmu_set_irq(AMS_IRQ_ALL, 0); diff --git a/drivers/hwmon/ams/ams.h b/drivers/hwmon/ams/ams.h index 5ed387b..b28d7e2 100644 --- a/drivers/hwmon/ams/ams.h +++ b/drivers/hwmon/ams/ams.h @@ -61,6 +61,7 @@ extern struct ams ams_info; extern void ams_sensors(s8 *x, s8 *y, s8 *z); extern int ams_sensor_attach(void); +extern void ams_sensor_detach(void); extern int ams_pmu_init(struct device_node *np); extern int ams_i2c_init(struct device_node *np); diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c index 5ff47ba..c42eeb4 100644 --- a/drivers/macintosh/therm_adt746x.c +++ b/drivers/macintosh/therm_adt746x.c @@ -90,6 +90,8 @@ static struct task_struct *thread_therm = NULL; static void write_both_fan_speed(struct thermostat *th, int speed); static void write_fan_speed(struct thermostat *th, int speed, int fan); +static void thermostat_create_files(void); +static void thermostat_remove_files(void); static int write_reg(struct thermostat* th, int reg, u8 data) @@ -161,6 +163,8 @@ remove_thermostat(struct i2c_client *client) struct thermostat *th = i2c_get_clientdata(client); int i; + thermostat_remove_files(); + if (thread_therm != NULL) { kthread_stop(thread_therm); } @@ -312,7 +316,7 @@ static void update_fans_speed (struct thermostat *th) if (verbose) printk(KERN_DEBUG "adt746x: Setting fans speed to %d " - "(limit exceeded by %d on %s) \n", + "(limit exceeded by %d on %s)\n", new_speed, var, sensor_location[fan_number+1]); write_both_fan_speed(th, new_speed); @@ -449,6 +453,8 @@ static int probe_thermostat(struct i2c_client *client, return -ENOMEM; } + thermostat_create_files(); + return 0; } @@ -566,7 +572,6 @@ thermostat_init(void) struct device_node* np; const u32 *prop; int i = 0, offset = 0; - int err; np = of_find_node_by_name(NULL, "fan"); if (!np) @@ -633,6 +638,17 @@ thermostat_init(void) return -ENODEV; } +#ifndef CONFIG_I2C_POWERMAC + request_module("i2c-powermac"); +#endif + + return i2c_add_driver(&thermostat_driver); +} + +static void thermostat_create_files(void) +{ + int err; + err = device_create_file(&of_dev->dev, &dev_attr_sensor1_temperature); err |= device_create_file(&of_dev->dev, &dev_attr_sensor2_temperature); err |= device_create_file(&of_dev->dev, &dev_attr_sensor1_limit); @@ -647,16 +663,9 @@ thermostat_init(void) if (err) printk(KERN_WARNING "Failed to create tempertaure attribute file(s).\n"); - -#ifndef CONFIG_I2C_POWERMAC - request_module("i2c-powermac"); -#endif - - return i2c_add_driver(&thermostat_driver); } -static void __exit -thermostat_exit(void) +static void thermostat_remove_files(void) { if (of_dev) { device_remove_file(&of_dev->dev, &dev_attr_sensor1_temperature); @@ -673,9 +682,14 @@ thermostat_exit(void) device_remove_file(&of_dev->dev, &dev_attr_sensor2_fan_speed); - of_device_unregister(of_dev); } +} + +static void __exit +thermostat_exit(void) +{ i2c_del_driver(&thermostat_driver); + of_device_unregister(of_dev); } module_init(thermostat_init); diff --git a/drivers/md/dm-log-userspace-transfer.c b/drivers/md/dm-log-userspace-transfer.c index 54abf9e..f1c8cae 100644 --- a/drivers/md/dm-log-userspace-transfer.c +++ b/drivers/md/dm-log-userspace-transfer.c @@ -172,11 +172,15 @@ int dm_consult_userspace(const char *uuid, uint64_t luid, int request_type, { int r = 0; size_t dummy = 0; - int overhead_size = - sizeof(struct dm_ulog_request *) + sizeof(struct cn_msg); + int overhead_size = sizeof(struct dm_ulog_request) + sizeof(struct cn_msg); struct dm_ulog_request *tfr = prealloced_ulog_tfr; struct receiving_pkg pkg; + /* + * Given the space needed to hold the 'struct cn_msg' and + * 'struct dm_ulog_request' - do we have enough payload + * space remaining? + */ if (data_size > (DM_ULOG_PREALLOCED_SIZE - overhead_size)) { DMINFO("Size of tfr exceeds preallocated size"); return -EINVAL; @@ -191,7 +195,7 @@ resend: */ mutex_lock(&dm_ulog_lock); - memset(tfr, 0, DM_ULOG_PREALLOCED_SIZE - overhead_size); + memset(tfr, 0, DM_ULOG_PREALLOCED_SIZE - sizeof(struct cn_msg)); memcpy(tfr->uuid, uuid, DM_UUID_LEN); tfr->luid = luid; tfr->seq = dm_ulog_seq++; diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index ad779bd..6c1046d 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -724,7 +724,7 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes) /* * Dispatch io. */ - if (unlikely(ms->log_failure)) { + if (unlikely(ms->log_failure) && errors_handled(ms)) { spin_lock_irq(&ms->lock); bio_list_merge(&ms->failures, &sync); spin_unlock_irq(&ms->lock); diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c index 5f19ceb..168bd38 100644 --- a/drivers/md/dm-region-hash.c +++ b/drivers/md/dm-region-hash.c @@ -660,10 +660,9 @@ void dm_rh_recovery_end(struct dm_region *reg, int success) spin_lock_irq(&rh->region_lock); if (success) list_add(®->list, ®->rh->recovered_regions); - else { - reg->state = DM_RH_NOSYNC; + else list_add(®->list, ®->rh->failed_recovered_regions); - } + spin_unlock_irq(&rh->region_lock); rh->wakeup_workers(rh->context); diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c index 7d08879..c097d8a 100644 --- a/drivers/md/dm-snap-persistent.c +++ b/drivers/md/dm-snap-persistent.c @@ -254,7 +254,7 @@ static int chunk_io(struct pstore *ps, void *area, chunk_t chunk, int rw, * Issue the synchronous I/O from a different thread * to avoid generic_make_request recursion. */ - INIT_WORK(&req.work, do_metadata); + INIT_WORK_ON_STACK(&req.work, do_metadata); queue_work(ps->metadata_wq, &req.work); flush_workqueue(ps->metadata_wq); diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index e0efc1a..bd58703 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -110,7 +110,7 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) } stripes = simple_strtoul(argv[0], &end, 10); - if (*end) { + if (!stripes || *end) { ti->error = "Invalid stripe count"; return -EINVAL; } diff --git a/drivers/md/dm-sysfs.c b/drivers/md/dm-sysfs.c index f53392d..f91b409 100644 --- a/drivers/md/dm-sysfs.c +++ b/drivers/md/dm-sysfs.c @@ -80,20 +80,12 @@ static struct sysfs_ops dm_sysfs_ops = { }; /* - * The sysfs structure is embedded in md struct, nothing to do here - */ -static void dm_sysfs_release(struct kobject *kobj) -{ -} - -/* * dm kobject is embedded in mapped_device structure * no need to define release function here */ static struct kobj_type dm_ktype = { .sysfs_ops = &dm_sysfs_ops, .default_attrs = dm_attrs, - .release = dm_sysfs_release }; /* diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 3167480..aa4e2aa 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1595,10 +1595,15 @@ static int dm_prep_fn(struct request_queue *q, struct request *rq) return BLKPREP_OK; } -static void map_request(struct dm_target *ti, struct request *clone, - struct mapped_device *md) +/* + * Returns: + * 0 : the request has been processed (not requeued) + * !0 : the request has been requeued + */ +static int map_request(struct dm_target *ti, struct request *clone, + struct mapped_device *md) { - int r; + int r, requeued = 0; struct dm_rq_target_io *tio = clone->end_io_data; /* @@ -1625,6 +1630,7 @@ static void map_request(struct dm_target *ti, struct request *clone, case DM_MAPIO_REQUEUE: /* The target wants to requeue the I/O */ dm_requeue_unmapped_request(clone); + requeued = 1; break; default: if (r > 0) { @@ -1636,6 +1642,8 @@ static void map_request(struct dm_target *ti, struct request *clone, dm_kill_unmapped_request(clone, r); break; } + + return requeued; } /* @@ -1677,12 +1685,17 @@ static void dm_request_fn(struct request_queue *q) atomic_inc(&md->pending[rq_data_dir(clone)]); spin_unlock(q->queue_lock); - map_request(ti, clone, md); + if (map_request(ti, clone, md)) + goto requeued; + spin_lock_irq(q->queue_lock); } goto out; +requeued: + spin_lock_irq(q->queue_lock); + plug_and_out: if (!elv_queue_empty(q)) /* Some requests still remain, retry later */ diff --git a/drivers/ps3/ps3av.c b/drivers/ps3/ps3av.c index e82d8c9..95a689b 100644 --- a/drivers/ps3/ps3av.c +++ b/drivers/ps3/ps3av.c @@ -532,7 +532,7 @@ static void ps3av_set_videomode_packet(u32 id) res = ps3av_cmd_avb_param(&avb_param, len); if (res == PS3AV_STATUS_NO_SYNC_HEAD) printk(KERN_WARNING - "%s: Command failed. Please try your request again. \n", + "%s: Command failed. Please try your request again.\n", __func__); else if (res) dev_dbg(&ps3av->dev->core, "ps3av_cmd_avb_param failed\n"); diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 9d08096..6ed434a 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -720,13 +720,15 @@ again: inode->i_ino, orig_offset); BUG_ON(ret); } - fi = btrfs_item_ptr(leaf, path->slots[0], - struct btrfs_file_extent_item); if (del_nr == 0) { + fi = btrfs_item_ptr(leaf, path->slots[0], + struct btrfs_file_extent_item); btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG); btrfs_mark_buffer_dirty(leaf); } else { + fi = btrfs_item_ptr(leaf, del_slot - 1, + struct btrfs_file_extent_item); btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG); btrfs_set_file_extent_num_bytes(leaf, fi, diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index e1d415e..0d28982 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -342,6 +342,7 @@ static ssize_t nfs_direct_read_schedule_segment(struct nfs_direct_req *dreq, data->res.fattr = &data->fattr; data->res.eof = 0; data->res.count = bytes; + nfs_fattr_init(&data->fattr); msg.rpc_argp = &data->args; msg.rpc_resp = &data->res; @@ -575,6 +576,7 @@ static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq) data->res.count = 0; data->res.fattr = &data->fattr; data->res.verf = &data->verf; + nfs_fattr_init(&data->fattr); NFS_PROTO(data->inode)->commit_setup(data, &msg); @@ -766,6 +768,7 @@ static ssize_t nfs_direct_write_schedule_segment(struct nfs_direct_req *dreq, data->res.fattr = &data->fattr; data->res.count = bytes; data->res.verf = &data->verf; + nfs_fattr_init(&data->fattr); task_setup_data.task = &data->task; task_setup_data.callback_data = data; diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 9087b10..2df0f5c 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -1497,9 +1497,11 @@ struct inode *reiserfs_iget(struct super_block *s, const struct cpu_key *key) args.objectid = key->on_disk_key.k_objectid; args.dirid = key->on_disk_key.k_dir_id; + reiserfs_write_unlock(s); inode = iget5_locked(s, key->on_disk_key.k_objectid, reiserfs_find_actor, reiserfs_init_locked_inode, (void *)(&args)); + reiserfs_write_lock(s); if (!inode) return ERR_PTR(-ENOMEM); diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h index 070ba06..5977b72 100644 --- a/include/linux/hw_breakpoint.h +++ b/include/linux/hw_breakpoint.h @@ -44,7 +44,7 @@ static inline int hw_breakpoint_type(struct perf_event *bp) return bp->attr.bp_type; } -static inline int hw_breakpoint_len(struct perf_event *bp) +static inline unsigned long hw_breakpoint_len(struct perf_event *bp) { return bp->attr.bp_len; } diff --git a/include/linux/lmb.h b/include/linux/lmb.h index ef82b8f..f3d1433 100644 --- a/include/linux/lmb.h +++ b/include/linux/lmb.h @@ -42,6 +42,7 @@ extern void __init lmb_init(void); extern void __init lmb_analyze(void); extern long lmb_add(u64 base, u64 size); extern long lmb_remove(u64 base, u64 size); +extern long __init lmb_free(u64 base, u64 size); extern long __init lmb_reserve(u64 base, u64 size); extern u64 __init lmb_alloc_nid(u64 size, u64 align, int nid, u64 (*nid_range)(u64, u64, int *)); diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 8fa7187..a177698 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -211,11 +211,9 @@ struct perf_event_attr { __u32 wakeup_watermark; /* bytes before wakeup */ }; - __u32 __reserved_2; - - __u64 bp_addr; __u32 bp_type; - __u32 bp_len; + __u64 bp_addr; + __u64 bp_len; }; /* diff --git a/kernel/hw_breakpoint.c b/kernel/hw_breakpoint.c index 8a5c7d5..967e6614 100644 --- a/kernel/hw_breakpoint.c +++ b/kernel/hw_breakpoint.c @@ -360,8 +360,8 @@ EXPORT_SYMBOL_GPL(register_user_hw_breakpoint); int modify_user_hw_breakpoint(struct perf_event *bp, struct perf_event_attr *attr) { u64 old_addr = bp->attr.bp_addr; + u64 old_len = bp->attr.bp_len; int old_type = bp->attr.bp_type; - int old_len = bp->attr.bp_len; int err = 0; perf_event_disable(bp); diff --git a/kernel/perf_event.c b/kernel/perf_event.c index d27746b..2b19297 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -4580,7 +4580,7 @@ static int perf_copy_attr(struct perf_event_attr __user *uattr, if (attr->type >= PERF_TYPE_MAX) return -EINVAL; - if (attr->__reserved_1 || attr->__reserved_2) + if (attr->__reserved_1) return -EINVAL; if (attr->sample_type & ~(PERF_SAMPLE_MAX-1)) diff --git a/kernel/softirq.c b/kernel/softirq.c index a09502e..7c1a67e 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -500,22 +500,17 @@ EXPORT_SYMBOL(tasklet_kill); */ /* - * The trampoline is called when the hrtimer expires. If this is - * called from the hrtimer interrupt then we schedule the tasklet as - * the timer callback function expects to run in softirq context. If - * it's called in softirq context anyway (i.e. high resolution timers - * disabled) then the hrtimer callback is called right away. + * The trampoline is called when the hrtimer expires. It schedules a tasklet + * to run __tasklet_hrtimer_trampoline() which in turn will call the intended + * hrtimer callback, but from softirq context. */ static enum hrtimer_restart __hrtimer_tasklet_trampoline(struct hrtimer *timer) { struct tasklet_hrtimer *ttimer = container_of(timer, struct tasklet_hrtimer, timer); - if (hrtimer_is_hres_active(timer)) { - tasklet_hi_schedule(&ttimer->tasklet); - return HRTIMER_NORESTART; - } - return ttimer->function(timer); + tasklet_hi_schedule(&ttimer->tasklet); + return HRTIMER_NORESTART; } /* diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 6ea90c0..50b1b82 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -689,7 +689,7 @@ static int create_trace_probe(int argc, char **argv) return -EINVAL; } /* an address specified */ - ret = strict_strtoul(&argv[0][2], 0, (unsigned long *)&addr); + ret = strict_strtoul(&argv[1][0], 0, (unsigned long *)&addr); if (ret) { pr_info("Failed to parse address.\n"); return ret; diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index 678a512..f4bc9b2 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -157,6 +157,7 @@ stack_max_size_write(struct file *filp, const char __user *ubuf, unsigned long val, flags; char buf[64]; int ret; + int cpu; if (count >= sizeof(buf)) return -EINVAL; @@ -171,9 +172,20 @@ stack_max_size_write(struct file *filp, const char __user *ubuf, return ret; local_irq_save(flags); + + /* + * In case we trace inside arch_spin_lock() or after (NMI), + * we will cause circular lock, so we also need to increase + * the percpu trace_active here. + */ + cpu = smp_processor_id(); + per_cpu(trace_active, cpu)++; + arch_spin_lock(&max_stack_lock); *ptr = val; arch_spin_unlock(&max_stack_lock); + + per_cpu(trace_active, cpu)--; local_irq_restore(flags); return count; @@ -206,7 +218,13 @@ t_next(struct seq_file *m, void *v, loff_t *pos) static void *t_start(struct seq_file *m, loff_t *pos) { + int cpu; + local_irq_disable(); + + cpu = smp_processor_id(); + per_cpu(trace_active, cpu)++; + arch_spin_lock(&max_stack_lock); if (*pos == 0) @@ -217,7 +235,13 @@ static void *t_start(struct seq_file *m, loff_t *pos) static void t_stop(struct seq_file *m, void *p) { + int cpu; + arch_spin_unlock(&max_stack_lock); + + cpu = smp_processor_id(); + per_cpu(trace_active, cpu)--; + local_irq_enable(); } @@ -205,9 +205,8 @@ long lmb_add(u64 base, u64 size) } -long lmb_remove(u64 base, u64 size) +static long __lmb_remove(struct lmb_region *rgn, u64 base, u64 size) { - struct lmb_region *rgn = &(lmb.memory); u64 rgnbegin, rgnend; u64 end = base + size; int i; @@ -254,6 +253,16 @@ long lmb_remove(u64 base, u64 size) return lmb_add_region(rgn, end, rgnend - end); } +long lmb_remove(u64 base, u64 size) +{ + return __lmb_remove(&lmb.memory, base, size); +} + +long __init lmb_free(u64 base, u64 size) +{ + return __lmb_remove(&lmb.reserved, base, size); +} + long __init lmb_reserve(u64 base, u64 size) { struct lmb_region *_rgn = &lmb.reserved; diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 3600e9c..ff6da6f 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2350,7 +2350,7 @@ static void __devinit check_probe_mask(struct azx *chip, int dev) */ static struct snd_pci_quirk msi_black_list[] __devinitdata = { SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */ - SND_PCI_QUIRK(0x1043, 0x829c, "ASUS", 0), /* nvidia */ + SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */ {} }; diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index ddc584b..4b91d8c 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -705,7 +705,7 @@ static void print_mapped_keys(void) fprintf(stdout, "\t[w] toggle display weighted/count[E]r. \t(%d)\n", display_weighted ? 1 : 0); fprintf(stdout, - "\t[K] hide kernel_symbols symbols. \t(%s)\n", + "\t[K] hide kernel_symbols symbols. \t(%s)\n", hide_kernel_symbols ? "yes" : "no"); fprintf(stdout, "\t[U] hide user symbols. \t(%s)\n", diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index bb0fd6d..8a9e6ba 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -295,10 +295,10 @@ void thread__find_addr_location(struct thread *self, al->thread = self; al->addr = addr; - if (cpumode & PERF_RECORD_MISC_KERNEL) { + if (cpumode == PERF_RECORD_MISC_KERNEL) { al->level = 'k'; mg = &session->kmaps; - } else if (cpumode & PERF_RECORD_MISC_USER) + } else if (cpumode == PERF_RECORD_MISC_USER) al->level = '.'; else { al->level = 'H'; |
