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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux updates from Paul Moore:
"A relatively quiet period for SELinux, 11 patches with only two/three
having any substantive changes.
These noteworthy changes include another tweak to the NNP/nosuid
handling, per-file labeling for cgroups, and an object class fix for
AF_UNIX/SOCK_RAW sockets; the rest of the changes are minor tweaks or
administrative updates (Stephen's email update explains the file
explosion in the diffstat).
Everything passes the selinux-testsuite"
[ Also a couple of small patches from the security tree from Tetsuo
Handa for Tomoyo and LSM cleanup. The separation of security policy
updates wasn't all that clean - Linus ]
* tag 'selinux-pr-20170831' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: constify nf_hook_ops
selinux: allow per-file labeling for cgroupfs
lsm_audit: update my email address
selinux: update my email address
MAINTAINERS: update the NetLabel and Labeled Networking information
selinux: use GFP_NOWAIT in the AVC kmem_caches
selinux: Generalize support for NNP/nosuid SELinux domain transitions
selinux: genheaders should fail if too many permissions are defined
selinux: update the selinux info in MAINTAINERS
credits: update Paul Moore's info
selinux: Assign proper class to PF_UNIX/SOCK_RAW sockets
tomoyo: Update URLs in Documentation/admin-guide/LSM/tomoyo.rst
LSM: Remove security_task_create() hook.
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Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Moore <paul@paul-moore.com>
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Signed-off-by: Paul Moore <paul@paul-moore.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"This branch contains platform-related driver updates for ARM and ARM64.
Among them:
- Reset driver updates:
+ New API for dealing with arrays of resets
+ Make unimplemented {de,}assert return success on shared resets
+ MSDKv1 driver
+ Removal of obsolete Gemini reset driver
+ Misc updates for sunxi and Uniphier
- SoC drivers:
+ Platform SoC driver registration on Tegra
+ Shuffle of Qualcomm drivers into a submenu
+ Allwinner A64 support for SRAM
+ Renesas R-Car R3 support
+ Power domains for Rockchip RK3366
- Misc updates and smaller fixes for TEE and memory driver
subsystems"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
firmware: arm_scpi: fix endianness of dev_id in struct dev_pstate_set
soc/tegra: fuse: Add missing semi-colon
soc/tegra: Restrict SoC device registration to Tegra
drivers: soc: sunxi: add support for A64 and its SRAM C
drivers: soc: sunxi: add support for remapping func value to reg value
drivers: soc: sunxi: fix error processing on base address when claiming
dt-bindings: add binding for Allwinner A64 SRAM controller and SRAM C
bus: sunxi-rsb: Enable by default for ARM64
soc/tegra: Register SoC device
firmware: tegra: set drvdata earlier
memory: Convert to using %pOF instead of full_name
soc: Convert to using %pOF instead of full_name
bus: Convert to using %pOF instead of full_name
firmware: Convert to using %pOF instead of full_name
soc: mediatek: add SCPSYS power domain driver for MediaTek MT7622 SoC
soc: mediatek: add header files required for MT7622 SCPSYS dt-binding
soc: mediatek: reduce code duplication of scpsys_probe across all SoCs
dt-bindings: soc: update the binding document for SCPSYS on MediaTek MT7622 SoC
reset: uniphier: add analog amplifiers reset control
reset: uniphier: add video input subsystem reset control
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next/drivers
Pull "Reset controller changes for v4.14" from Philipp Zabel:
- constify zx2967 reset_ops
- add a convenience API to manage an array of resets
- let deassert report success and let assert report success for shared resets
if the reset controller driver does not implement (de)assert.
- add HSDKv1 reset driver
- remove Gemini reset controller, the driver is made obsolete
by a combined clock/reset driver in drivers/clk
- fix the total number of reset lines in the sunxi driver
- various uniphier updates and fixes:
- remove sLD3 SoC support
- simplify system reset register and bit definitions
- add audio systems, video input subsystem, and analog amplifiers reset
controls
* tag 'reset-for-4.14' of git://git.pengutronix.de/git/pza/linux:
reset: uniphier: add analog amplifiers reset control
reset: uniphier: add video input subsystem reset control
reset: uniphier: add audio systems reset control
reset: sunxi: fix number of reset lines
reset: uniphier: do not use per-SoC macro for system reset block
reset: uniphier: remove sLD3 SoC support
Revert "reset: Add a Gemini reset controller"
ARC: reset: introduce HSDKv1 reset driver
reset: make (de)assert report success for self-deasserting reset drivers
reset: Add APIs to manage array of resets
reset: zx2967: constify zx2967_reset_ops.
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The HSDK v1 periphery IPs can be reset by accessing some registers
from the CGU block.
The list of available reset lines is documented in the DT bindings.
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM/arm64 SoC platform updates from Olof Johansson: "This branch
contains platform updates for 32- and 64-bit ARM, including defconfig
updates to enable new options, drivers and platforms. There are also a
few fixes and cleanups for some existing vendors.
Some of the things worth highlighting here are:
- Enabling new crypt drivers on arm64 defconfig
- QCOM IPQ8074 clocks and pinctrl drivers on arm64 defconfig
- Debug support enabled for Renesas r8a7743
- Various config updates for Renesas platforms (sound, USB, other
drivers)
- Platform support (including SMP) for TI dra762
- OMAP cleanups: Move to use generic 8250 debug_ll, removal of stale
DMA code"
* tag 'armsoc-platforms' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits)
ARM: multi_v7_defconfig: make eSDHC driver built-in
arm64: defconfig: enable rockchip graphics
MAINTAINERS: Update Cavium ThunderX2 entry
ARM: config: aspeed: Add I2C, VUART, LPC Snoop
ARM: configs: aspeed: Update Aspeed G4 with VMSPLIT_2G
ARM: s3c24xx: Fix NAND ECC mode for mini2440 board
ARM: davinci_all_defconfig: enable tinydrm and ST7586
arm64: defconfig: Enable QCOM IPQ8074 clock and pinctrl
ARM: defconfig: tegra: Enable ChipIdea UDC driver
ARM: configs: Add Tegra I2S interfaces to multi_v7_defconfig
ARM: tegra: Add Tegra I2S interfaces to defconfig
ARM: tegra: Update default configuration for v4.13-rc1
MAINTAINERS: update ARM/ZTE entry
soc: versatile: remove unnecessary static in realview_soc_probe()
ARM: Convert to using %pOF instead of full_name
ARM: hisi: Fix typo in comment
ARM: multi_v7_defconfig: add CONFIG_BRCMSTB_THERMAL
arm64: defconfig: add CONFIG_BRCMSTB_THERMAL
arm64: defconfig: add recently added crypto drivers as modules
arm64: defconfig: enable CONFIG_UNIPHIER_WATCHDOG
...
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Add Robert Richter as the primary maintainer for this platform.
Signed-off-by: Jayachandran C <jnair@caviumnetworks.com>
Signed-off-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Update ARM/ZTE entry to include all those ZTE ZX platform drivers and
files that do not have a separate MAINTAINERS entry.
Since I have been contributing a lot for ZTE ZX SoCs support and
collecting platform patches for a few cycles, add myself as one
maintainer for the platform.
Cc: Jun Nie <jun.nie@linaro.org>
Cc: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Pull sparc updates from David Miller:
1) Use register window state adjustment instructions when available,
from Anthony Yznaga.
2) Add VCC console concentrator driver, from Jag Raman.
3) Add 16GB hugepage support, from Nitin Gupta.
4) Support cpu 'poke' hypercall, from Vijay Kumar.
5) Add M7/M8 optimized memcpy/memset/copy_{to,from}_user, from Babu
Moger.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next: (33 commits)
sparc64: Handle additional cases of no fault loads
sparc64: speed up etrap/rtrap on NG2 and later processors
sparc64: vcc: make ktermios const
sparc: leon: grpci1: constify of_device_id
sparc: leon: grpci2: constify of_device_id
sparc64: vcc: Check for IS_ERR() instead of NULL
sparc64: Cleanup hugepage table walk functions
sparc64: Add 16GB hugepage support
sparc64: Support huge PUD case in get_user_pages
sparc64: vcc: Add install & cleanup TTY operations
sparc64: vcc: Add break_ctl TTY operation
sparc64: vcc: Add chars_in_buffer TTY operation
sparc64: vcc: Add write & write_room TTY operations
sparc64: vcc: Add hangup TTY operation
sparc64: vcc: Add open & close TTY operations
sparc64: vcc: Enable LDC event processing engine
sparc64: vcc: Add RX & TX timer for delayed LDC operation
sparc64: vcc: Create sysfs attribute group
sparc64: vcc: Enable VCC port probe and removal
sparc64: vcc: TTY driver initialization and cleanup
...
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Enables the Virtual Console Concentrator (VCC) module
in linux kernel
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Liam Merwick <liam.merwick@oracle.com>
Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
"Slightly more changes than usual this time:
- KDump Kernel IOMMU take-over code for AMD IOMMU. The code now tries
to preserve the mappings of the kernel so that master aborts for
devices are avoided. Master aborts cause some devices to fail in
the kdump kernel, so this code makes the dump more likely to
succeed when AMD IOMMU is enabled.
- common flush queue implementation for IOVA code users. The code is
still optional, but AMD and Intel IOMMU drivers had their own
implementation which is now unified.
- finish support for iommu-groups. All drivers implement this feature
now so that IOMMU core code can rely on it.
- finish support for 'struct iommu_device' in iommu drivers. All
drivers now use the interface.
- new functions in the IOMMU-API for explicit IO/TLB flushing. This
will help to reduce the number of IO/TLB flushes when IOMMU drivers
support this interface.
- support for mt2712 in the Mediatek IOMMU driver
- new IOMMU driver for QCOM hardware
- system PM support for ARM-SMMU
- shutdown method for ARM-SMMU-v3
- some constification patches
- various other small improvements and fixes"
* tag 'iommu-updates-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (87 commits)
iommu/vt-d: Don't be too aggressive when clearing one context entry
iommu: Introduce Interface for IOMMU TLB Flushing
iommu/s390: Constify iommu_ops
iommu/vt-d: Avoid calling virt_to_phys() on null pointer
iommu/vt-d: IOMMU Page Request needs to check if address is canonical.
arm/tegra: Call bus_set_iommu() after iommu_device_register()
iommu/exynos: Constify iommu_ops
iommu/ipmmu-vmsa: Make ipmmu_gather_ops const
iommu/ipmmu-vmsa: Rereserving a free context before setting up a pagetable
iommu/amd: Rename a few flush functions
iommu/amd: Check if domain is NULL in get_domain() and return -EBUSY
iommu/mediatek: Fix a build warning of BIT(32) in ARM
iommu/mediatek: Fix a build fail of m4u_type
iommu: qcom: annotate PM functions as __maybe_unused
iommu/pamu: Fix PAMU boot crash
memory: mtk-smi: Degrade SMI init to module_init
iommu/mediatek: Enlarge the validate PA range for 4GB mode
iommu/mediatek: Disable iommu clock when system suspend
iommu/mediatek: Move pgtable allocation into domain_alloc
iommu/mediatek: Merge 2 M4U HWs into one iommu domain
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'arm/mediatek', 'arm/tegra', 'arm/qcom', 'arm/smmu', 'ppc/pamu', 'x86/vt-d', 'x86/amd', 's390' and 'core' into next
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Add maintainer entry for qcom_iommu.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Pull MTD updates from Boris Brezillon:
"General updates:
- Constify pci_device_id in various drivers
- Constify device_type
- Remove pad control code from the Gemini driver
- Use %pOF to print OF node full_name
- Various fixes in the physmap_of driver
- Remove unused vars in mtdswap
- Check devm_kzalloc() return value in the spear_smi driver
- Check clk_prepare_enable() return code in the st_spi_fsm driver
- Create per MTD device debugfs enties
NAND updates, from Boris Brezillon:
- Fix memory leaks in the core
- Remove unused NAND locking support
- Rename nand.h into rawnand.h (preparing support for spi NANDs)
- Use NAND_MAX_ID_LEN where appropriate
- Fix support for 20nm Hynix chips
- Fix support for Samsung and Hynix SLC NANDs
- Various cleanup, improvements and fixes in the qcom driver
- Fixes for bugs detected by various static code analysis tools
- Fix mxc ooblayout definition
- Add a new part_parsers to tmio and sharpsl platform data in order
to define a custom list of partition parsers
- Request the reset line in exclusive mode in the sunxi driver
- Fix a build error in the orion-nand driver when compiled for ARMv4
- Allow 64-bit mvebu platforms to select the PXA3XX driver
SPI NOR updates, from Cyrille Pitchen and Marek Vasut:
- add support to the JEDEC JESD216B specification (SFDP tables).
- add support to the Intel Denverton SPI flash controller.
- fix error recovery for Spansion/Cypress SPI NOR memories.
- fix 4-byte address management for the Aspeed SPI controller.
- add support to some Microchip SST26 memory parts
- remove unneeded pinctrl header Write a message for tag:"
* tag 'for-linus-20170904' of git://git.infradead.org/linux-mtd: (74 commits)
mtd: nand: complain loudly when chip->bits_per_cell is not correctly initialized
mtd: nand: make Samsung SLC NAND usable again
mtd: nand: tmio: Register partitions using the parsers
mfd: tmio: Add partition parsers platform data
mtd: nand: sharpsl: Register partitions using the parsers
mtd: nand: sharpsl: Add partition parsers platform data
mtd: nand: qcom: Support for IPQ8074 QPIC NAND controller
mtd: nand: qcom: support for IPQ4019 QPIC NAND controller
dt-bindings: qcom_nandc: IPQ8074 QPIC NAND documentation
dt-bindings: qcom_nandc: IPQ4019 QPIC NAND documentation
dt-bindings: qcom_nandc: fix the ipq806x device tree example
mtd: nand: qcom: support for different DEV_CMD register offsets
mtd: nand: qcom: QPIC data descriptors handling
mtd: nand: qcom: enable BAM or ADM mode
mtd: nand: qcom: erased codeword detection configuration
mtd: nand: qcom: support for read location registers
mtd: nand: qcom: support for passing flags in DMA helper functions
mtd: nand: qcom: add BAM DMA descriptor handling
mtd: nand: qcom: allocate BAM transaction
mtd: nand: qcom: DMA mapping support for register read buffer
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From Boris:
"
This pull request contains the following core changes:
* Fix memory leaks in the core
* Remove unused NAND locking support
* Rename nand.h into rawnand.h (preparing support for spi NANDs)
* Use NAND_MAX_ID_LEN where appropriate
* Fix support for 20nm Hynix chips
* Fix support for Samsung and Hynix SLC NANDs
and the following driver changes:
* Various cleanup, improvements and fixes in the qcom driver
* Fixes for bugs detected by various static code analysis tools
* Fix mxc ooblayout definition
* Add a new part_parsers to tmio and sharpsl platform data in order to
define a custom list of partition parsers
* Request the reset line in exclusive mode in the sunxi driver
* Fix a build error in the orion-nand driver when compiled for ARMv4
* Allow 64-bit mvebu platforms to select the PXA3XX driver
"
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We are planning to share more code between different NAND based
devices (SPI NAND, OneNAND and raw NANDs), but before doing that
we need to move the existing include/linux/mtd/nand.h file into
include/linux/mtd/rawnand.h so we can later create a nand.h header
containing all common structure and function prototypes.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Peter Pan <peterpandong@micron.com>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Acked-by: Wenyou Yang <wenyou.yang@microchip.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Han Xu <han.xu@nxp.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-By: Harvey Hunt <harveyhuntnexus@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Krzysztof Halasa <khalasa@piap.pl>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- new drivers for Spreadtrum I2C, Intel Cherry Trail Whiskey Cove SMBUS
- quite some driver updates
- cleanups for the i2c-mux subsystem
- some subsystem-wide constification
- further cleanup of include/linux/i2c
* 'i2c/for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (50 commits)
i2c: sprd: Fix undefined reference errors
i2c: nomadik: constify amba_id
i2c: versatile: Make i2c_algo_bit_data const
i2c: busses: make i2c_adapter_quirks const
i2c: busses: make i2c_adapter const
i2c: busses: make i2c_algorithm const
i2c: Add Spreadtrum I2C controller driver
dt-bindings: i2c: Add Spreadtrum I2C controller documentation
i2c-cht-wc: make cht_wc_i2c_adap_driver static
MAINTAINERS: Add entry for drivers/i2c/busses/i2c-cht-wc.c
i2c: aspeed: Retain delay/setup/hold values when configuring bus frequency
dt-bindings: i2c: eeprom: Document vendor to be used and deprecated ones
i2c: i801: Restore the presence state of P2SB PCI device after reading BAR
MAINTAINERS: drop entry for Blackfin I2C and Sonic's email
blackfin: merge the two TWI header files
i2c: davinci: Preserve return value of devm_clk_get
i2c: mediatek: Add i2c compatible for MediaTek MT7622
dt-bindings: i2c: Add MediaTek MT7622 i2c binding
dt-bindings: i2c: modify information formats
i2c: mux: i2c-arb-gpio-challenge: allow compiling w/o OF support
...
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Add an entry for drivers/i2c/busses/i2c-cht-wc.c and add myself as
maintainer of this driver.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Sonic's email address bounced, so remove it from MAINTAINERS. Since
there was no I2C/TWI maintenance activity for 3 years now, drop that
whole entry.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Merge more updates from Andrew Morton:
- most of the rest of MM
- a small number of misc things
- lib/ updates
- checkpatch
- autofs updates
- ipc/ updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (126 commits)
ipc: optimize semget/shmget/msgget for lots of keys
ipc/sem: play nicer with large nsops allocations
ipc/sem: drop sem_checkid helper
ipc: convert kern_ipc_perm.refcount from atomic_t to refcount_t
ipc: convert sem_undo_list.refcnt from atomic_t to refcount_t
ipc: convert ipc_namespace.count from atomic_t to refcount_t
kcov: support compat processes
sh: defconfig: cleanup from old Kconfig options
mn10300: defconfig: cleanup from old Kconfig options
m32r: defconfig: cleanup from old Kconfig options
drivers/pps: use surrounding "if PPS" to remove numerous dependency checks
drivers/pps: aesthetic tweaks to PPS-related content
cpumask: make cpumask_next() out-of-line
kmod: move #ifdef CONFIG_MODULES wrapper to Makefile
kmod: split off umh headers into its own file
MAINTAINERS: clarify kmod is just a kernel module loader
kmod: split out umh code into its own file
test_kmod: flip INT checks to be consistent
test_kmod: remove paranoid UINT_MAX check on uint range processing
vfat: deduplicate hex2bin()
...
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Collection of aesthetic adjustments to various PPS-related files,
directories and Documentation, some quite minor just for the sake of
consistency, including:
* Updated example of pps device tree node (courtesy Rodolfo G.)
* "PPS-API" -> "PPS API"
* "pps_source_info_s" -> "pps_source_info"
* "ktimer driver" -> "pps-ktimer driver"
* "ppstest /dev/pps0" -> "ppstest /dev/pps1" to match example
* Add missing PPS-related entries to MAINTAINERS file
* Other trivialities
Link: http://lkml.kernel.org/r/alpine.LFD.2.20.1708261048220.8106@localhost.localdomain
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In the future usermode helper users do not need to carry in all the of
kmod headers declarations.
Since kmod.h still includes umh.h this change has no functional changes,
each umh user can be cleaned up separately later and with time.
Link: http://lkml.kernel.org/r/20170810180618.22457-4-mcgrof@kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michal Marek <mmarek@suse.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Miroslav Benes <mbenes@suse.cz>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Daniel Mentz <danielmentz@google.com>
Cc: David Binderman <dcb314@hotmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This should make it clearer what the kmod code is now that
the umh code is split out separately.
Link: http://lkml.kernel.org/r/20170810180618.22457-3-mcgrof@kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michal Marek <mmarek@suse.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Miroslav Benes <mbenes@suse.cz>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Daniel Mentz <danielmentz@google.com>
Cc: David Binderman <dcb314@hotmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Patch series "kmod: few code cleanups to split out umh code"
The usermode helper has a provenance from the old usb code which first
required a usermode helper. Eventually this was shoved into kmod.c and
the kernel's modprobe calls was converted over eventually to share the
same code. Over time the list of usermode helpers in the kernel has grown
-- so kmod is just but one user of the API.
This series is a simple logical cleanup which acknowledges the code
evolution of the usermode helper and shoves the UMH API into its own
dedicated file. This way users of the API can later just include umh.h
instead of kmod.h.
Note despite the diff state the first patch really is just a code shove,
no functional changes are done there. I did use git format-patch -M to
generate the patch, but in the end the split was not enough for git to
consider it a rename hence the large diffstat.
I've put this through 0-day and it gives me their machine compilation
blessings with all tests as OK.
This patch (of 4):
There's a slew of usermode helper users and kmod is just one of them.
Split out the usermode helper code into its own file to keep the logic and
focus split up.
This change provides no functional changes.
Link: http://lkml.kernel.org/r/20170810180618.22457-2-mcgrof@kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michal Marek <mmarek@suse.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Miroslav Benes <mbenes@suse.cz>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Daniel Mentz <danielmentz@google.com>
Cc: David Binderman <dcb314@hotmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Patch series "HMM (Heterogeneous Memory Management)", v25.
Heterogeneous Memory Management (HMM) (description and justification)
Today device driver expose dedicated memory allocation API through their
device file, often relying on a combination of IOCTL and mmap calls.
The device can only access and use memory allocated through this API.
This effectively split the program address space into object allocated
for the device and useable by the device and other regular memory
(malloc, mmap of a file, share memory, â) only accessible by
CPU (or in a very limited way by a device by pinning memory).
Allowing different isolated component of a program to use a device thus
require duplication of the input data structure using device memory
allocator. This is reasonable for simple data structure (array, grid,
image, â) but this get extremely complex with advance data
structure (list, tree, graph, â) that rely on a web of memory
pointers. This is becoming a serious limitation on the kind of work
load that can be offloaded to device like GPU.
New industry standard like C++, OpenCL or CUDA are pushing to remove
this barrier. This require a shared address space between GPU device
and CPU so that GPU can access any memory of a process (while still
obeying memory protection like read only). This kind of feature is also
appearing in various other operating systems.
HMM is a set of helpers to facilitate several aspects of address space
sharing and device memory management. Unlike existing sharing mechanism
that rely on pining pages use by a device, HMM relies on mmu_notifier to
propagate CPU page table update to device page table.
Duplicating CPU page table is only one aspect necessary for efficiently
using device like GPU. GPU local memory have bandwidth in the TeraBytes/
second range but they are connected to main memory through a system bus
like PCIE that is limited to 32GigaBytes/second (PCIE 4.0 16x). Thus it
is necessary to allow migration of process memory from main system memory
to device memory. Issue is that on platform that only have PCIE the
device memory is not accessible by the CPU with the same properties as
main memory (cache coherency, atomic operations, ...).
To allow migration from main memory to device memory HMM provides a set of
helper to hotplug device memory as a new type of ZONE_DEVICE memory which
is un-addressable by CPU but still has struct page representing it. This
allow most of the core kernel logic that deals with a process memory to
stay oblivious of the peculiarity of device memory.
When page backing an address of a process is migrated to device memory the
CPU page table entry is set to a new specific swap entry. CPU access to
such address triggers a migration back to system memory, just like if the
page was swap on disk. HMM also blocks any one from pinning a ZONE_DEVICE
page so that it can always be migrated back to system memory if CPU access
it. Conversely HMM does not migrate to device memory any page that is pin
in system memory.
To allow efficient migration between device memory and main memory a new
migrate_vma() helpers is added with this patchset. It allows to leverage
device DMA engine to perform the copy operation.
This feature will be use by upstream driver like nouveau mlx5 and probably
other in the future (amdgpu is next suspect in line). We are actively
working on nouveau and mlx5 support. To test this patchset we also worked
with NVidia close source driver team, they have more resources than us to
test this kind of infrastructure and also a bigger and better userspace
eco-system with various real industry workload they can be use to test and
profile HMM.
The expected workload is a program builds a data set on the CPU (from
disk, from network, from sensors, â). Program uses GPU API (OpenCL,
CUDA, ...) to give hint on memory placement for the input data and also
for the output buffer. Program call GPU API to schedule a GPU job, this
happens using device driver specific ioctl. All this is hidden from
programmer point of view in case of C++ compiler that transparently
offload some part of a program to GPU. Program can keep doing other stuff
on the CPU while the GPU is crunching numbers.
It is expected that CPU will not access the same data set as the GPU while
GPU is working on it, but this is not mandatory. In fact we expect some
small memory object to be actively access by both GPU and CPU concurrently
as synchronization channel and/or for monitoring purposes. Such object
will stay in system memory and should not be bottlenecked by system bus
bandwidth (rare write and read access from both CPU and GPU).
As we are relying on device driver API, HMM does not introduce any new
syscall nor does it modify any existing ones. It does not change any
POSIX semantics or behaviors. For instance the child after a fork of a
process that is using HMM will not be impacted in anyway, nor is there any
data hazard between child COW or parent COW of memory that was migrated to
device prior to fork.
HMM assume a numbers of hardware features. Device must allow device page
table to be updated at any time (ie device job must be preemptable).
Device page table must provides memory protection such as read only.
Device must track write access (dirty bit). Device must have a minimum
granularity that match PAGE_SIZE (ie 4k).
Reviewer (just hint):
Patch 1 HMM documentation
Patch 2 introduce core infrastructure and definition of HMM, pretty
small patch and easy to review
Patch 3 introduce the mirror functionality of HMM, it relies on
mmu_notifier and thus someone familiar with that part would be
in better position to review
Patch 4 is an helper to snapshot CPU page table while synchronizing with
concurrent page table update. Understanding mmu_notifier makes
review easier.
Patch 5 is mostly a wrapper around handle_mm_fault()
Patch 6 add new add_pages() helper to avoid modifying each arch memory
hot plug function
Patch 7 add a new memory type for ZONE_DEVICE and also add all the logic
in various core mm to support this new type. Dan Williams and
any core mm contributor are best people to review each half of
this patchset
Patch 8 special case HMM ZONE_DEVICE pages inside put_page() Kirill and
Dan Williams are best person to review this
Patch 9 allow to uncharge a page from memory group without using the lru
list field of struct page (best reviewer: Johannes Weiner or
Vladimir Davydov or Michal Hocko)
Patch 10 Add support to uncharge ZONE_DEVICE page from a memory cgroup (best
reviewer: Johannes Weiner or Vladimir Davydov or Michal Hocko)
Patch 11 add helper to hotplug un-addressable device memory as new type
of ZONE_DEVICE memory (new type introducted in patch 3 of this
serie). This is boiler plate code around memory hotplug and it
also pick a free range of physical address for the device memory.
Note that the physical address do not point to anything (at least
as far as the kernel knows).
Patch 12 introduce a new hmm_device class as an helper for device driver
that want to expose multiple device memory under a common fake
device driver. This is usefull for multi-gpu configuration.
Anyone familiar with device driver infrastructure can review
this. Boiler plate code really.
Patch 13 add a new migrate mode. Any one familiar with page migration is
welcome to review.
Patch 14 introduce a new migration helper (migrate_vma()) that allow to
migrate a range of virtual address of a process using device DMA
engine to perform the copy. It is not limited to do copy from and
to device but can also do copy between any kind of source and
destination memory. Again anyone familiar with migration code
should be able to verify the logic.
Patch 15 optimize the new migrate_vma() by unmapping pages while we are
collecting them. This can be review by any mm folks.
Patch 16 add unaddressable memory migration to helper introduced in patch
7, this can be review by anyone familiar with migration code
Patch 17 add a feature that allow device to allocate non-present page on
the GPU when migrating a range of address to device memory. This
is an helper for device driver to avoid having to first allocate
system memory before migration to device memory
Patch 18 add a new kind of ZONE_DEVICE memory for cache coherent device
memory (CDM)
Patch 19 add an helper to hotplug CDM memory
Previous patchset posting :
v1 http://lwn.net/Articles/597289/
v2 https://lkml.org/lkml/2014/6/12/559
v3 https://lkml.org/lkml/2014/6/13/633
v4 https://lkml.org/lkml/2014/8/29/423
v5 https://lkml.org/lkml/2014/11/3/759
v6 http://lwn.net/Articles/619737/
v7 http://lwn.net/Articles/627316/
v8 https://lwn.net/Articles/645515/
v9 https://lwn.net/Articles/651553/
v10 https://lwn.net/Articles/654430/
v11 http://www.gossamer-threads.com/lists/linux/kernel/2286424
v12 http://www.kernelhub.org/?msg=972982&p=2
v13 https://lwn.net/Articles/706856/
v14 https://lkml.org/lkml/2016/12/8/344
v15 http://www.mail-archive.com/linux-kernel@xxxxxxxxxxxxxxx/msg1304107.html
v16 http://www.spinics.net/lists/linux-mm/msg119814.html
v17 https://lkml.org/lkml/2017/1/27/847
v18 https://lkml.org/lkml/2017/3/16/596
v19 https://lkml.org/lkml/2017/4/5/831
v20 https://lwn.net/Articles/720715/
v21 https://lkml.org/lkml/2017/4/24/747
v22 http://lkml.iu.edu/hypermail/linux/kernel/1705.2/05176.html
v23 https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1404788.html
v24 https://lwn.net/Articles/726691/
This patch (of 19):
This adds documentation for HMM (Heterogeneous Memory Management). It
presents the motivation behind it, the features necessary for it to be
useful and and gives an overview of how this is implemented.
Link: http://lkml.kernel.org/r/20170817000548.32038-2-jglisse@redhat.com
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: David Nellans <dnellans@nvidia.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Evgeny Baskakov <ebaskakov@nvidia.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Mark Hairgrove <mhairgrove@nvidia.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Sherry Cheung <SCheung@nvidia.com>
Cc: Subhash Gutti <sgutti@nvidia.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Bob Liu <liubo95@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
- add enhanced Downstream Port Containment support, which prints more
details about Root Port Programmed I/O errors (Dongdong Liu)
- add Layerscape ls1088a and ls2088a support (Hou Zhiqiang)
- add MediaTek MT2712 and MT7622 support (Ryder Lee)
- add MediaTek MT2712 and MT7622 MSI support (Honghui Zhang)
- add Qualcom IPQ8074 support (Varadarajan Narayanan)
- add R-Car r8a7743/5 device tree support (Biju Das)
- add Rockchip per-lane PHY support for better power management (Shawn
Lin)
- fix IRQ mapping for hot-added devices by replacing the
pci_fixup_irqs() boot-time design with a host bridge hook called at
probe-time (Lorenzo Pieralisi, Matthew Minter)
- fix race when enabling two devices that results in upstream bridge
not being enabled correctly (Srinath Mannam)
- fix pciehp power fault infinite loop (Keith Busch)
- fix SHPC bridge MSI hotplug events by enabling bus mastering
(Aleksandr Bezzubikov)
- fix a VFIO issue by correcting PCIe capability sizes (Alex
Williamson)
- fix an INTD issue on Xilinx and possibly other drivers by unifying
INTx IRQ domain support (Paul Burton)
- avoid IOMMU stalls by marking AMD Stoney GPU ATS as broken (Joerg
Roedel)
- allow APM X-Gene device assignment to guests by adding an ACS quirk
(Feng Kan)
- fix driver crashes by disabling Extended Tags on Broadcom HT2100
(Extended Tags support is required for PCIe Receivers but not
Requesters, and we now enable them by default when Requesters support
them) (Sinan Kaya)
- fix MSIs for devices that use phantom RIDs for DMA by assuming MSIs
use the real Requester ID (not a phantom RID) (Robin Murphy)
- prevent assignment of Intel VMD children to guests (which may be
supported eventually, but isn't yet) by not associating an IOMMU with
them (Jon Derrick)
- fix Intel VMD suspend/resume by releasing IRQs on suspend (Scott
Bauer)
- fix a Function-Level Reset issue with Intel 750 NVMe by waiting
longer (up to 60sec instead of 1sec) for device to become ready
(Sinan Kaya)
- fix a Function-Level Reset issue on iProc Stingray by working around
hardware defects in the CRS implementation (Oza Pawandeep)
- fix an issue with Intel NVMe P3700 after an iProc reset by adding a
delay during shutdown (Oza Pawandeep)
- fix a Microsoft Hyper-V lockdep issue by polling instead of blocking
in compose_msi_msg() (Stephen Hemminger)
- fix a wireless LAN driver timeout by clearing DesignWare MSI
interrupt status after it is handled, not before (Faiz Abbas)
- fix DesignWare ATU enable checking (Jisheng Zhang)
- reduce Layerscape dependencies on the bootloader by doing more
initialization in the driver (Hou Zhiqiang)
- improve Intel VMD performance allowing allocation of more IRQ vectors
than present CPUs (Keith Busch)
- improve endpoint framework support for initial DMA mask, different
BAR sizes, configurable page sizes, MSI, test driver, etc (Kishon
Vijay Abraham I, Stan Drozd)
- rework CRS support to add periodic messages while we poll during
enumeration and after Function-Level Reset and prepare for possible
other uses of CRS (Sinan Kaya)
- clean up Root Port AER handling by removing unnecessary code and
moving error handler methods to struct pcie_port_service_driver
(Christoph Hellwig)
- clean up error handling paths in various drivers (Bjorn Andersson,
Fabio Estevam, Gustavo A. R. Silva, Harunobu Kurokawa, Jeffy Chen,
Lorenzo Pieralisi, Sergei Shtylyov)
- clean up SR-IOV resource handling by disabling VF decoding before
updating the corresponding resource structs (Gavin Shan)
- clean up DesignWare-based drivers by unifying quirks to update Class
Code and Interrupt Pin and related handling of write-protected
registers (Hou Zhiqiang)
- clean up by adding empty generic pcibios_align_resource() and
pcibios_fixup_bus() and removing empty arch-specific implementations
(Palmer Dabbelt)
- request exclusive reset control for several drivers to allow cleanup
elsewhere (Philipp Zabel)
- constify various structures (Arvind Yadav, Bhumika Goyal)
- convert from full_name() to %pOF (Rob Herring)
- remove unused variables from iProc, HiSi, Altera, Keystone (Shawn
Lin)
* tag 'pci-v4.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (170 commits)
PCI: xgene: Clean up whitespace
PCI: xgene: Define XGENE_PCI_EXP_CAP and use generic PCI_EXP_RTCTL offset
PCI: xgene: Fix platform_get_irq() error handling
PCI: xilinx-nwl: Fix platform_get_irq() error handling
PCI: rockchip: Fix platform_get_irq() error handling
PCI: altera: Fix platform_get_irq() error handling
PCI: spear13xx: Fix platform_get_irq() error handling
PCI: artpec6: Fix platform_get_irq() error handling
PCI: armada8k: Fix platform_get_irq() error handling
PCI: dra7xx: Fix platform_get_irq() error handling
PCI: exynos: Fix platform_get_irq() error handling
PCI: iproc: Clean up whitespace
PCI: iproc: Rename PCI_EXP_CAP to IPROC_PCI_EXP_CAP
PCI: iproc: Add 500ms delay during device shutdown
PCI: Fix typos and whitespace errors
PCI: Remove unused "res" variable from pci_resource_io()
PCI: Correct kernel-doc of pci_vpd_srdt_size(), pci_vpd_srdt_tag()
PCI/AER: Reformat AER register definitions
iommu/vt-d: Prevent VMD child devices from being remapping targets
x86/PCI: Use is_vmd() rather than relying on the domain number
...
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* pci/trivial:
PCI: Fix typos and whitespace errors
PCI: Remove unused "res" variable from pci_resource_io()
PCI: Correct kernel-doc of pci_vpd_srdt_size(), pci_vpd_srdt_tag()
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Fix various typos and whitespace errors:
s/Synopsis/Synopsys/
s/Designware/DesignWare/
s/Keystine/Keystone/
s/gpio/GPIO/
s/pcie/PCIe/
s/phy/PHY/
s/confgiruation/configuration/
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Add Jonathan Derrick as VMD maintainer.
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Keith Busch <keith.busch@intel.com>
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Pull KVM updates from Radim Krčmář:
"First batch of KVM changes for 4.14
Common:
- improve heuristic for boosting preempted spinlocks by ignoring
VCPUs in user mode
ARM:
- fix for decoding external abort types from guests
- added support for migrating the active priority of interrupts when
running a GICv2 guest on a GICv3 host
- minor cleanup
PPC:
- expose storage keys to userspace
- merge kvm-ppc-fixes with a fix that missed 4.13 because of
vacations
- fixes
s390:
- merge of kvm/master to avoid conflicts with additional sthyi fixes
- wire up the no-dat enhancements in KVM
- multiple epoch facility (z14 feature)
- Configuration z/Architecture Mode
- more sthyi fixes
- gdb server range checking fix
- small code cleanups
x86:
- emulate Hyper-V TSC frequency MSRs
- add nested INVPCID
- emulate EPTP switching VMFUNC
- support Virtual GIF
- support 5 level page tables
- speedup nested VM exits by packing byte operations
- speedup MMIO by using hardware provided physical address
- a lot of fixes and cleanups, especially nested"
* tag 'kvm-4.14-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (67 commits)
KVM: arm/arm64: Support uaccess of GICC_APRn
KVM: arm/arm64: Extract GICv3 max APRn index calculation
KVM: arm/arm64: vITS: Drop its_ite->lpi field
KVM: arm/arm64: vgic: constify seq_operations and file_operations
KVM: arm/arm64: Fix guest external abort matching
KVM: PPC: Book3S HV: Fix memory leak in kvm_vm_ioctl_get_htab_fd
KVM: s390: vsie: cleanup mcck reinjection
KVM: s390: use WARN_ON_ONCE only for checking
KVM: s390: guestdbg: fix range check
KVM: PPC: Book3S HV: Report storage key support to userspace
KVM: PPC: Book3S HV: Fix case where HDEC is treated as 32-bit on POWER9
KVM: PPC: Book3S HV: Fix invalid use of register expression
KVM: PPC: Book3S HV: Fix H_REGISTER_VPA VPA size validation
KVM: PPC: Book3S HV: Fix setting of storage key in H_ENTER
KVM: PPC: e500mc: Fix a NULL dereference
KVM: PPC: e500: Fix some NULL dereferences on error
KVM: PPC: Book3S HV: Protect updates to spapr_tce_tables list
KVM: s390: we are always in czam mode
KVM: s390: expose no-DAT to guest and migration support
KVM: s390: sthyi: remove invalid guest write access
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
This fix was intended for 4.13, but didn't get in because both
maintainers were on vacation.
Paul Mackerras:
"It adds mutual exclusion between list_add_rcu and list_del_rcu calls
on the kvm->arch.spapr_tce_tables list. Without this, userspace could
potentially trigger corruption of the list and cause a host crash or
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Remove nonexistent files, allow less awkward expressions when
extracting arch-specific information, and only return relevant
information when using arch-specific expressions. Additionally
add include/trace/events/kvm.h, arch/*/include/uapi/asm/kvm*,
and arch/powerpc/kernel/kvm* to appropriate sections. The arch-
specific expressions are now:
/KVM/ -- All KVM
/\(KVM\)|\(KVM\/x86\)/ -- X86
/\(KVM\)|\(KVM\/x86\)|\(KVM\/amd\)/ -- X86 plus AMD
/\(KVM\)|\(KVM\/arm\)/ -- ARM
/\(KVM\)|\(KVM\/arm\)|\(KVM\/arm64\)/ -- ARM plus ARM64
/\(KVM\)|\(KVM\/powerpc\)/ -- POWERPC
/\(KVM\)|\(KVM\/s390\)/ -- S390
/\(KVM\)|\(KVM\/mips\)/ -- MIPS
Signed-off-by: Andrew Jones <drjones@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Pull SCSI updates from James Bottomley:
"This is mostly updates of the usual suspects: lpfc, qla2xxx, hisi_sas,
megaraid_sas, zfcp and a host of minor updates.
The major driver change here is the elimination of the block based
cciss driver in favour of the SCSI based hpsa driver (which now drives
all the legacy cases cciss used to be required for). Plus a reset
handler clean up and the redo of the SAS SMP handler to use bsg lib"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (279 commits)
scsi: scsi-mq: Always unprepare before requeuing a request
scsi: Show .retries and .jiffies_at_alloc in debugfs
scsi: Improve requeuing behavior
scsi: Call scsi_initialize_rq() for filesystem requests
scsi: qla2xxx: Reset the logo flag, after target re-login.
scsi: qla2xxx: Fix slow mem alloc behind lock
scsi: qla2xxx: Clear fc4f_nvme flag
scsi: qla2xxx: add missing includes for qla_isr
scsi: qla2xxx: Fix an integer overflow in sysfs code
scsi: aacraid: report -ENOMEM to upper layer from aac_convert_sgraw2()
scsi: aacraid: get rid of one level of indentation
scsi: aacraid: fix indentation errors
scsi: storvsc: fix memory leak on ring buffer busy
scsi: scsi_transport_sas: switch to bsg-lib for SMP passthrough
scsi: smartpqi: remove the smp_handler stub
scsi: hpsa: remove the smp_handler stub
scsi: bsg-lib: pass the release callback through bsg_setup_queue
scsi: Rework handling of scsi_device.vpd_pg8[03]
scsi: Rework the code for caching Vital Product Data (VPD)
scsi: rcu: Introduce rcu_swap_protected()
...
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The hpsa driver now has support for all boards the cciss driver
used to support, so this patch removes the cciss driver and
make hpsa an alias to cciss.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Acked-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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I have been working with Steffen on zFCP for quite a while now and we
decided adding me as a co-maintainer might be a good thing.
Acked-by: Steffen Maier <maier@linux.vnet.ibm.com>
Signed-off-by: Benjamin Block <bblock@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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As per internal decision, Joao Pinto will be maintainer for DWC UFS
driver.
Signed-off-by: Prabu Thangamuthu <prabut@synopsys.com>
Acked-by: Joao Pinto <Joao.Pinto@synopsys.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore:
"A small pull request for audit this time, only four patches and only
two with any real code changes.
Those two changes are the removal of a pointless SELinux AVC
initialization audit event and a fix to improve the audit timestamp
overhead.
The other two patches are comment cleanup and administrative updates,
nothing very exciting.
Everything passes our tests"
* tag 'audit-pr-20170907' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: update the function comments
selinux: remove AVC init audit log message
audit: update the audit info in MAINTAINERS
audit: Reduce overhead using a coarse clock
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull UDF, reiserfs, quota, fsnotify cleanups from Jan Kara:
"Several UDF, reiserfs, quota and fsnotify cleanups.
Note that there is also a patch updating MAINTAINERS entry for
notification subsystem to point to me as a maintainer since current
entries are stale"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fsnotify: make dnotify_fsnotify_ops const
isofs: Delete an unnecessary variable initialisation in isofs_read_inode()
isofs: Adjust four checks for null pointers
isofs: Delete an error message for a failed memory allocation in isofs_read_inode()
quota_v2: Delete an error message for a failed memory allocation in v2_read_file_info()
fs-udf: Delete an error message for a failed memory allocation in two functions
fs-udf: Improve six size determinations
fs-udf: Adjust two checks for null pointers
reiserfs: fix spelling mistake: "tranasction" -> "transaction"
MAINTAINERS: Update entries for notification subsystem
uapi/linux/quota.h: Do not include linux/errno.h
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Entries for inotify, dnotify, and fanotify in MAINTAINERS are stale.
Neither Eric nor Robert nor John care about these subsystems anymore.
These days it is mostly me or Amir who take care of bugs in these
subsystems. So update MAINTAINERS to reflect current state.
CC: Alexander Viro <viro@zeniv.linux.org.uk>
CC: Eric Paris <eparis@redhat.com>
CC: Robert Love <rlove@rlove.org>
CC: John McCutchan <john@johnmccutchan.com>
CC: Amir Goldstein <amir73il@gmail.com>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers
- RK805 Power Management IC (PMIC)
- ROHM BD9571MWV-M MFD Power Management IC (PMIC)
- Texas Instruments TPS68470 Power Management IC (PMIC) & LEDs
New Device Support:
- Add support for HiSilicon Hi6421v530 to hi6421-pmic-core
- Add support for X-Powers AXP806 to axp20x
- Add support for X-Powers AXP813 to axp20x
- Add support for Intel Sunrise Point LPSS to intel-lpss-pci
New Functionality:
- Amend API to provide register layout; atmel-smc
Fix-ups:
- DT re-work; omap, nokia
- Header file location change {I2C => MFD}; dm355evm_msp, tps65010
- Fix chip ID formatting issue(s); rk808
- Optionally register touchscreen devices; da9052-core
- Documentation improvements; twl-core
- Constification; rtsx_pcr, ab8500-core, da9055-i2c, da9052-spi
- Drop unnecessary static declaration; max8925-i2c
- Kconfig changes (missing deps and remove module support)
- Slim down oversized licence statement; hi6421-pmic-core
- Use managed resources (devm_*); lp87565
- Supply proper error checking/handling; t7l66xb
Bug Fixes:
- Fix counter duplication issue; da9052-core
- Fix potential NULL deference issue; max8998
- Leave SPI-NOR write-protection bit alone; lpc_ich
- Ensure device is put into reset during suspend; intel-lpss
- Correct register offset variable size; omap-usb-tll"
* tag 'mfd-next-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (61 commits)
mfd: intel_soc_pmic: Differentiate between Bay and Cherry Trail CRC variants
mfd: intel_soc_pmic: Export separate mfd-cell configs for BYT and CHT
dt-bindings: mfd: Add bindings for ZII RAVE devices
mfd: omap-usb-tll: Fix register offsets
mfd: da9052: Constify spi_device_id
mfd: intel-lpss: Put I2C and SPI controllers into reset state on suspend
mfd: da9055: Constify i2c_device_id
mfd: intel-lpss: Add missing PCI ID for Intel Sunrise Point LPSS devices
mfd: t7l66xb: Handle return value of clk_prepare_enable
mfd: Add ROHM BD9571MWV-M PMIC DT bindings
mfd: intel_soc_pmic_chtwc: Turn Kconfig option into a bool
mfd: lp87565: Convert to use devm_mfd_add_devices()
mfd: Add support for TPS68470 device
mfd: lpc_ich: Do not touch SPI-NOR write protection bit on Haswell/Broadwell
mfd: syscon: atmel-smc: Add helper to retrieve register layout
mfd: axp20x: Use correct platform device ID for many PEK
dt-bindings: mfd: axp20x: Introduce bindings for AXP813
mfd: axp20x: Add support for AXP813 PMIC
dt-bindings: mfd: axp20x: Add AXP806 to supported list of chips
mfd: Add ROHM BD9571MWV-M MFD PMIC driver
...
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Add the MFD part of the ROHM BD9571MWV-M PMIC driver and MAINTAINERS
entry. The MFD part only specifies the regmap bits for the PMIC and
binds the subdevs together.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
"Brazil's Independence Day pull request :-)
This is one of the biggest media pull requests, with 625 patches
affecting almost all parts of media (RC, DVB, V4L2, CEC, docs).
This contains:
- A lot of new drivers:
* DVB frontends: mxl5xx, stv0910, stv6111;
* camera flash: as3645a led driver;
* HDMI receiver: adv748X;
* camera sensor: Omnivision 6650 5M driver (ov6650);
* HDMI CEC: ao-cec meson driver;
* V4L2: Qualcom camss driver;
* Remote controller: gpio-ir-tx, pwm-ir-tx and zx-irdec drivers.
- The DDbridge DVB driver got a massive update, with makes it in sync
with modern hardware from that vendor;
- There's an important milestone on this series: the DVB
documentation was written in 2003, but only started to be updated
in 2007. It also used to contain several gaps from the time it was
kept out of tree, mentioning error codes and device nodes that
never existed upstream. On this series, it received a massive
update: all non-deprecated digital TV APIs are now in sync with the
current implementation;
- Some DVB APIs that aren't used by any upstream driver got removed;
- Other parts of the media documentation algo got updated, fixing
some bugs on its PDF output and making it compatible with Sphinx
version 1.6.
As the number of hacks required to build PDF output reduced, I hope
we'll have less troubles as newer versions of our documentation
toolchain are released (famous last words);
- As usual, lots of driver cleanups and improvements"
* tag 'media/v4.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (624 commits)
media: leds: as3645a: add V4L2_FLASH_LED_CLASS dependency
media: get rid of removed DMX_GET_CAPS and DMX_SET_SOURCE leftovers
media: Revert "[media] v4l: async: make v4l2 coexist with devicetree nodes in a dt overlay"
media: staging: atomisp: sh_css_calloc shall return a pointer to the allocated space
media: Revert "[media] lirc_dev: remove superfluous get/put_device() calls"
media: add qcom_camss.rst to v4l-drivers rst file
media: dvb headers: make checkpatch happier
media: dvb uapi: move frontend legacy API to another part of the book
media: pixfmt-srggb12p.rst: better format the table for PDF output
media: docs-rst: media: Don't use \small for V4L2_PIX_FMT_SRGGB10 documentation
media: index.rst: don't write "Contents:" on PDF output
media: pixfmt*.rst: replace a two dots by a comma
media: vidioc-g-fmt.rst: adjust table format
media: vivid.rst: add a blank line to correct ReST format
media: v4l2 uapi book: get rid of driver programming's chapter
media: format.rst: use the right markup for important notes
media: docs-rst: cardlists: change their format to flat-tables
media: em28xx-cardlist.rst: update to reflect last changes
media: v4l2-event.rst: adjust table to fit on PDF output
media: docs: don't show ToC for each part on PDF output
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Add a LED flash class driver for the as3654a flash controller. A V4L2 flash
driver for it already exists (drivers/media/i2c/as3645a.c), and this driver
is based on that.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add an entry for Qualcomm Camera subsystem driver.
Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This is new driver which uses pwm, so it is more power-efficient
than the bit banging gpio-ir-tx driver.
Signed-off-by: Sean Young <sean@mess.org>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Tested-by: Matthias Reichl <hias@horus.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This is a simple bit-banging GPIO IR TX driver.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Matthias Reichl <hias@horus.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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I work for MediaTek on maintaining the MediaTek CIR driver
for the existing SoCs and adding support for the following
SoCs.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add MAINTAINER's entry for this new driver.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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