Add support for tracepoints to the following events: chunk allocation,
chunk free, area allocation, area free, and area allocation failure.
This should let us replay percpu memory requests and evaluate
corresponding decisions.
Signed-off-by: Dennis Zhou <dennisz@fb.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
There is limited visibility into the use of percpu memory leaving us
unable to reason about correctness of parameters and overall use of
percpu memory. These counters and statistics aim to help understand
basic statistics about percpu memory such as number of allocations over
the lifetime, allocation sizes, and fragmentation.
New Config: PERCPU_STATS
Signed-off-by: Dennis Zhou <dennisz@fb.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Migrates pcpu_chunk definition and a few percpu static variables to an
internal header file from mm/percpu.c. These will be used with debugfs
to expose statistics about percpu memory improving visibility regarding
allocations and fragmentation.
Signed-off-by: Dennis Zhou <dennisz@fb.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Add a missing lockdep_assert_held for pcpu_lock to improve consistency
and safety throughout mm/percpu.c.
Signed-off-by: Dennis Zhou <dennisz@fb.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Moving pcpu_base_addr to this section comes from PaX where it's part of
KERNEXEC. This extends it to the rest of the globals only written by the
init code.
Signed-off-by: Daniel Micay <danielmicay@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Pull IDE updates from David Miller:
"Two small cleanups in the IDE layer"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide:
ide: don't call memcpy with the same source and destination
ide: use setup_timer
Pull sparc updates from David Miller:
"sparc changes, including a bug fix for handling exceptions during
bzero on some sparc64 cpus"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: fix fault handling in NGbzero.S and GENbzero.S
sparc: use memdup_user_nul in sun4m LED driver
sparc: Remove redundant tests in boot_flags_init().
Pull networking fixes from David Miller:
1) Fix multiqueue in stmmac driver on PCI, from Andy Shevchenko.
2) cdc_ncm doesn't actually fully zero out the padding area is
allocates on TX, from Jim Baxter.
3) Don't leak map addresses in BPF verifier, from Daniel Borkmann.
4) If we randomize TCP timestamps, we have to do it everywhere
including SYN cookies. From Eric Dumazet.
5) Fix "ethtool -S" crash in aquantia driver, from Pavel Belous.
6) Fix allocation size for ntp filter bitmap in bnxt_en driver, from
Dan Carpenter.
7) Add missing memory allocation return value check to DSA loop driver,
from Christophe Jaillet.
8) Fix XDP leak on driver unload in qed driver, from Suddarsana Reddy
Kalluru.
9) Don't inherit MC list from parent inet connection sockets, another
syzkaller spotted gem. Fix from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (43 commits)
dccp/tcp: do not inherit mc_list from parent
qede: Split PF/VF ndos.
qed: Correct doorbell configuration for !4Kb pages
qed: Tell QM the number of tasks
qed: Fix VF removal sequence
qede: Fix XDP memory leak on unload
net/mlx4_core: Reduce harmless SRIOV error message to debug level
net/mlx4_en: Avoid adding steering rules with invalid ring
net/mlx4_en: Change the error print to debug print
drivers: net: wimax: i2400m: i2400m-usb: Use time_after for time comparison
DECnet: Use container_of() for embedded struct
Revert "ipv4: restore rt->fi for reference counting"
net: mdio-mux: bcm-iproc: call mdiobus_free() in error path
net: ethernet: ti: cpsw: adjust cpsw fifos depth for fullduplex flow control
ipv6: reorder ip6_route_dev_notifier after ipv6_dev_notf
net: cdc_ncm: Fix TX zero padding
stmmac: pci: split out common_default_data() helper
stmmac: pci: RX queue routing configuration
stmmac: pci: TX and RX queue priority configuration
stmmac: pci: set default number of rx and tx queues
...
This time again a smaller update consisting of:
- support for TI DA8xx dma controller and updates to the cppi driver
- updates on bunch of drivers like xilinx, pl08x, stm32-dma, mv_xor, ioat,
dmatest
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Merge tag 'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"This time again a smaller update consisting of:
- support for TI DA8xx dma controller and updates to the cppi driver
- updates on bunch of drivers like xilinx, pl08x, stm32-dma, mv_xor,
ioat, dmatest"
* tag 'dmaengine-4.12-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (35 commits)
dmaengine: pl08x: remove lock documentation
dmaengine: pl08x: fix pl08x_dma_chan_state documentation
dmaengine: pl08x: Use the BIT() macro consistently
dmaengine: pl080: Fix some missing kerneldoc
dmaengine: pl080: Cut some unused defines
dmaengine: dmatest: Add check for supported buffer count (sg_buffers)
dmaengine: dmatest: Select DMA_ENGINE_RAID as its needed for the slave_sg test
dmaengine: virt-dma: Convert to use list_for_each_entry_safe()
dma-debug: use offset_in_page() macro
dmaengine: mv_xor: use offset_in_page() macro
dmaengine: dmatest: use offset_in_page() macro
dmaengine: sun4i: fix invalid argument
dmaengine: ioat: use setup_timer
dmaengine: cppi41: Fix an Oops happening in cppi41_dma_probe()
dmaengine: pl330: remove pdata based initialization
dmaengine: cppi: fix build error due to bad variable
dmaengine: imx-sdma: add 1ms delay to ensure SDMA channel is stopped
dmaengine: cppi41: use managed functions devm_*()
dmaengine: cppi41: fix cppi41_dma_tx_status() logic
dmaengine: qcom_hidma: pause the channel on shutdown
...
Adds a new driver for the PWM controller found on MediaTek SoCs and
extends support for the Atmel PWM controller to include the SAMA5D2.
Some existing drivers have been migrated to the atomic API and a few
others see miscellaneous improvements.
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Merge tag 'pwm/for-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"Adds a new driver for the PWM controller found on MediaTek SoCs and
extends support for the Atmel PWM controller to include the SAMA5D2.
Some existing drivers have been migrated to the atomic API and a few
others see miscellaneous improvements"
* tag 'pwm/for-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: tegra: Read PWM clock source rate in driver init
pwm: pca9685: Fix GPIO-only operation
pwm: mediatek: Don't explicitly set .owner
pwm: tegra: Avoid potential overflow for short periods
pwm: tegra: Add support to configure pin state in suspends/resume
pwm: tegra: Add DT binding details to configure pin in suspends/resume
pwm: tegra: Increase precision in PWM rate calculation
pwm: tegra: Use DIV_ROUND_CLOSEST_ULL() instead of local implementation
pwm: Add MediaTek PWM support
dt-bindings: pwm: Add MediaTek PWM bindings
pwm: atmel: Enable PWM on sama5d2
pwm: atmel: Switch to atomic PWM
pwm: atmel-hlcdc: Implement the suspend/resume hooks
pwm: atmel-hlcdc: Convert to the atomic PWM API
This includes:
* Some code optimizations for the Intel VT-d driver
* Code to switch off a previously enabled Intel IOMMU
* Support for 'struct iommu_device' for OMAP, Rockchip and
Mediatek IOMMUs
* Some header optimizations for IOMMU core code headers and a
few fixes that became necessary in other parts of the kernel
because of that
* ACPI/IORT updates and fixes
* Some Exynos IOMMU optimizations
* Code updates for the IOMMU dma-api code to bring it closer to
use per-cpu iova caches
* New command-line option to set default domain type allocated
by the iommu core code
* Another command line option to allow the Intel IOMMU switched
off in a tboot environment
* ARM/SMMU: TLB sync optimisations for SMMUv2, Support for using
an IDENTITY domain in conjunction with DMA ops, Support for
SMR masking, Support for 16-bit ASIDs (was previously broken)
* Various other small fixes and improvements
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Merge tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
- code optimizations for the Intel VT-d driver
- ability to switch off a previously enabled Intel IOMMU
- support for 'struct iommu_device' for OMAP, Rockchip and Mediatek
IOMMUs
- header optimizations for IOMMU core code headers and a few fixes that
became necessary in other parts of the kernel because of that
- ACPI/IORT updates and fixes
- Exynos IOMMU optimizations
- updates for the IOMMU dma-api code to bring it closer to use per-cpu
iova caches
- new command-line option to set default domain type allocated by the
iommu core code
- another command line option to allow the Intel IOMMU switched off in
a tboot environment
- ARM/SMMU: TLB sync optimisations for SMMUv2, Support for using an
IDENTITY domain in conjunction with DMA ops, Support for SMR masking,
Support for 16-bit ASIDs (was previously broken)
- various other small fixes and improvements
* tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (63 commits)
soc/qbman: Move dma-mapping.h include to qman_priv.h
soc/qbman: Fix implicit header dependency now causing build fails
iommu: Remove trace-events include from iommu.h
iommu: Remove pci.h include from trace/events/iommu.h
arm: dma-mapping: Don't override dma_ops in arch_setup_dma_ops()
ACPI/IORT: Fix CONFIG_IOMMU_API dependency
iommu/vt-d: Don't print the failure message when booting non-kdump kernel
iommu: Move report_iommu_fault() to iommu.c
iommu: Include device.h in iommu.h
x86, iommu/vt-d: Add an option to disable Intel IOMMU force on
iommu/arm-smmu: Return IOVA in iova_to_phys when SMMU is bypassed
iommu/arm-smmu: Correct sid to mask
iommu/amd: Fix incorrect error handling in amd_iommu_bind_pasid()
iommu: Make iommu_bus_notifier return NOTIFY_DONE rather than error code
omap3isp: Remove iommu_group related code
iommu/omap: Add iommu-group support
iommu/omap: Make use of 'struct iommu_device'
iommu/omap: Store iommu_dev pointer in arch_data
iommu/omap: Move data structures to omap-iommu.h
iommu/omap: Drop legacy-style device support
...
syzkaller found a way to trigger double frees from ip_mc_drop_socket()
It turns out that leave a copy of parent mc_list at accept() time,
which is very bad.
Very similar to commit 8b485ce698 ("tcp: do not inherit
fastopen_req from parent")
Initial report from Pray3r, completed by Andrey one.
Thanks a lot to them !
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Pray3r <pray3r.z@gmail.com>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When any of the functions contained in NGbzero.S and GENbzero.S
vector through *bzero_from_clear_user, we may end up taking a
fault when executing one of the store alternate address space
instructions. If this happens, the exception handler does not
restore the %asi register.
This commit fixes the issue by introducing a new exception
handler that ensures the %asi register is restored when
a fault is handled.
Orabug: 25577560
Signed-off-by: Dave Aldridge <david.j.aldridge@oracle.com>
Reviewed-by: Rob Gardner <rob.gardner@oracle.com>
Reviewed-by: Babu Moger <babu.moger@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use memdup_user_nul() helper instead of open-coding to simplify the code.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- AXS10x platform clk updates for I2S, PGU
- Adding region based cache flush operation for ARCv2 cores
- Enforcing PAE40 dependency on HIGHMEM
- ptrace support for additional regs in ARCv2 cores
- Fix build failure in linux-next dut to a header include ordering change
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Merge tag 'arc-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
- AXS10x platform clk updates for I2S, PGU
- add region based cache flush operation for ARCv2 cores
- enforce PAE40 dependency on HIGHMEM
- ptrace support for additional regs in ARCv2 cores
- fix build failure in linux-next dut to a header include ordering
change
* tag 'arc-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
Revert "ARCv2: Allow enabling PAE40 w/o HIGHMEM"
ARC: mm: fix build failure in linux-next for UP builds
ARCv2: ptrace: provide regset for accumulator/r30 regs
elf: Add ARCv2 specific core note section
ARCv2: mm: micro-optimize region flush generated code
ARCv2: mm: Merge 2 updates to DC_CTRL for region flush
ARCv2: mm: Implement cache region flush operations
ARC: mm: Move full_page computation into cache version agnostic wrapper
arc: axs10x: Fix ARC PGU default clock frequency
arc: axs10x: Add DT bindings for I2S audio playback
Device-tree updates for arm64 platforms. Just as with 32-bit, a bunch of smaller
changes, but also some new platforms that are worth mentioning:
* Rockchip RK3399 platforms for Chromebooks, including Samsung Chromebook
Plus (Kevin)
* Orange Pi PC2 (Allwinner H5)
* Freescale LS2088A and LS1088A SoCs
* Expanded support for Nvidia Tegra186 (and Jetson TX2)
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Merge tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM 64-bit DT updates from Olof Johansson:
"Device-tree updates for arm64 platforms. Just as with 32-bit, a bunch
of smaller changes, but also some new platforms that are worth
mentioning:
- Rockchip RK3399 platforms for Chromebooks, including Samsung
Chromebook Plus (Kevin)
- Orange Pi PC2 (Allwinner H5)
- Freescale LS2088A and LS1088A SoCs
- Expanded support for Nvidia Tegra186 (and Jetson TX2)"
* tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (180 commits)
arm64: dts: Add basic DT to support Spreadtrum's SP9860G
arm64: dts: exynos: Use - instead of @ for DT OPP entries
arm64: dts: exynos: Add support for s6e3hf2 panel device on TM2e board
arm64: dts: juno: add information about L1 and L2 caches
arm64: dts: juno: fix few unit address format warnings
arm64: marvell: dts: enable the crypto engine on the Armada 8040 DB
arm64: marvell: dts: enable the crypto engine on the Armada 7040 DB
arm64: marvell: dts: add crypto engine description for 7k/8k
arm64: dts: marvell: add sdhci support for Armada 7K/8K
arm64: dts: marvell: add eMMC support for Armada 37xx
arm64: dts: hisi: add pinctrl dtsi file for HiKey960 development board
arm64: dts: hisi: add drive strength levels of the pins for Hi3660 SoC
arm64: dts: hisi: enable the NIC and SAS for the hip07-d05 board
arm64: dts: hisi: add SAS nodes for the hip07 SoC
arm64: dts: hisi: add RoCE nodes for the hip07 SoC
arm64: dts: hisi: add network related nodes for the hip07 SoC
arm64: dts: hisi: add mbigen nodes for the hip07 SoC
arm64: dts: rockchip: fix the memory size of PX5 Evaluation board
arm64: dts: hisilicon: add dts files for hi3798cv200-poplar board
dt-bindings: arm: hisilicon: add bindings for hi3798cv200 SoC and Poplar board
...
Changes to platform code for 64-bit ARM platforms.
Most of these are small changes to the one defconfig we use on arm64
(no per-platform configs there), to enable new drivers.
There are also a few other changes. Broadcom sold off their 'Vulcan'
design to Cavium, where it is now called ThunderX2. While we normally
don't rename stuff based on marketing's whims, it seemed appropriate to
bring in renames on a few things such as MAINTAINERS, etc.
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Merge tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC 64-bit changes from Olof Johansson:
"Changes to platform code for 64-bit ARM platforms.
Most of these are small changes to the one defconfig we use on arm64
(no per-platform configs there), to enable new drivers.
There are also a few other changes. Broadcom sold off their 'Vulcan'
design to Cavium, where it is now called ThunderX2. While we normally
don't rename stuff based on marketing's whims, it seemed appropriate
to bring in renames on a few things such as MAINTAINERS, etc"
* tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: sunxi: always enable reset controller
arm64: defconfig: enable the Safexcel crypto engine as a module
arm64: configs: enable SDHCI driver for Xenon
MAINTAINERS: Broadcom Vulcan is now Cavium ThunderX2
arm64: defconfig: add Allwinner USB PHY
arm64: defconfig: enable MVPP2
arm64: defconfig: Enable video, DRM and LPASS drivers for Exynos5433 and Exynos7
arm64: exynos: Enable Exynos PMU and PM domains drivers
arm64: only select PINCTRL for Allwinner platforms
arm64: set CONFIG_MMC_BCM2835=y in defconfig
arm64: defconfig: enable I2C_PXA
arm64: defconfig: enable MVNETA
ARM64: defconfig: enable the leds-pwm driver and default-on trigger
arm64: defconfig: Enable SH Mobile I2C controller
Driver updates for ARM SoCs.
* Reset subsystem, merged through arm-soc by tradition:
- Make bool drivers explicitly non-modular
- New support for i.MX7 and Arria10 reset controllers
* PATA driver for Palmchip BK371 (acked by Tejun)
* Power domain drivers for i.MX (GPC, GPCv2)
- Moved out of mach-imx for GPC
- Bunch of tweaks, fixes, etc
* PMC support for Tegra186
* SoC detection support for Renesas RZ/G1H and RZ/G1N
* Move Tegra flow controller driver from mach directory to drivers/soc
- (Power management / CPU power driver)
* Misc smaller tweaks for other platforms
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Driver updates for ARM SoCs:
Reset subsystem, merged through arm-soc by tradition:
- Make bool drivers explicitly non-modular
- New support for i.MX7 and Arria10 reset controllers
PATA driver for Palmchip BK371 (acked by Tejun)
Power domain drivers for i.MX (GPC, GPCv2)
- Moved out of mach-imx for GPC
- Bunch of tweaks, fixes, etc
PMC support for Tegra186
SoC detection support for Renesas RZ/G1H and RZ/G1N
Move Tegra flow controller driver from mach directory to drivers/soc
- (Power management / CPU power driver)
Misc smaller tweaks for other platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
soc: pm-domain: Fix the mangled urls
soc: renesas: rcar-sysc: Add support for R-Car H3 ES2.0
soc: renesas: rcar-sysc: Add support for fixing up power area tables
soc: renesas: Register SoC device early
soc: imx: gpc: add workaround for i.MX6QP to the GPC PD driver
dt-bindings: imx-gpc: add i.MX6 QuadPlus compatible
soc: imx: gpc: add defines for domain index
soc: imx: Add GPCv2 power gating driver
dt-bindings: Add GPCv2 power gating driver
ARM/clk: move the ICST library to drivers/clk
ARM: plat-versatile: remove stale clock header
ARM: keystone: Drop PM domain support for k2g
soc: ti: Add ti_sci_pm_domains driver
dt-bindings: Add TI SCI PM Domains
PM / Domains: Do not check if simple providers have phandle cells
PM / Domains: Add generic data pointer to genpd data struct
soc/tegra: Add initial flowctrl support for Tegra132/210
soc/tegra: flowctrl: Add basic platform driver
soc/tegra: Move Tegra flowctrl driver
ARM: tegra: Remove unnecessary inclusion of flowctrl header
...
We've traditionally kept defconfig updates in a separate branch, often to
encourage submaintainers to handle those patches separately to avoid conflicts
on the shared files. The amount of changes seem to be decreasing though, so
we might rethink how we handle this going forward.
There really isn't much to write about here. The bulk of changes here
are enabling drivers for whatever platforms the hardware is found on
(and multi-configs).
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Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM: SoC defconfig updates from Olof Johansson:
"We've traditionally kept defconfig updates in a separate branch, often
to encourage submaintainers to handle those patches separately to
avoid conflicts on the shared files. The amount of changes seem to be
decreasing though, so we might rethink how we handle this going
forward.
There really isn't much to write about here. The bulk of changes here
are enabling drivers for whatever platforms the hardware is found on
(and multi-configs)"
* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (30 commits)
multi_v7_defconfig: make Rockchip usb2-phy built-in
ARM: omap2plus_defconfig: Enable droid 4 devices
ARM: omap2plus_defconfig: Add QMI, ACM and PPP as loadable modules
ARM: configs: aspeed: Add new drivers
ARM: configs: aspeed: Update configs for BMC systems
ARM: omap2plus_defconfig: Enable TI Ethernet PHY
ARM: configs: Add new config fragment to change RAM start point
ARM: configs: stm32: Add I2C support
multi_v7_defconfig: make Rockchip DRM drivers built-in
ARM: configs: stm32: Set CPU_V7M_NUM_IRQ to max value
ARM: imx_v6_v7_defconfig: Select SMSC_PHY
ARM: davinci_all_defconfig: convert to use libata PATA
ARM: qcom_defconfig: Enable Qualcomm remoteproc and related drivers
ARM: omap2plus_defconfig: enable ahci-dm816 module
arm: set CONFIG_MMC_BCM2835=y in bcm2835_defconfig and multi_v7_defconfig
ARM: bcm2835: Enable missing CMA settings for VC4 driver
ARM: socfpga: updates for socfpga_defconfig
ARM: imx_v6_v7_defconfig: Select hid-multitouchdriver
ARM: imx_v6_v7_defconfig: Select max11801_ts touchscreen driver
ARM: exynos_defconfig: Increase CONFIG_CMA_SIZE_MBYTES to 96
...
Device-tree continues to see lots of updates. The majority of patches
here are smaller changes for new hardware on existing platforms, and
there are a few larger changes worth pointing out.
Major new platforms:
- Gemini has been ported to DT, so a handful of "new" platforms moved over
from board files
- Rockchip RK3288 support for Tinkerboard and Phytec phyCORE-RK3288 SoM and RDK
- A bunch of embedded platforms, several Linksys platforms, Synology DS116,
- Motorola Droid4 (really old OMAP-based phone) support is added.
Some refactorings, i.e. Allwinner H3/H5 support is commonalized.
And lots of smaller changes, cleanups, etc. See shortlog for more description
We're adding ability to cross-include DT files between arm and arm64,
by creating appropriate links in the dt-include directory, and using arm/
and arm64/ as include prefixes. This will avoid other local hacks such as
per-file links between the two arch trees (this broke for external mirroring
of DT contents). Now they can just provide their own appropriate dt-include
hierarcy per platform.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM Device-tree updates from Olof Johansson:
"Device-tree continues to see lots of updates. The majority of patches
here are smaller changes for new hardware on existing platforms, and
there are a few larger changes worth pointing out.
Major new platforms:
- Gemini has been ported to DT, so a handful of "new" platforms moved
over from board files
- Rockchip RK3288 support for Tinkerboard and Phytec phyCORE-RK3288
SoM and RDK
- A bunch of embedded platforms, several Linksys platforms, Synology
DS116,
- Motorola Droid4 (really old OMAP-based phone) support is added.
Some refactorings, i.e. Allwinner H3/H5 support is commonalized.
And lots of smaller changes, cleanups, etc. See shortlog for more
description
We're adding ability to cross-include DT files between arm and arm64,
by creating appropriate links in the dt-include directory, and using
arm/ and arm64/ as include prefixes. This will avoid other local hacks
such as per-file links between the two arch trees (this broke for
external mirroring of DT contents). Now they can just provide their
own appropriate dt-include hierarcy per platform"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (349 commits)
ARM: dts: exynos: Use - instead of @ for DT OPP entries
arm: spear6xx: add DT description of the ADC on SPEAr600
arm: spear6xx: remove unneeded pinctrl properties in spear600-evb
arm: spear6xx: switch spear600-evb to the new flash partition DT binding
arm: spear6xx: fix spaces in spear600-evb.dts
arm: spear6xx: use node labels in spear600-evb.dts
arm: spear6xx: add labels to various nodes in spear600.dtsi
ARM: dts: vexpress: fix few unit address format warnings
ARM: dts: at91: sama5d3_xplained: not all ADC channels are available
ARM: dts: at91: sama5d3_xplained: fix ADC vref
ARM: dts: at91: add envelope detector mux to the Axentia TSE-850
ARM: dts: armada-38x: label USB and SATA nodes
ARM: dts: imx6q-utilite-pro: add hpd gpio
ARM: dts: imx6qp-sabresd: Set reg_arm regulator supply
ARM: dts: imx6qdl-sabresd: Set LDO regulator supply
ARM: dts: imx: add Gateworks Ventana GW5903 support
ARM: dts: i.MX25: add AIPS control registers
ARM: dts: imx7-colibri: add Carrier Board 3.3V/5V regulators
ARM: dts: imx7-colibri: remove 1.8V fixed regulator
ARM: dts: imx7-colibri: allow to disable Ethernet rail
...
SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
for a few platforms:
* Gemini:
- Legacy platform that Linus Walleij has converted to multiplatform
and DT, so a handful of various tweaks there, removal of some old
stale support, etc.
* Atmel AT91:
- Fixup of various power management related pieces
- Move of SoC detection to a drivers/soc driver instead
* ST Micro STM32:
- New SoC support: STM32H743
* TI platforms:
- More driver support for Davinci (SATA in particular)
- Removal of some old stale hwmod files (linkspace platform)
* Misc:
- A couple of smaller patches for i.MX, sunxi, hisi
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
for a few platforms:
Gemini:
- Legacy platform that Linus Walleij has converted to multiplatform
and DT, so a handful of various tweaks there, removal of some old
stale support, etc.
Atmel AT91:
- Fixup of various power management related pieces
- Move of SoC detection to a drivers/soc driver instead
ST Micro STM32:
- New SoC support: STM32H743
TI platforms:
- More driver support for Davinci (SATA in particular)
- Removal of some old stale hwmod files (linkspace platform)
Misc:
- A couple of smaller patches for i.MX, sunxi, hisi"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (57 commits)
ARM: davinci: Add clock for CPPI 4.1 DMA engine
ARM: mxs: add support for I2SE Duckbill 2 boards
MAINTAINERS: Update the Allwinner sunXi entry
ARM: i.MX25: globally disable supervisor protect
ARM: at91: move SoC detection to its own driver
ARM: at91: pm: correct typo
ARM: at91: pm: Remove at91_pm_set_standby
ARM: at91: pm: Merge all at91sam9*_pm_init
ARM: at91: pm: Tie the USB clock mask to the pmc
ARM: at91: pm: Tie the memory controller type to the ramc id
ARM: at91: pm: Workaround DDRSDRC self-refresh bug with LPDDR1 memories.
ARM: at91: pm: Simplify at91rm9200_standby
ARM: at91: pm: Use struct at91_pm_data in pm_suspend.S
ARM: at91: pm: Move global variables into at91_pm_data
ARM: at91: pm: Move at91_ramc_read/write to pm.c
ARM: at91: pm: Cleanup headers
MAINTAINERS: Add memory drivers to AT91 entry
MAINTAINERS: Update AT91 entry
ARM: davinci: add pata_bk3710 libata driver support
ARM: OMAP2+: mark omap_init_rng as __init
...
Smaller patches that didn't seem to find a home in other branches, and
low-priority fixes from late in the merge window. A number of these are
MAINTAINER updates, it seems.
Highlights:
* Maintainers:
- Remove Alexandre Courbot and Stephen Warren from Tegra maintainership,
add Jon Hunter
- Remove Stephen Warren and add Stefan Wahren to bcm2835
- Tweaks for file flagging for Marvell Dove
* Fixes:
- For two non-common-clk platform, handle clk_disable with NULL arg
- Remove redundant Kconfig select for Oxnas
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull misc ARM SoC fixes from Olof Johansson:
"ARM SoC non-urgent fixes for merge window
Smaller patches that didn't seem to find a home in other branches, and
low-priority fixes from late in the merge window. A number of these
are MAINTAINER updates, it seems.
Highlights:
* Maintainers:
- Remove Alexandre Courbot and Stephen Warren from Tegra
maintainership, add Jon Hunter
- Remove Stephen Warren and add Stefan Wahren to bcm2835
- Tweaks for file flagging for Marvell Dove
* Fixes:
- For two non-common-clk platform, handle clk_disable with NULL arg
- Remove redundant Kconfig select for Oxnas"
* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: mmp: let clk_disable() return immediately if clk is NULL
ARM: w90x900: let clk_disable() return immediately if clk is NULL
MAINTAINERS: Add file patterns for dove device tree bindings
ARM: oxnas: remove redundant select CPU_V6K
MAINTAINERS: tegra: Remove self as maintainer
MAINTAINERS: tegra: Replace Stephen with Jon
MAINTAINERS: Add Stefan Wahren to bcm2835.
MAINTAINERS: remove swarren from bcm2835
MAINTAINERS: Add Jon Mason to BCM5301X maintainers
Pull misc vfs updates from Al Viro:
"Assorted bits and pieces from various people. No common topic in this
pile, sorry"
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs/affs: add rename exchange
fs/affs: add rename2 to prepare multiple methods
Make stat/lstat/fstatat pass AT_NO_AUTOMOUNT to vfs_statx()
fs: don't set *REFERENCED on single use objects
fs: compat: Remove warning from COMPATIBLE_IOCTL
remove pointless extern of atime_need_update_rcu()
fs: completely ignore unknown open flags
fs: add a VALID_OPEN_FLAGS
fs: remove _submit_bh()
fs: constify tree_descr arrays passed to simple_fill_super()
fs: drop duplicate header percpu-rwsem.h
fs/affs: bugfix: Write files greater than page size on OFS
fs/affs: bugfix: enable writes on OFS disks
fs/affs: remove node generation check
fs/affs: import amigaffs.h
fs/affs: bugfix: make symbolic links work again
Pull vfs fix from Al Viro:
"Braino fix for iov_iter_revert() misuse"
* 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix braino in generic_file_read_iter()
We fixed the bugs in it, but it's still an ugly interface, so let's see
if anybody actually depends on it. It's entirely possible that nothing
actually requires the whole "punch through read-only mappings"
semantics.
For example, gdb definitely uses the /proc/<pid>/mem interface, but it
looks like it mainly does it for regular reads of the target (that don't
need FOLL_FORCE), and looking at the gdb source code seems to fall back
on the traditional ptrace(PTRACE_POKEDATA) interface if it needs to.
If this breaks something, I do have a (more complex) version that only
enables FOLL_FORCE when somebody has PTRACE_ATTACH'ed to the target,
like the comment here used to say ("Maybe we should limit FOLL_FORCE to
actual ptrace users?").
Cc: Kees Cook <keescook@chromium.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Eric Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Yuval Mintz says:
====================
qed*: General fixes
This series contain several fixes for qed and qede.
- #1 [and ~#5] relate to XDP cleanups
- #2 and #5 correct VF behavior
- #3 and #4 fix and add missing configurations needed for RoCE & storage
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
PFs and VFs share the same structure of NDOs today,
and the VFs explicitly fails the ndo_xdp() callback stating
it doesn't support XDP.
This results in lots of:
[qede_xdp:1032(enp131s2)]VFs don't support XDP
------------[ cut here ]------------
WARNING: CPU: 4 PID: 1426 at net/core/rtnetlink.c:1637 rtnl_dump_ifinfo+0x354/0x3c0
...
Call Trace:
? __alloc_skb+0x9b/0x1d0
netlink_dump+0x122/0x290
netlink_recvmsg+0x27d/0x430
sock_recvmsg+0x3d/0x50
...
As every dump request for the VF interface info would fail due to
rtnl_xdp_fill() returning an error code.
To resolve this, introduce a subset of the NDOs meant for the VF
in a seperate structure and register that one instead for VFs,
and omit the ndo_xdp initialization.
Fixes: 40b8c45492 ("qede: Prevent VFs from using XDP")
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When configuring the doorbell DPI address, driver aligns the start
address to 4KB [HW-pages] instead of host PAGE_SIZE.
As a result, RoCE applications might receive addresses which are
unaligned to pages [when PAGE_SIZE > 4KB], which is a security risk.
Fixes: 51ff17251c ("qed: Add support for RoCE hw init")
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Driver doesn't pass the number of tasks to the QM init logic
which would cause back-pressure in scenarios requiring many tasks
[E.g., using max MRs] and thus reduced performance.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After previos changes in HW-stop scheme, VFs stopped sending CLOSE
messages to their PFs when they unload.
Fixes: 1226337ad9 ("qed: Correct HW stop flow")
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When (re|un)loading, Tx-queues belonging to XDP would not get freed.
Fixes: cb6aeb0792 ("qede: Add support for XDP_TX")
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tariq Toukan says:
====================
mlx4 misc fixes
This patchset contains misc bug fixes from the team
to the mlx4 Core and Eth drivers.
Series generated against net commit:
32f1bc0f3d Revert "ipv4: restore rt->fi for reference counting"
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Under SRIOV resource management, extra counters are allocated to VFs
from a free pool. If that pool is empty, the ALLOC_RES command for
a counter resource fails -- and this generates a misleading error
message in the message log.
Under SRIOV, each VF is allocated (i.e., guaranteed) 2 counters --
one counter per port. For ETH ports, the RoCE driver requests an
additional counter (above the guaranteed counters). If that request
fails, the VF RoCE driver simply uses the default (i.e., guaranteed)
counter for that port.
Thus, failing to allocate an additional counter does not constitute
a problem, and the error message on the PF when this occurs should
be reduced to debug level.
Finally, to identify the situation that the reason for the failure is
that no resources are available to grant to the VF, we modified the
error returned by mlx4_grant_resource to -EDQUOT (Quota exceeded),
which more accurately describes the error.
Fixes: c3abb51bdb ("IB/mlx4: Add RoCE/IB dedicated counters")
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Inserting steering rules with illegal ring is an invalid operation,
block it.
Fixes: 820672812f ('net/mlx4_en: Manage flow steering rules with ethtool')
Signed-off-by: Talat Batheesh <talatb@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The error print within mlx4_en_calc_rx_buf() should be a debug print.
Fixes: 51151a16a6 ('mlx4: allow order-0 memory allocations in RX path')
Signed-off-by: Kamal Heib <kamalh@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use time_after() for time comparison with the new fix.
Signed-off-by: Karim Eshapa <karim.eshapa@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Instead of a direct cross-type cast, use conatiner_of() to locate
the embedded structure, even in the face of future struct layout
randomization.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This update consists of:
-- important fixes for build failures and clean target related warnings
to address regressions introduced in:
88baa78d1f ("selftests: remove duplicated all and clean target")
-- several minor spelling fixes in and log messages and comment blocks.
-- Enabling configs for better test coverage in ftrace, vm, cpufreq tests.
-- .gitignore changes
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Merge tag 'linux-kselftest-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
"This update consists of:
- important fixes for build failures and clean target related
warnings to address regressions introduced in commit 88baa78d1f
("selftests: remove duplicated all and clean target")
- several minor spelling fixes in and log messages and comment
blocks.
- Enabling configs for better test coverage in ftrace, vm, and
cpufreq tests.
- .gitignore changes"
* tag 'linux-kselftest-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (26 commits)
selftests: x86: add missing executables to .gitignore
selftests: watchdog: accept multiple params on command line
selftests: create cpufreq kconfig fragments
selftests: x86: override clean in lib.mk to fix warnings
selftests: sync: override clean in lib.mk to fix warnings
selftests: splice: override clean in lib.mk to fix warnings
selftests: gpio: fix clean target to remove all generated files and dirs
selftests: add gpio generated files to .gitignore
selftests: powerpc: override clean in lib.mk to fix warnings
selftests: gpio: override clean in lib.mk to fix warnings
selftests: futex: override clean in lib.mk to fix warnings
selftests: lib.mk: define CLEAN macro to allow Makefiles to override clean
selftests: splice: fix clean target to not remove default_file_splice_read.sh
selftests: gpio: add config fragment for gpio-mockup
selftests: breakpoints: allow to cross-compile for aarch64/arm64
selftests/Makefile: Add missed PHONY targets
selftests/vm/run_vmtests: Fix wrong comment
selftests/Makefile: Add missed closing `"` in comment
selftests/vm/run_vmtests: Polish output text
selftests/timers: fix spelling mistake: "Asynchronous"
...
The first one is just a switch from using strcpy() to strlcpy(). Someone
thought that it may cause an overflow bug, but since it only copies comms
into a pre-allocated array of TASK_COMM_LEN, and no comm should ever
be bigger than that, nor not end with a nul character, this change is more
of a safety precaution than fixing anything that is actually broken.
The other two changes are simply cleaning and optimizing some code.
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Merge tag 'trace-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull more tracing updates from Steven Rostedt:
"These are three simple changes.
The first one is just a switch from using strcpy() to strlcpy().
Someone thought that it may cause an overflow bug, but since it only
copies comms into a pre-allocated array of TASK_COMM_LEN, and no comm
should ever be bigger than that, nor not end with a nul character,
this change is more of a safety precaution than fixing anything that
is actually broken.
The other two changes are simply cleaning and optimizing some code"
* tag 'trace-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
ftrace: Simplify ftrace_match_record() even more
ftrace: Remove an unneeded condition
tracing: Use strlcpy() instead of strcpy() in __trace_find_cmdline()
- mlx5/IPoIB fixup patch
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mergetag object 67cf3623e0
type commit
tag for-next
tagger Doug Ledford <dledford@redhat.com> 1493940800 -0400
Updates #3 for 4.12 kernel merge window
- The hfi1 15 patch set that landed late
- IPoIB get_link_ksettings which landed late because I asked for a
respin
- One late rxe change
- One -rc worthy fix that's in early
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Merge tags 'for-linus' and 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull more rdma updates from Doug Ledford:
"As mentioned in my first pull request, this is the subsequent pull
requests I had. This is all I have, and in fact this cleans out the
RDMA subsystem's entire patchworks queue of kernel changes that are
ready to go (well, it did for the weekend anyway, a few new patches
are in, but they'll be coming during the -rc cycle).
The first tag contains a single patch that would have conflicted if
taken from my tree or DaveM's tree as it needed our trees merged to
come cleanly.
The second tag contains the patch series from Intel plus three other
stragllers that came in late last week. I took them because it allowed
me to legitimately claim that the RDMA patchworks queue was, for a
short time, 100% cleared of all waiting kernel patches, woohoo! :-).
I have it under my for-next tag, so it did get 0day and linux- next
over the end of last week, and linux-next did show one minor conflict.
Summary:
'for-linus' tag:
- mlx5/IPoIB fixup patch
'for-next' tag:
- the hfi1 15 patch set that landed late
- IPoIB get_link_ksettings which landed late because I asked for a
respin
- one late rxe change
- one -rc worthy fix that's in early"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/mlx5: Enable IPoIB acceleration
* tag 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
rxe: expose num_possible_cpus() cnum_comp_vectors
IB/rxe: Update caller's CRC for RXE_MEM_TYPE_DMA memory type
IB/hfi1: Clean up on context initialization failure
IB/hfi1: Fix an assign/ordering issue with shared context IDs
IB/hfi1: Clean up context initialization
IB/hfi1: Correctly clear the pkey
IB/hfi1: Search shared contexts on the opened device, not all devices
IB/hfi1: Remove atomic operations for SDMA_REQ_HAVE_AHG bit
IB/hfi1: Use filedata rather than filepointer
IB/hfi1: Name function prototype parameters
IB/hfi1: Fix a subcontext memory leak
IB/hfi1: Return an error on memory allocation failure
IB/hfi1: Adjust default eager_buffer_size to 8MB
IB/hfi1: Get rid of divide when setting the tx request header
IB/hfi1: Fix yield logic in send engine
IB/hfi1, IB/rdmavt: Move r_adefered to r_lock cache line
IB/hfi1: Fix checks for Offline transient state
IB/ipoib: add get_link_ksettings in ethtool
This reverts commit 82486aa6f1.
As implemented, this causes dangling netdevice refs.
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'pci-v4.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
- add framework for supporting PCIe devices in Endpoint mode (Kishon
Vijay Abraham I)
- use non-postable PCI config space mappings when possible (Lorenzo
Pieralisi)
- clean up and unify mmap of PCI BARs (David Woodhouse)
- export and unify Function Level Reset support (Christoph Hellwig)
- avoid FLR for Intel 82579 NICs (Sasha Neftin)
- add pci_request_irq() and pci_free_irq() helpers (Christoph Hellwig)
- short-circuit config access failures for disconnected devices (Keith
Busch)
- remove D3 sleep delay when possible (Adrian Hunter)
- freeze PME scan before suspending devices (Lukas Wunner)
- stop disabling MSI/MSI-X in pci_device_shutdown() (Prarit Bhargava)
- disable boot interrupt quirk for ASUS M2N-LR (Stefan Assmann)
- add arch-specific alignment control to improve device passthrough by
avoiding multiple BARs in a page (Yongji Xie)
- add sysfs sriov_drivers_autoprobe to control VF driver binding
(Bodong Wang)
- allow slots below PCI-to-PCIe "reverse bridges" (Bjorn Helgaas)
- fix crashes when unbinding host controllers that don't support
removal (Brian Norris)
- add driver for MicroSemi Switchtec management interface (Logan
Gunthorpe)
- add driver for Faraday Technology FTPCI100 host bridge (Linus
Walleij)
- add i.MX7D support (Andrey Smirnov)
- use generic MSI support for Aardvark (Thomas Petazzoni)
- make Rockchip driver modular (Brian Norris)
- advertise 128-byte Read Completion Boundary support for Rockchip
(Shawn Lin)
- advertise PCI_EXP_LNKSTA_SLC for Rockchip root port (Shawn Lin)
- convert atomic_t to refcount_t in HV driver (Elena Reshetova)
- add CPU IRQ affinity in HV driver (K. Y. Srinivasan)
- fix PCI bus removal in HV driver (Long Li)
- add support for ThunderX2 DMA alias topology (Jayachandran C)
- add ThunderX pass2.x 2nd node MCFG quirk (Tomasz Nowicki)
- add ITE 8893 bridge DMA alias quirk (Jarod Wilson)
- restrict Cavium ACS quirk only to CN81xx/CN83xx/CN88xx devices
(Manish Jaggi)
* tag 'pci-v4.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (146 commits)
PCI: Don't allow unbinding host controllers that aren't prepared
ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP
MAINTAINERS: Add PCI Endpoint maintainer
Documentation: PCI: Add userguide for PCI endpoint test function
tools: PCI: Add sample test script to invoke pcitest
tools: PCI: Add a userspace tool to test PCI endpoint
Documentation: misc-devices: Add Documentation for pci-endpoint-test driver
misc: Add host side PCI driver for PCI test function device
PCI: Add device IDs for DRA74x and DRA72x
dt-bindings: PCI: dra7xx: Add DT bindings to enable unaligned access
PCI: dwc: dra7xx: Workaround for errata id i870
dt-bindings: PCI: dra7xx: Add DT bindings for PCI dra7xx EP mode
PCI: dwc: dra7xx: Add EP mode support
PCI: dwc: dra7xx: Facilitate wrapper and MSI interrupts to be enabled independently
dt-bindings: PCI: Add DT bindings for PCI designware EP mode
PCI: dwc: designware: Add EP mode support
Documentation: PCI: Add binding documentation for pci-test endpoint function
ixgbe: Use pcie_flr() instead of duplicating it
IB/hfi1: Use pcie_flr() instead of duplicating it
PCI: imx6: Fix spelling mistake: "contol" -> "control"
...
Here is the "big" TTY/Serial patch updates for 4.12-rc1
Not a lot of new things here, the normal number of serial driver updates
and additions, tiny bugs fixed, and some core files split up to make
future changes a bit easier for Nicolas's "tiny-tty" work.
All of these have been in linux-next for a while. There will be a merge
conflict with include/linux/serdev.h coming from the bluetooth tree
merge, which we knew about, as we wanted some of the serdev changes to
go in through that tree. I'll send the expected merge result as a
follow-on message.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here is the "big" TTY/Serial patch updates for 4.12-rc1
Not a lot of new things here, the normal number of serial driver
updates and additions, tiny bugs fixed, and some core files split up
to make future changes a bit easier for Nicolas's "tiny-tty" work.
All of these have been in linux-next for a while"
* tag 'tty-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (62 commits)
serial: small Makefile reordering
tty: split job control support into a file of its own
tty: move baudrate handling code to a file of its own
console: move console_init() out of tty_io.c
serial: 8250_early: Add earlycon support for Palmchip UART
tty: pl011: use "qdf2400_e44" as the earlycon name for QDF2400 E44
vt: make mouse selection of non-ASCII consistent
vt: set mouse selection word-chars to gpm's default
imx-serial: Reduce RX DMA startup latency when opening for reading
serial: omap: suspend device on probe errors
serial: omap: fix runtime-pm handling on unbind
tty: serial: omap: add UPF_BOOT_AUTOCONF flag for DT init
serial: samsung: Remove useless spinlock
serial: samsung: Add missing checks for dma_map_single failure
serial: samsung: Use right device for DMA-mapping calls
serial: imx: setup DCEDTE early and ensure DCD and RI irqs to be off
tty: fix comment typo s/repsonsible/responsible/
tty: amba-pl011: Fix spurious TX interrupts
serial: xuartps: Enable clocks in the pm disable case also
serial: core: Re-use struct uart_port {name} field
...
Merge more updates from Andrew Morton:
- the rest of MM
- various misc things
- procfs updates
- lib/ updates
- checkpatch updates
- kdump/kexec updates
- add kvmalloc helpers, use them
- time helper updates for Y2038 issues. We're almost ready to remove
current_fs_time() but that awaits a btrfs merge.
- add tracepoints to DAX
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (114 commits)
drivers/staging/ccree/ssi_hash.c: fix build with gcc-4.4.4
selftests/vm: add a test for virtual address range mapping
dax: add tracepoint to dax_insert_mapping()
dax: add tracepoint to dax_writeback_one()
dax: add tracepoints to dax_writeback_mapping_range()
dax: add tracepoints to dax_load_hole()
dax: add tracepoints to dax_pfn_mkwrite()
dax: add tracepoints to dax_iomap_pte_fault()
mtd: nand: nandsim: convert to memalloc_noreclaim_*()
treewide: convert PF_MEMALLOC manipulations to new helpers
mm: introduce memalloc_noreclaim_{save,restore}
mm: prevent potential recursive reclaim due to clearing PF_MEMALLOC
mm/huge_memory.c: deposit a pgtable for DAX PMD faults when required
mm/huge_memory.c: use zap_deposited_table() more
time: delete CURRENT_TIME_SEC and CURRENT_TIME
gfs2: replace CURRENT_TIME with current_time
apparmorfs: replace CURRENT_TIME with current_time()
lustre: replace CURRENT_TIME macro
fs: ubifs: replace CURRENT_TIME_SEC with current_time
fs: ufs: use ktime_get_real_ts64() for birthtime
...
drivers/staging/ccree/ssi_hash.c:1990: error: unknown field 'template_ahash' specified in initializer
drivers/staging/ccree/ssi_hash.c:1991: error: unknown field 'init' specified in initializer
drivers/staging/ccree/ssi_hash.c:1991: warning: missing braces around initializer
drivers/staging/ccree/ssi_hash.c:1991: warning: (near initialization for 'driver_hash[0].<anonymous>.template_ahash')
drivers/staging/ccree/ssi_hash.c:1992: error: unknown field 'update' specified in initializer
drivers/staging/ccree/ssi_hash.c:1992: warning: excess elements in union initializer
drivers/staging/ccree/ssi_hash.c:1992: warning: (near initialization for 'driver_hash[0].<anonymous>')
drivers/staging/ccree/ssi_hash.c:1993: error: unknown field 'final' specified in initializer
drivers/staging/ccree/ssi_hash.c:1993: warning: excess elements in union initializer
drivers/staging/ccree/ssi_hash.c:1993: warning: (near initialization for 'driver_hash[0].<anonymous>')
...
gcc-4.4.4 has issues with anon union initializers. Work around this.
Cc: Gilad Ben-Yossef <gilad@benyossef.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>
This verifies virtual address mapping below and above the 128TB range
and makes sure that address returned are within the expected range
depending upon the hint passed from the user space.
Link: http://lkml.kernel.org/r/20170418095252.20533-1-khandual@linux.vnet.ibm.com
Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: Michal Suchanek <msuchanek@suse.de>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add a tracepoint to dax_insert_mapping(), following the same logging
conventions as the rest of DAX. This tracepoint, along with the one in
dax_load_hole(), lets us know how a DAX PTE fault was serviced.
Here is an example DAX fault that inserts a PTE mapping:
small-1126 [007] ....
145.451604: dax_pte_fault: dev 259:0 ino 0x1003 shared WRITE|ALLOW_RETRY|KILLABLE|USER address 0x10420000 pgoff 0x220
small-1126 [007] ....
145.452317: dax_insert_mapping: dev 259:0 ino 0x1003 shared write address 0x10420000 radix_entry 0x100006
small-1126 [007] ....
145.452399: dax_pte_fault_done: dev 259:0 ino 0x1003 shared WRITE|ALLOW_RETRY|KILLABLE|USER address 0x10420000 pgoff 0x220 MAJOR|NOPAGE
Link: http://lkml.kernel.org/r/20170221195116.13278-7-ross.zwisler@linux.intel.com
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add a tracepoint to dax_writeback_one(), following the same logging
conventions as the rest of DAX.
Here is an example range writeback which ends up flushing one PMD and
one PTE:
test-1265 [003] ....
496.615250: dax_writeback_range: dev 259:0 ino 0x1003 pgoff 0x0-0x7ffffffffffff
test-1265 [003] ....
496.616263: dax_writeback_one: dev 259:0 ino 0x1003 pgoff 0x0 pglen 0x200
test-1265 [003] ....
496.616270: dax_writeback_one: dev 259:0 ino 0x1003 pgoff 0x305 pglen 0x1
test-1265 [003] ....
496.616272: dax_writeback_range_done: dev 259:0 ino 0x1003 pgoff 0x0-0x7ffffffffffff
[akpm@linux-foundation.org: struct blk_dax_ctl has disappeared]
Link: http://lkml.kernel.org/r/20170221195116.13278-6-ross.zwisler@linux.intel.com
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add tracepoints to dax_writeback_mapping_range(), following the same
logging conventions as the rest of DAX.
Here is an example writeback call:
msync-1085 [006] ....
200.902565: dax_writeback_range: dev 259:0 ino 0x1003 pgoff 0x200-0x2ff
msync-1085 [006] ....
200.902579: dax_writeback_range_done: dev 259:0 ino 0x1003 pgoff 0x200-0x2ff
[ross.zwisler@linux.intel.com: fix regression in dax_writeback_mapping_range()]
Link: http://lkml.kernel.org/r/20170314215358.31451-1-ross.zwisler@linux.intel.com
Link: http://lkml.kernel.org/r/20170221195116.13278-5-ross.zwisler@linux.intel.com
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add tracepoints to dax_load_hole(), following the same logging conventions
as the rest of DAX.
Here is the logging generated by a PTE read from a hole:
read-1075 [002] ....
62.362108: dax_pte_fault: dev 259:0 ino 0x1003 shared ALLOW_RETRY|KILLABLE|USER address 0x10480000 pgoff 0x280
read-1075 [002] ....
62.362140: dax_load_hole: dev 259:0 ino 0x1003 shared ALLOW_RETRY|KILLABLE|USER address 0x10480000 pgoff 0x280 NOPAGE
read-1075 [002] ....
62.362141: dax_pte_fault_done: dev 259:0 ino 0x1003 shared ALLOW_RETRY|KILLABLE|USER address 0x10480000 pgoff 0x280 NOPAGE
Link: http://lkml.kernel.org/r/20170221195116.13278-4-ross.zwisler@linux.intel.com
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
