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Merge tag 'for-linus-20181026' of git://git.kernel.dk/linux-block
Pull more block layer updates from Jens Axboe:
- Set of patches improving support for zoned devices. This was ready
before the merge window, but I was late in picking it up and hence it
missed the original pull request (Damien, Christoph)
- libata no link power management quirk addition for a Samsung drive
(Diego Viola)
- Fix for a performance regression in BFQ that went into this merge
window (Federico Motta)
- Fix for a missing dma mask setting return value check (Gustavo)
- Typo in the gdrom queue failure case (me)
- NULL pointer deref fix for xen-blkfront (Vasilis Liaskovitis)
- Fixing the get_rq trace point placement in blk-mq (Xiaoguang Wang)
- Removal of a set-but-not-read variable in cdrom (zhong jiang)
* tag 'for-linus-20181026' of git://git.kernel.dk/linux-block:
libata: Apply NOLPM quirk for SAMSUNG MZ7TD256HAFV-000L9
block, bfq: fix asymmetric scenarios detection
gdrom: fix mistake in assignment of error
blk-mq: place trace_block_getrq() in correct place
block: Introduce blk_revalidate_disk_zones()
block: add a report_zones method
block: Expose queue nr_zones in sysfs
block: Improve zone reset execution
block: Introduce BLKGETNRZONES ioctl
block: Introduce BLKGETZONESZ ioctl
block: Limit allocation of zone descriptors for report zones
block: Introduce blkdev_nr_zones() helper
scsi: sd_zbc: Fix sd_zbc_check_zones() error checks
scsi: sd_zbc: Reduce boot device scan and revalidate time
scsi: sd_zbc: Rearrange code
cdrom: remove set but not used variable 'tocuse'
skd: fix unchecked return values
xen/blkfront: avoid NULL blkfront_info dereference on device removal
- Sync dtc with upstream version v1.4.7-14-gc86da84d30e4
- Work to get rid of direct accesses to struct device_node name and
type pointers in preparation for removing them. New helpers for
parsing DT cpu nodes and conversions to use the helpers. printk
conversions to %pOFn for printing DT node names. Most went thru
subystem trees, so this is the remainder.
- Fixes to DT child node lookups to actually be restricted to child
nodes instead of treewide.
- Refactoring of dtb targets out of arch code. This makes the support
more uniform and enables building all dtbs on c6x, microblaze, and
powerpc.
- Various DT binding updates for Renesas r8a7744 SoC
- Vendor prefixes for Facebook, OLPC
- Restructuring of some ARM binding docs moving some peripheral bindings
out of board/SoC binding files
- New "secure-chosen" binding for secure world settings on ARM
- Dual licensing of 2 DT IRQ binding headers
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Merge tag 'devicetree-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull Devicetree updates from Rob Herring:
"A bit bigger than normal as I've been busy this cycle.
There's a few things with dependencies and a few things subsystem
maintainers didn't pick up, so I'm taking them thru my tree.
The fixes from Johan didn't get into linux-next, but they've been
waiting for some time now and they are what's left of what subsystem
maintainers didn't pick up.
Summary:
- Sync dtc with upstream version v1.4.7-14-gc86da84d30e4
- Work to get rid of direct accesses to struct device_node name and
type pointers in preparation for removing them. New helpers for
parsing DT cpu nodes and conversions to use the helpers. printk
conversions to %pOFn for printing DT node names. Most went thru
subystem trees, so this is the remainder.
- Fixes to DT child node lookups to actually be restricted to child
nodes instead of treewide.
- Refactoring of dtb targets out of arch code. This makes the support
more uniform and enables building all dtbs on c6x, microblaze, and
powerpc.
- Various DT binding updates for Renesas r8a7744 SoC
- Vendor prefixes for Facebook, OLPC
- Restructuring of some ARM binding docs moving some peripheral
bindings out of board/SoC binding files
- New "secure-chosen" binding for secure world settings on ARM
- Dual licensing of 2 DT IRQ binding headers"
* tag 'devicetree-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (78 commits)
ARM: dt: relicense two DT binding IRQ headers
power: supply: twl4030-charger: fix OF sibling-node lookup
NFC: nfcmrvl_uart: fix OF child-node lookup
net: stmmac: dwmac-sun8i: fix OF child-node lookup
net: bcmgenet: fix OF child-node lookup
drm/msm: fix OF child-node lookup
drm/mediatek: fix OF sibling-node lookup
of: Add missing exports of node name compare functions
dt-bindings: Add OLPC vendor prefix
dt-bindings: misc: bk4: Add device tree binding for Liebherr's BK4 SPI bus
dt-bindings: thermal: samsung: Add SPDX license identifier
dt-bindings: clock: samsung: Add SPDX license identifiers
dt-bindings: timer: ostm: Add R7S9210 support
dt-bindings: phy: rcar-gen2: Add r8a7744 support
dt-bindings: can: rcar_can: Add r8a7744 support
dt-bindings: timer: renesas, cmt: Document r8a7744 CMT support
dt-bindings: watchdog: renesas-wdt: Document r8a7744 support
dt-bindings: thermal: rcar: Add device tree support for r8a7744
Documentation: dt: Add binding for /secure-chosen/stdout-path
dt-bindings: arm: zte: Move sysctrl bindings to their own doc
...
Pull thermal SoC updates from Eduardo Valentin:
"Several new things coming up. Specifics:
- Rework of tsens and hisi thermal drivers
- OF-thermal now allows sharing multiple cooling devices on maps
- Added support for r8a7744 and R8A77970 on rcar thermal driver
- Added support for r8a774a1 on rcar_gen3 thermal driver
- New thermal driver stm32
- Fixes on multiple thermal drivers: of-thermal, imx, qoriq, armada,
qcom-spmi, rcar, da9062/61"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal: (41 commits)
thermal: da9062/61: Prevent hardware access during system suspend
thermal: rcar_thermal: Prevent doing work after unbind
thermal: rcar_thermal: Prevent hardware access during system suspend
thermal: rcar_gen3_thermal: add R8A77980 support
dt-bindings: thermal: rcar-gen3-thermal: document R8A77980 bindings
thermal: add stm32 thermal driver
dt-bindings: stm32-thermal: add binding documentation
thermal: rcar_thermal: add R8A77970 support
dt-bindings: thermal: rcar-thermal: document R8A77970 bindings
thermal: rcar_thermal: fix duplicate IRQ request
dt-bindings: thermal: rcar: Add device tree support for r8a7744
thermal/drivers/hisi: Add the dual clusters sensors for hi3660
thermal/drivers/hisi: Add more sensors channel
thermal/drivers/hisi: Remove pointless irq field
thermal/drivers/hisi: Use platform_get_irq_byname
thermal/drivers/hisi: Replace macro name with relevant sensor location
thermal/drivers/hisi: Add multiple sensors support
thermal/drivers/hisi: Prepare to support multiple sensors
thermal/drivers/hisi: Factor out the probe functions
thermal/drivers/hisi: Set the thermal zone private data to the sensor pointer
...
Commit 45d4c6de4e49 ("leds: gpio: Try to lookup gpiod from device")
removed the common code path that set the led_dat->gpiod pointer in
create_gpio_led(), but only added it back for the devices that have
a valid gpio_led_platform_data structure. Calling gpio_leds_create()
in gpio_led_probe() is not enough to get a valid gpiod pointer.
Fortunately enough, gpio_leds_create() already gets the needed pointer,
we just need to assign it to the relevant gpio_led_data structure.
Fixes: 45d4c6de4e49 ("leds: gpio: Try to lookup gpiod from device")
Signed-off-by: Liviu Dudau <liviu@dudau.co.uk>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
- various swiotlb cleanups
- do not dip into the ѕwiotlb pool for dma coherent allocations
- add support for not cache coherent DMA to swiotlb
- switch ARM64 to use the generic swiotlb_dma_ops
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Merge tag 'dma-mapping-4.20-1' of git://git.infradead.org/users/hch/dma-mapping
Pull more dma-mapping updates from Christoph Hellwig:
- various swiotlb cleanups
- do not dip into the ѕwiotlb pool for dma coherent allocations
- add support for not cache coherent DMA to swiotlb
- switch ARM64 to use the generic swiotlb_dma_ops
* tag 'dma-mapping-4.20-1' of git://git.infradead.org/users/hch/dma-mapping:
arm64: use the generic swiotlb_dma_ops
swiotlb: add support for non-coherent DMA
swiotlb: don't dip into swiotlb pool for coherent allocations
swiotlb: refactor swiotlb_map_page
swiotlb: use swiotlb_map_page in swiotlb_map_sg_attrs
swiotlb: merge swiotlb_unmap_page and unmap_single
swiotlb: remove the overflow buffer
swiotlb: do not panic on mapping failures
swiotlb: mark is_swiotlb_buffer static
swiotlb: remove a pointless comment
These updates bring:
- Debugfs support for the Intel VT-d driver. When enabled, it
now also exposes some of its internal data structures to
user-space for debugging purposes.
- ARM-SMMU driver now uses the generic deferred flushing
and fast-path iova allocation code. This is expected to be a
major performance improvement, as this allocation path scales
a lot better.
- Support for r8a7744 in the Renesas iommu driver
- Couple of minor fixes and improvements all over the place
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Merge tag 'iommu-updates-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
- Debugfs support for the Intel VT-d driver.
When enabled, it now also exposes some of its internal data
structures to user-space for debugging purposes.
- ARM-SMMU driver now uses the generic deferred flushing and fast-path
iova allocation code.
This is expected to be a major performance improvement, as this
allocation path scales a lot better.
- Support for r8a7744 in the Renesas iommu driver
- Couple of minor fixes and improvements all over the place
* tag 'iommu-updates-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (39 commits)
iommu/arm-smmu-v3: Remove unnecessary wrapper function
iommu/arm-smmu-v3: Add SPDX header
iommu/amd: Add default branch in amd_iommu_capable()
dt-bindings: iommu: ipmmu-vmsa: Add r8a7744 support
iommu/amd: Move iommu_init_pci() to .init section
iommu/arm-smmu: Support non-strict mode
iommu/io-pgtable-arm-v7s: Add support for non-strict mode
iommu/arm-smmu-v3: Add support for non-strict mode
iommu/io-pgtable-arm: Add support for non-strict mode
iommu: Add "iommu.strict" command line option
iommu/dma: Add support for non-strict mode
iommu/arm-smmu: Ensure that page-table updates are visible before TLBI
iommu/arm-smmu-v3: Implement flush_iotlb_all hook
iommu/arm-smmu-v3: Avoid back-to-back CMD_SYNC operations
iommu/arm-smmu-v3: Fix unexpected CMD_SYNC timeout
iommu/io-pgtable-arm: Fix race handling in split_blk_unmap()
iommu/arm-smmu-v3: Fix a couple of minor comment typos
iommu: Fix a typo
iommu: Remove .domain_{get,set}_windows
iommu: Tidy up window attributes
...
Here is the big set of char/misc patches for 4.20-rc1.
Loads of things here, we have new code in all of these driver
subsystems:
fpga
stm
extcon
nvmem
eeprom
hyper-v
gsmi
coresight
thunderbolt
vmw_balloon
goldfish
soundwire
along with lots of fixes and minor changes to other small drivers.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char/misc patches for 4.20-rc1.
Loads of things here, we have new code in all of these driver
subsystems:
- fpga
- stm
- extcon
- nvmem
- eeprom
- hyper-v
- gsmi
- coresight
- thunderbolt
- vmw_balloon
- goldfish
- soundwire
along with lots of fixes and minor changes to other small drivers.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (245 commits)
Documentation/security-bugs: Clarify treatment of embargoed information
lib: Fix ia64 bootloader linkage
MAINTAINERS: Clarify UIO vs UIOVEC maintainer
docs/uio: fix a grammar nitpick
docs: fpga: document programming fpgas using regions
fpga: add devm_fpga_region_create
fpga: bridge: add devm_fpga_bridge_create
fpga: mgr: add devm_fpga_mgr_create
hv_balloon: Replace spin_is_locked() with lockdep
sgi-xp: Replace spin_is_locked() with lockdep
eeprom: New ee1004 driver for DDR4 memory
eeprom: at25: remove unneeded 'at25_remove'
w1: IAD Register is yet readable trough iad sys file. Fix snprintf (%u for unsigned, count for max size).
misc: mic: scif: remove set but not used variables 'src_dma_addr, dst_dma_addr'
misc: mic: fix a DMA pool free failure
platform: goldfish: pipe: Add a blank line to separate varibles and code
platform: goldfish: pipe: Remove redundant casting
platform: goldfish: pipe: Call misc_deregister if init fails
platform: goldfish: pipe: Move the file-scope goldfish_pipe_dev variable into the driver state
platform: goldfish: pipe: Move the file-scope goldfish_pipe_miscdev variable into the driver state
...
Driver core patches for 4.20-rc1
Here is a small number of driver core patches for 4.20-rc1.
Not much happened here this merge window, only a very tiny number of
patches that do:
- add BUS_ATTR_WO() for use by drivers
- component error path fixes
- kernfs range check fix
- other tiny error path fixes and const changes
All of these have been in linux-next with no reported issues for a
while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is a small number of driver core patches for 4.20-rc1.
Not much happened here this merge window, only a very tiny number of
patches that do:
- add BUS_ATTR_WO() for use by drivers
- component error path fixes
- kernfs range check fix
- other tiny error path fixes and const changes
All of these have been in linux-next with no reported issues for a
while"
* tag 'driver-core-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
devres: provide devm_kstrdup_const()
mm: move is_kernel_rodata() to asm-generic/sections.h
devres: constify p in devm_kfree()
driver core: add BUS_ATTR_WO() macro
kernfs: Fix range checks in kernfs_get_target_path
component: fix loop condition to call unbind() if bind() fails
drivers/base/devtmpfs.c: don't pretend path is const in delete_path
kernfs: update comment about kernfs_path() return value
Here is the big USB/PHY driver patches for 4.20-rc1
Lots of USB changes in here, primarily in these areas:
- typec updates and new drivers
- new PHY drivers
- dwc2 driver updates and additions (this old core keeps getting added
to new devices.)
- usbtmc major update based on the industry group coming together and
working to add new features and performance to the driver.
- USB gadget additions for new features
- USB gadget configfs updates
- chipidea driver updates
- other USB gadget updates
- USB serial driver updates
- renesas driver updates
- xhci driver updates
- other tiny USB driver updates
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big USB/PHY driver patches for 4.20-rc1
Lots of USB changes in here, primarily in these areas:
- typec updates and new drivers
- new PHY drivers
- dwc2 driver updates and additions (this old core keeps getting
added to new devices.)
- usbtmc major update based on the industry group coming together and
working to add new features and performance to the driver.
- USB gadget additions for new features
- USB gadget configfs updates
- chipidea driver updates
- other USB gadget updates
- USB serial driver updates
- renesas driver updates
- xhci driver updates
- other tiny USB driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (229 commits)
usb: phy: ab8500: silence some uninitialized variable warnings
usb: xhci: tegra: Add genpd support
usb: xhci: tegra: Power-off power-domains on removal
usbip:vudc: BUG kmalloc-2048 (Not tainted): Poison overwritten
usbip: tools: fix atoi() on non-null terminated string
USB: misc: appledisplay: fix backlight update_status return code
phy: phy-pxa-usb: add a new driver
usb: host: add DT bindings for faraday fotg2
usb: host: ohci-at91: fix request of irq for optional gpio
usb/early: remove set but not used variable 'remain_length'
usb: typec: Fix copy/paste on typec_set_vconn_role() kerneldoc
usb: typec: tcpm: Report back negotiated PPS voltage and current
USB: core: remove set but not used variable 'udev'
usb: core: fix memory leak on port_dev_path allocation
USB: net2280: Remove ->disconnect() callback from net2280_pullup()
usb: dwc2: disable power_down on rockchip devices
usb: gadget: udc: renesas_usb3: add support for r8a77990
dt-bindings: usb: renesas_usb3: add bindings for r8a77990
usb: gadget: udc: renesas_usb3: Add r8a774a1 support
USB: serial: cypress_m8: remove set but not used variable 'iflag'
...
This has been a smaller cycle with many of the commits being smallish code
fixes and improvements across the drivers.
- Driver updates for bnxt_re, cxgb4, hfi1, hns, mlx5, nes, qedr, and rxe
- Memory window support in hns
- mlx5 user API 'flow mutate/steering' allows accessing the full packet
mangling and matching machinery from user space
- Support inter-working with verbs API calls in the 'devx' mlx5 user API, and
provide options to use devx with less privilege
- Modernize the use of syfs and the device interface to use attribute groups
and cdev properly for uverbs, and clean up some of the core code's device list
management
- More progress on net namespaces for RDMA devices
- Consolidate driver BAR mmapping support into core code helpers and rework
how RDMA holds poitners to mm_struct for get_user_pages cases
- First pass to use 'dev_name' instead of ib_device->name
- Device renaming for RDMA devices
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"This has been a smaller cycle with many of the commits being smallish
code fixes and improvements across the drivers.
- Driver updates for bnxt_re, cxgb4, hfi1, hns, mlx5, nes, qedr, and
rxe
- Memory window support in hns
- mlx5 user API 'flow mutate/steering' allows accessing the full
packet mangling and matching machinery from user space
- Support inter-working with verbs API calls in the 'devx' mlx5 user
API, and provide options to use devx with less privilege
- Modernize the use of syfs and the device interface to use attribute
groups and cdev properly for uverbs, and clean up some of the core
code's device list management
- More progress on net namespaces for RDMA devices
- Consolidate driver BAR mmapping support into core code helpers and
rework how RDMA holds poitners to mm_struct for get_user_pages
cases
- First pass to use 'dev_name' instead of ib_device->name
- Device renaming for RDMA devices"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (242 commits)
IB/mlx5: Add support for extended atomic operations
RDMA/core: Fix comment for hw stats init for port == 0
RDMA/core: Refactor ib_register_device() function
RDMA/core: Fix unwinding flow in case of error to register device
ib_srp: Remove WARN_ON in srp_terminate_io()
IB/mlx5: Allow scatter to CQE without global signaled WRs
IB/mlx5: Verify that driver supports user flags
IB/mlx5: Support scatter to CQE for DC transport type
RDMA/drivers: Use core provided API for registering device attributes
RDMA/core: Allow existing drivers to set one sysfs group per device
IB/rxe: Remove unnecessary enum values
RDMA/umad: Use kernel API to allocate umad indexes
RDMA/uverbs: Use kernel API to allocate uverbs indexes
RDMA/core: Increase total number of RDMA ports across all devices
IB/mlx4: Add port and TID to MAD debug print
IB/mlx4: Enable debug print of SMPs
RDMA/core: Rename ports_parent to ports_kobj
RDMA/core: Do not expose unsupported counters
IB/mlx4: Refer to the device kobject instead of ports_parent
RDMA/nldev: Allow IB device rename through RDMA netlink
...
med_power_with_dipm causes my T450 to freeze with a SAMSUNG
MZ7TD256HAFV-000L9 SSD (firmware DXT02L5Q).
Switching the LPM to max_performance fixes this issue.
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Diego Viola <diego.viola@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Files in include/dt-bindings/ may be useful to any OS that uses DT, when
building the OS binary itself, not just when building DTB files. Since
some OSs are not GPL, they need non-GPL headers. This change relicenses
two of the useful files so that they can be used under the MIT license
when desired. I wrote these files and NVIDIA legal has approved this
change. Geert also ack'd the change; he fixed some spelling issues in the
comments.
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This reverts commit d8a2fe29d3c97038c8efcc328d5e7940c5310565.
That commit, by me, fixed the out of tree build errors by causing some
of the tests not to build at all.
Use and mention the predefined LINUX_GATEWAY_SPACE constant in the
various important code sections which deal with the gateway page.
Signed-off-by: Helge Deller <deller@gmx.de>
There are only two 64-bit architecture ports that have a 32-bit
suseconds_t: sparc64 and parisc64. I've encountered a number of problems
with this, while trying to get a proper 64-bit time_t working on 32-bit
architectures. Having a 32-bit suseconds_t combined with a 64-bit time_t
means that we get extra padding in data structures that may leak kernel
stack data to user space, and it breaks all code that assumes that
timespec and timeval have the same layout.
While we can't change sparc64, it seems that glibc on parisc64 has always
set suseconds_t to 'long', and the current version would give incorrect
results for gettimeofday() and many other interfaces: timestamps passed
from user space into the kernel result in tv_usec being always zero
(the lower bits contain the intended value but are ignored) while data
passed from the kernel to user space contains either zeroes or random
data in tv_usec.
Based on that, it seems best to change the user API in the kernel in
an incompatible way to match what glibc expects.
Note that the distros I could find (gentoo and debian) all just
have 32-bit user space, which does not suffer from this problem.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Helge Deller <deller@gmx.de>
This patch set contains a lot (at least, for me) of improvements to the
RISC-V kernel port:
* The removal of some cacheinfo values that were bogus.
* On systems with F but without D the kernel will not show the F
extension to userspace, as it isn't actually supported.
* Support for futexes.
* Removal of some unused code.
* Cleanup of some menuconfig entries.
* Support for systems without a floating-point unit, and for building
kernels that will never use the floating-point unit.
* More fixes to the RV32I port, which regressed again. It's really time
to get this into a regression test somewhere so I stop breaking it.
Thanks to Zong for resurrecting it again!
* Various fixes that resulted from a year old review of our original
patch set that I finally got around to.
* Various improvements to SMP support, largely based around having
switched to logical hart numbering, as well as some interrupt
improvements. This one is in the same patch set as above, thanks to
Atish for sheparding everything though as my patch set was a bit of a
mess.
I'm pretty sure this is our largest patch set since the original kernel
contribution, and it's certainly the one with the most contributors.
While I don't have anything else I know I'm going to submit for the
merge window, I would be somewhat surprised if I didn't screw anything
up.
Thanks for the help, everyone!
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Merge tag 'riscv-for-linus-4.20-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux
Pull RISC-V updates from Palmer Dabbelt:
"This patch set contains a lot (at least, for me) of improvements to
the RISC-V kernel port:
- The removal of some cacheinfo values that were bogus.
- On systems with F but without D the kernel will not show the F
extension to userspace, as it isn't actually supported.
- Support for futexes.
- Removal of some unused code.
- Cleanup of some menuconfig entries.
- Support for systems without a floating-point unit, and for building
kernels that will never use the floating-point unit.
- More fixes to the RV32I port, which regressed again. It's really
time to get this into a regression test somewhere so I stop
breaking it. Thanks to Zong for resurrecting it again!
- Various fixes that resulted from a year old review of our original
patch set that I finally got around to.
- Various improvements to SMP support, largely based around having
switched to logical hart numbering, as well as some interrupt
improvements. This one is in the same patch set as above, thanks to
Atish for sheparding everything though as my patch set was a bit of
a mess.
I'm pretty sure this is our largest patch set since the original
kernel contribution, and it's certainly the one with the most
contributors. While I don't have anything else I know I'm going to
submit for the merge window, I would be somewhat surprised if I didn't
screw anything up.
Thanks for the help, everyone!"
* tag 'riscv-for-linus-4.20-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux: (31 commits)
RISC-V: Cosmetic menuconfig changes
riscv: move GCC version check for ARCH_SUPPORTS_INT128 to Kconfig
RISC-V: remove the unused return_to_handler export
RISC-V: Add futex support.
RISC-V: Add FP register ptrace support for gdb.
RISC-V: Mask out the F extension on systems without D
RISC-V: Don't set cacheinfo.{physical_line_partition,attributes}
RISC-V: Show IPI stats
RISC-V: Show CPU ID and Hart ID separately in /proc/cpuinfo
RISC-V: Use Linux logical CPU number instead of hartid
RISC-V: Add logical CPU indexing for RISC-V
RISC-V: Use WRITE_ONCE instead of direct access
RISC-V: Use mmgrab()
RISC-V: Rename im_okay_therefore_i_am to found_boot_cpu
RISC-V: Rename riscv_of_processor_hart to riscv_of_processor_hartid
RISC-V: Provide a cleaner raw_smp_processor_id()
RISC-V: Disable preemption before enabling interrupts
RISC-V: Comment on the TLB flush in smp_callin()
RISC-V: Filter ISA and MMU values in cpuinfo
RISC-V: Don't set cacheinfo.{physical_line_partition,attributes}
...
ARM:
- Improved guest IPA space support (32 to 52 bits)
- RAS event delivery for 32bit
- PMU fixes
- Guest entry hardening
- Various cleanups
- Port of dirty_log_test selftest
PPC:
- Nested HV KVM support for radix guests on POWER9. The performance is
much better than with PR KVM. Migration and arbitrary level of
nesting is supported.
- Disable nested HV-KVM on early POWER9 chips that need a particular hardware
bug workaround
- One VM per core mode to prevent potential data leaks
- PCI pass-through optimization
- merge ppc-kvm topic branch and kvm-ppc-fixes to get a better base
s390:
- Initial version of AP crypto virtualization via vfio-mdev
- Improvement for vfio-ap
- Set the host program identifier
- Optimize page table locking
x86:
- Enable nested virtualization by default
- Implement Hyper-V IPI hypercalls
- Improve #PF and #DB handling
- Allow guests to use Enlightened VMCS
- Add migration selftests for VMCS and Enlightened VMCS
- Allow coalesced PIO accesses
- Add an option to perform nested VMCS host state consistency check
through hardware
- Automatic tuning of lapic_timer_advance_ns
- Many fixes, minor improvements, and cleanups
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Merge tag 'kvm-4.20-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Radim Krčmář:
"ARM:
- Improved guest IPA space support (32 to 52 bits)
- RAS event delivery for 32bit
- PMU fixes
- Guest entry hardening
- Various cleanups
- Port of dirty_log_test selftest
PPC:
- Nested HV KVM support for radix guests on POWER9. The performance
is much better than with PR KVM. Migration and arbitrary level of
nesting is supported.
- Disable nested HV-KVM on early POWER9 chips that need a particular
hardware bug workaround
- One VM per core mode to prevent potential data leaks
- PCI pass-through optimization
- merge ppc-kvm topic branch and kvm-ppc-fixes to get a better base
s390:
- Initial version of AP crypto virtualization via vfio-mdev
- Improvement for vfio-ap
- Set the host program identifier
- Optimize page table locking
x86:
- Enable nested virtualization by default
- Implement Hyper-V IPI hypercalls
- Improve #PF and #DB handling
- Allow guests to use Enlightened VMCS
- Add migration selftests for VMCS and Enlightened VMCS
- Allow coalesced PIO accesses
- Add an option to perform nested VMCS host state consistency check
through hardware
- Automatic tuning of lapic_timer_advance_ns
- Many fixes, minor improvements, and cleanups"
* tag 'kvm-4.20-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (204 commits)
KVM/nVMX: Do not validate that posted_intr_desc_addr is page aligned
Revert "kvm: x86: optimize dr6 restore"
KVM: PPC: Optimize clearing TCEs for sparse tables
x86/kvm/nVMX: tweak shadow fields
selftests/kvm: add missing executables to .gitignore
KVM: arm64: Safety check PSTATE when entering guest and handle IL
KVM: PPC: Book3S HV: Don't use streamlined entry path on early POWER9 chips
arm/arm64: KVM: Enable 32 bits kvm vcpu events support
arm/arm64: KVM: Rename function kvm_arch_dev_ioctl_check_extension()
KVM: arm64: Fix caching of host MDCR_EL2 value
KVM: VMX: enable nested virtualization by default
KVM/x86: Use 32bit xor to clear registers in svm.c
kvm: x86: Introduce KVM_CAP_EXCEPTION_PAYLOAD
kvm: vmx: Defer setting of DR6 until #DB delivery
kvm: x86: Defer setting of CR2 until #PF delivery
kvm: x86: Add payload operands to kvm_multiple_exception
kvm: x86: Add exception payload fields to kvm_vcpu_events
kvm: x86: Add has_payload and payload to kvm_queued_exception
KVM: Documentation: Fix omission in struct kvm_vcpu_events
KVM: selftests: add Enlightened VMCS test
...
Pull cgroup updates from Tejun Heo:
"All trivial changes - simplification, typo fix and adding
cond_resched() in a netclassid update loop"
* 'for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup, netclassid: add a preemption point to write_classid
rdmacg: fix a typo in rdmacg documentation
cgroup: Simplify cgroup_ancestor
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Merge tag 'printk-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk
Pull printk updates from Petr Mladek:
- Fix two more locations where printf formatting leaked pointers
- Better log_buf_len parameter handling
- Add prefix to messages from printk code
- Do not miss messages on other consoles when the log is replayed on a
new one
- Reduce race between console registration and panic() when the log
might get replayed on all consoles
- Some cont buffer code clean up
- Call console only when there is something to do (log vs cont buffer)
* tag 'printk-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
lib/vsprintf: Hash printed address for netdev bits fallback
lib/vsprintf: Hash legacy clock addresses
lib/vsprintf: Prepare for more general use of ptr_to_id()
lib/vsprintf: Make ptr argument conts in ptr_to_id()
printk: fix integer overflow in setup_log_buf()
printk: do not preliminary split up cont buffer
printk: lock/unlock console only for new logbuf entries
printk: keep kernel cont support always enabled
printk: Give error on attempt to set log buffer length to over 2G
printk: Add KBUILD_MODNAME and remove a redundant print prefix
printk: Correct wrong casting
printk: Fix panic caused by passing log_buf_len to command line
printk: CON_PRINTBUFFER console registration is a bit racy
printk: Do not miss new messages when replaying the log
Rick reported that the BPF JIT could potentially fill the entire module
space with BPF programs from unprivileged users which would prevent later
attempts to load normal kernel modules or privileged BPF programs, for
example. If JIT was enabled but unsuccessful to generate the image, then
before commit 290af86629b2 ("bpf: introduce BPF_JIT_ALWAYS_ON config")
we would always fall back to the BPF interpreter. Nowadays in the case
where the CONFIG_BPF_JIT_ALWAYS_ON could be set, then the load will abort
with a failure since the BPF interpreter was compiled out.
Add a global limit and enforce it for unprivileged users such that in case
of BPF interpreter compiled out we fail once the limit has been reached
or we fall back to BPF interpreter earlier w/o using module mem if latter
was compiled in. In a next step, fair share among unprivileged users can
be resolved in particular for the case where we would fail hard once limit
is reached.
Fixes: 290af86629b2 ("bpf: introduce BPF_JIT_ALWAYS_ON config")
Fixes: 0a14842f5a3c ("net: filter: Just In Time compiler for x86-64")
Co-Developed-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Jann Horn <jannh@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Daniel Borkmann says:
====================
Several fixes to get direct packet access in order from verifier
side. Also test suite fix to run cg_skb as unpriv and an improvement
to make direct packet write less error prone in future.
====================
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Given this seems to be quite fragile and can easily slip through the
cracks, lets make direct packet write more robust by requiring that
future program types which allow for such write must provide a prologue
callback. In case of XDP and sk_msg it's noop, thus add a generic noop
handler there. The latter starts out with NULL data/data_end unconditionally
when sg pages are shared.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Commit f1a2e44a3aec ("bpf: add queue and stack maps") added helpers
with ARG_PTR_TO_UNINIT_MAP_VALUE. Meaning, the helper is supposed to
fill the map value buffer with data instead of reading from it like
in other helpers such as map update. However, given the buffer is
allowed to be uninitialized (since we fill it in the helper anyway),
it also means that the helper is obliged to wipe the memory in case
of an error in order to not allow for leaking uninitialized memory.
Given pop/peek is both handled inside __{stack,queue}_map_get(),
lets wipe it there on error case, that is, empty stack/queue.
Fixes: f1a2e44a3aec ("bpf: add queue and stack maps")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Cc: Mauricio Vasquez B <mauricio.vasquez@polito.it>
Acked-by: Mauricio Vasquez B<mauricio.vasquez@polito.it>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Commit f1a2e44a3aec ("bpf: add queue and stack maps") probably just
copy-pasted .pkt_access for bpf_map_{pop,peek}_elem() helpers, but
this is buggy in this context since it would allow writes into cloned
skbs which is invalid. Therefore, disable .pkt_access for the two.
Fixes: f1a2e44a3aec ("bpf: add queue and stack maps")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Cc: Mauricio Vasquez B <mauricio.vasquez@polito.it>
Acked-by: Mauricio Vasquez B<mauricio.vasquez@polito.it>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Commit b39b5f411dcf ("bpf: add cg_skb_is_valid_access for
BPF_PROG_TYPE_CGROUP_SKB") added direct packet access for skbs in
cg_skb program types, however allowed access type was not added to
the may_access_direct_pkt_data() helper. Therefore the latter always
returns false. This is not directly an issue, it just means writes
are unconditionally disabled (which is correct) but also reads.
Latter is relevant in this function when BPF helpers may read direct
packet data which is unconditionally disabled then. Fix it by properly
adding BPF_PROG_TYPE_CGROUP_SKB to may_access_direct_pkt_data().
Fixes: b39b5f411dcf ("bpf: add cg_skb_is_valid_access for BPF_PROG_TYPE_CGROUP_SKB")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Commit d58e468b1112 ("flow_dissector: implements flow dissector BPF
hook") added direct packet access for skbs in may_access_direct_pkt_data()
function where this enables read and write access to the skb->data. This
is buggy because without a prologue generator such as bpf_unclone_prologue()
we would allow for writing into cloned skbs. Original intention might have
been to only allow read access where this is not needed (similar as the
flow_dissector_func_proto() indicates which enables only bpf_skb_load_bytes()
as well), therefore this patch fixes it to restrict to read-only.
Fixes: d58e468b1112 ("flow_dissector: implements flow dissector BPF hook")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Cc: Petar Penkov <ppenkov@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Commit b39b5f411dcf ("bpf: add cg_skb_is_valid_access for
BPF_PROG_TYPE_CGROUP_SKB") added support for returning pkt pointers
for direct packet access. Given this program type is allowed for both
unprivileged and privileged users, we shouldn't allow unprivileged
ones to use it, e.g. besides others one reason would be to avoid any
potential speculation on the packet test itself, thus guard this for
root only.
Fixes: b39b5f411dcf ("bpf: add cg_skb_is_valid_access for BPF_PROG_TYPE_CGROUP_SKB")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Given BPF_PROG_TYPE_CGROUP_SKB program types are also valid in an
unprivileged setting, lets not omit these tests and potentially
have issues fall through the cracks. Make this more obvious by
adding a small test_as_unpriv() helper.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
The cleanup path will put the target net when netnsid is set. So we must
reset netnsid if the input is invalid.
Fixes: d7e38611b81e ("net/ipv4: Put target net when address dump fails due to bad attributes")
Fixes: 242afaa6968c ("net/ipv6: Put target net when address dump fails due to bad attributes")
Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The SPI dependency does not apply to lan743x driver, and other
drivers in the group already state their dependence on SPI.
Signed-off-by: Bryan Whitehead <Bryan.Whitehead@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Drivers using generic NAPI interface no longer need to include
<net/busy_poll.h>, since busy polling was moved to core networking
stack long ago.
See commit 79e7fff47b7b ("net: remove support for per driver
ndo_busy_poll()") for reference.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This driver got missed during the recent change of .features from a
u32 to a pointer to a Linux bitmap. Change the initialisation from 0
to PHY_10GBIT_FEATURES so removing the danger of a NULL pointer
dereference.
Fixes: 719655a14971 ("net: phy: Replace phy driver features u32 with link_mode bitmap")
Reported-by: Jose Abreu <jose.abreu@synopsys.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
It was reported that WoL from S5 is broken (WoL from S3 works) and the
analysis showed that during system shutdown the network interface was
brought down already when the actual kernel shutdown started.
Therefore netif_running() returned false and as a consequence the PHY
was suspended. Obviously WoL wasn't working then.
To fix this the original patch needs to be effectively reverted.
A side effect is that when normally bringing down the interface and
WoL is enabled the PHY will remain powered on (like it was before the
original patch).
Fixes: fe87bef01f9b ("r8169: don't check WoL when powering down PHY and interface is down")
Reported-by: Neil MacLeod <neil@nmacleod.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Wenwen Wang reported:
In btf_parse(), the header of the user-space btf data 'btf_data'
is firstly parsed and verified through btf_parse_hdr().
In btf_parse_hdr(), the header is copied from user-space 'btf_data'
to kernel-space 'btf->hdr' and then verified. If no error happens
during the verification process, the whole data of 'btf_data',
including the header, is then copied to 'data' in btf_parse(). It
is obvious that the header is copied twice here. More importantly,
no check is enforced after the second copy to make sure the headers
obtained in these two copies are same. Given that 'btf_data' resides
in the user space, a malicious user can race to modify the header
between these two copies. By doing so, the user can inject
inconsistent data, which can cause undefined behavior of the
kernel and introduce potential security risk.
This issue is similar to the one fixed in commit 8af03d1ae2e1 ("bpf:
btf: Fix a missing check bug"). To fix it, this patch copies the user
'btf_data' *before* parsing / verifying the BTF header.
Fixes: 69b693f0aefa ("bpf: btf: Introduce BPF Type Format (BTF)")
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Co-developed-by: Wenwen Wang <wang6495@umn.edu>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
BPF sockmap and hashmap are dependent on CONFIG_BPF_STREAM_PARSER and
xskmap is dependent on CONFIG_XDP_SOCKETS
Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
The dev_map_notification() removes interface in devmap if
unregistering interface's ifindex is same.
But only checking ifindex is not enough because other netns can have
same ifindex. so that wrong interface selection could occurred.
Hence netdev pointer comparison code is added.
v2: compare netdev pointer instead of using net_eq() (Daniel Borkmann)
v1: Initial patch
Fixes: 2ddf71e23cc2 ("net: add notifier hooks for devmap bpf map")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Pull LoadPin updates from James Morris:
"From Kees: This is a small reporting improvement and the param change
needed for the ordering series (but since the loadpin change is
desired and separable, I'm putting it here)"
* 'next-loadpin' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
LoadPin: Rename boot param "enabled" to "enforce"
LoadPin: Report friendly block device name
Pull smack updates from James Morris:
"From Casey: three patches for Smack for 4.20. Two clean up warnings
and one is a rarely encountered ptrace capability check"
* 'next-smack' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
Smack: Mark expected switch fall-through
Smack: ptrace capability use fixes
Smack: remove set but not used variable 'root_inode'
Pull TPM updates from James Morris:
"From Jarkko: The only new feature is non-blocking operation for
/dev/tpm0"
* 'next-tpm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
tpm: Restore functionality to xen vtpm driver.
tpm: add support for nonblocking operation
tpm: add ptr to the tpm_space struct to file_priv
tpm: Make SECURITYFS a weak dependency
tpm: suppress transmit cmd error logs when TPM 1.2 is disabled/deactivated
tpm: fix response size validation in tpm_get_random()
Pull integrity updates from James Morris:
"From Mimi: This contains a couple of bug fixes, including one for a
recent problem with calculating file hashes on overlayfs, and some
code cleanup"
* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
MAINTAINERS: add Jarkko as maintainer for trusted keys
ima: open a new file instance if no read permissions
ima: fix showing large 'violations' or 'runtime_measurements_count'
security/integrity: remove unnecessary 'init_keyring' variable
security/integrity: constify some read-only data
vfs: require i_size <= SIZE_MAX in kernel_read_file()
Pull more ->lookup() cleanups from Al Viro:
"Some ->lookup() instances are still overcomplicating the life
for themselves, open-coding the stuff that would be handled by
d_splice_alias() just fine.
Simplify a couple of such cases caught this cycle and document
d_splice_alias() intended use"
* 'work.lookup' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
Document d_splice_alias() calling conventions for ->lookup() users.
simplify btrfs_lookup()
clean erofs_lookup()
Pull alpha syscall glue updates from Al Viro:
"Two old patches making alpha syscall glue a bit less mysterious"
* 'work.alpha' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
alpha: unify the glue for sigreturn-like syscalls
alpha: use alpha_ni_syscall only for syscall zero
Pull compat_ioctl fixes from Al Viro:
"A bunch of compat_ioctl fixes, mostly in bluetooth.
Hopefully, most of fs/compat_ioctl.c will get killed off over the next
few cycles; between this, tty series already merged and Arnd's work
this cycle ought to take a good chunk out of the damn thing..."
* 'work.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
hidp: fix compat_ioctl
hidp: constify hidp_connection_add()
cmtp: fix compat_ioctl
bnep: fix compat_ioctl
compat_ioctl: trim the pointless includes
Pull irq updates from Thomas Gleixner:
"The interrupt brigade came up with the following updates:
- Driver for the Marvell System Error Interrupt machinery
- Overhaul of the GIC-V3 ITS driver
- Small updates and fixes all over the place"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (31 commits)
genirq: Fix race on spurious interrupt detection
softirq: Fix typo in __do_softirq() comments
genirq: Fix grammar s/an /a /
irqchip/gic: Unify GIC priority definitions
irqchip/gic-v3: Remove acknowledge loop
dt-bindings/interrupt-controller: Add documentation for Marvell SEI controller
dt-bindings/interrupt-controller: Update Marvell ICU bindings
irqchip/irq-mvebu-icu: Add support for System Error Interrupts (SEI)
arm64: marvell: Enable SEI driver
irqchip/irq-mvebu-sei: Add new driver for Marvell SEI
irqchip/irq-mvebu-icu: Support ICU subnodes
irqchip/irq-mvebu-icu: Disociate ICU and NSR
irqchip/irq-mvebu-icu: Clarify the reset operation of configured interrupts
irqchip/irq-mvebu-icu: Fix wrong private data retrieval
dt-bindings/interrupt-controller: Fix Marvell ICU length in the example
genirq/msi: Allow creation of a tree-based irqdomain for platform-msi
dt-bindings: irqchip: renesas-irqc: Document r8a7744 support
dt-bindings: irqchip: renesas-irqc: Document R-Car E3 support
irqchip/pdc: Setup all edge interrupts as rising edge at GIC
irqchip/gic-v3-its: Allow use of LPI tables in reserved memory
...
The function nix_update_mce_list() is called from
nix_update_bcast_mce_list(), and a spin lock is held
here, so we should use GFP_ATOMIC instead.
Fixes: 4b05528ebf0c ("octeontx2-af: Update bcast list upon NIXLF alloc/free")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Socket buffer is not re-created when headroom is 2 and tailroom is 1.
Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull timekeeping updates from Thomas Gleixner:
"The timers and timekeeping departement provides:
- Another large y2038 update with further preparations for providing
the y2038 safe timespecs closer to the syscalls.
- An overhaul of the SHCMT clocksource driver
- SPDX license identifier updates
- Small cleanups and fixes all over the place"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (31 commits)
tick/sched : Remove redundant cpu_online() check
clocksource/drivers/dw_apb: Add reset control
clocksource: Remove obsolete CLOCKSOURCE_OF_DECLARE
clocksource/drivers: Unify the names to timer-* format
clocksource/drivers/sh_cmt: Add R-Car gen3 support
dt-bindings: timer: renesas: cmt: document R-Car gen3 support
clocksource/drivers/sh_cmt: Properly line-wrap sh_cmt_of_table[] initializer
clocksource/drivers/sh_cmt: Fix clocksource width for 32-bit machines
clocksource/drivers/sh_cmt: Fixup for 64-bit machines
clocksource/drivers/sh_tmu: Convert to SPDX identifiers
clocksource/drivers/sh_mtu2: Convert to SPDX identifiers
clocksource/drivers/sh_cmt: Convert to SPDX identifiers
clocksource/drivers/renesas-ostm: Convert to SPDX identifiers
clocksource: Convert to using %pOFn instead of device_node.name
tick/broadcast: Remove redundant check
RISC-V: Request newstat syscalls
y2038: signal: Change rt_sigtimedwait to use __kernel_timespec
y2038: socket: Change recvmmsg to use __kernel_timespec
y2038: sched: Change sched_rr_get_interval to use __kernel_timespec
y2038: utimes: Rework #ifdef guards for compat syscalls
...
The workqueue used for monitoring the hardware may run while the device
is already suspended. Fix this by using the freezable system workqueue
instead, cfr. commit 51e20d0e3a60cf46 ("thermal: Prevent polling from
happening during system suspend").
Fixes: 608567aac3206ae8 ("thermal: da9062/61: Thermal junction temperature monitoring driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
