Pull crypto updates from Herbert Xu:
"Algorithms:
- Add AES-NI/AVX/x86_64 implementation of SM4.
Drivers:
- Add Arm SMCCC TRNG based driver"
[ And obviously a lot of random fixes and updates - Linus]
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (84 commits)
crypto: sha512 - remove imaginary and mystifying clearing of variables
crypto: aesni - xts_crypt() return if walk.nbytes is 0
padata: Remove repeated verbose license text
crypto: ccp - Add support for new CCP/PSP device ID
crypto: x86/sm4 - add AES-NI/AVX2/x86_64 implementation
crypto: x86/sm4 - export reusable AESNI/AVX functions
crypto: rmd320 - remove rmd320 in Makefile
crypto: skcipher - in_irq() cleanup
crypto: hisilicon - check _PS0 and _PR0 method
crypto: hisilicon - change parameter passing of debugfs function
crypto: hisilicon - support runtime PM for accelerator device
crypto: hisilicon - add runtime PM ops
crypto: hisilicon - using 'debugfs_create_file' instead of 'debugfs_create_regset32'
crypto: tcrypt - add GCM/CCM mode test for SM4 algorithm
crypto: testmgr - Add GCM/CCM mode test of SM4 algorithm
crypto: tcrypt - Fix missing return value check
crypto: hisilicon/sec - modify the hardware endian configuration
crypto: hisilicon/sec - fix the abnormal exiting process
crypto: qat - store vf.compatible flag
crypto: qat - do not export adf_iov_putmsg()
...
Pull RCU updates from Paul McKenney:
"RCU changes for this cycle were:
- Documentation updates
- Miscellaneous fixes
- Offloaded-callbacks updates
- Updates to the nolibc library
- Tasks-RCU updates
- In-kernel torture-test updates
- Torture-test scripting, perhaps most notably the pinning of
torture-test guest OSes so as to force differences in memory
latency. For example, in a two-socket system, a four-CPU guest OS
will have one pair of its CPUs pinned to threads in a single core
on one socket and the other pair pinned to threads in a single core
on the other socket. This approach proved able to force race
conditions that earlier testing missed. Some of these race
conditions are still being tracked down"
* 'core-rcu.2021.08.28a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (61 commits)
torture: Replace deprecated CPU-hotplug functions.
rcu: Replace deprecated CPU-hotplug functions
rcu: Print human-readable message for schedule() in RCU reader
rcu: Explain why rcu_all_qs() is a stub in preemptible TREE RCU
rcu: Use per_cpu_ptr to get the pointer of per_cpu variable
rcu: Remove useless "ret" update in rcu_gp_fqs_loop()
rcu: Mark accesses in tree_stall.h
rcu: Make rcu_gp_init() and rcu_gp_fqs_loop noinline to conserve stack
rcu: Mark lockless ->qsmask read in rcu_check_boost_fail()
srcutiny: Mark read-side data races
rcu: Start timing stall repetitions after warning complete
rcu: Do not disable GP stall detection in rcu_cpu_stall_reset()
rcu/tree: Handle VM stoppage in stall detection
rculist: Unify documentation about missing list_empty_rcu()
rcu: Mark accesses to ->rcu_read_lock_nesting
rcu: Weaken ->dynticks accesses and updates
rcu: Remove special bit at the bottom of the ->dynticks counter
rcu: Fix stall-warning deadlock due to non-release of rcu_node ->lock
rcu: Fix to include first blocked task in stall warning
torture: Make kvm-test-1-run-qemu.sh check for reboot loops
...
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Merge tag 'locks-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull file locking updates from Jeff Layton:
"This starts with a couple of fixes for potential deadlocks in the
fowner/fasync handling.
The next patch removes the old mandatory locking code from the kernel
altogether.
The last patch cleans up rw_verify_area a bit more after the mandatory
locking removal"
* tag 'locks-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
fs: clean up after mandatory file locking support removal
fs: remove mandatory file locking support
fcntl: fix potential deadlock for &fasync_struct.fa_lock
fcntl: fix potential deadlocks for &fown_struct.lock
Specifically document the new/clarified rules around how the shared
fences do not have any ordering requirements against the exclusive
fence.
But also document all the things a bit better, given how central
struct dma_resv to dynamic buffer management the docs have been very
inadequat.
- Lots more links to other pieces of the puzzle. Unfortunately
ttm_buffer_object has no docs, so no links :-(
- Explain/complain a bit about dma_resv_locking_ctx(). I still don't
like that one, but fixing the ttm call chains is going to be
horrible. Plus we want to plug in real slowpath locking when we do
that anyway.
- Main part of the patch is some actual docs for struct dma_resv.
Overall I think we still have a lot of bad naming in this area (e.g.
dma_resv.fence is singular, but contains the multiple shared fences),
but I think that's more indicative of how the semantics and rules are
just not great.
Another thing that's real awkard is how chaining exclusive fences
right now means direct dma_resv.exclusive_fence pointer access with an
rcu_assign_pointer. Not so great either.
v2:
- Fix a pile of typos (Matt, Jason)
- Hammer it in that breaking the rules leads to use-after-free issues
around dma-buf sharing (Christian)
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Link: https://patchwork.freedesktop.org/patch/msgid/20210805104705.862416-21-daniel.vetter@ffwll.ch
A quiet release for SPI, some fixes and a couple of new drivers
plus one small refactoring:
- Move the chip select timing configuration from the controller
to the device to allow a bit more flexibility.
- New drivers for Rockchip SFC and Spreadtrum ADI.
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Merge tag 'spi-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A quiet release for SPI, some fixes and a couple of new drivers plus
one small refactoring:
- Move the chip select timing configuration from the controller to
the device to allow a bit more flexibility
- New drivers for Rockchip SFC and Spreadtrum ADI"
* tag 'spi-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (47 commits)
spi: spi-zynq-qspi: use wait_for_completion_timeout to make zynq_qspi_exec_mem_op not interruptible
spi: add sprd ADI for sc9863 and ums512
spi: Convert sprd ADI bindings to yaml
spi: sprd: Add ADI r3 support
spi: sprd: Fix the wrong WDG_LOAD_VAL
spi: davinci: invoke chipselect callback
spi: sprd: fill offset only to RD_CMD register for reading from slave device
spi: sprd: Make sure offset not equal to slave address size
spi: sprd: Pass offset instead of physical address to adi_read/_write()
spi: rockchip-sfc: Fix assigned but never used return error codes
spi: rockchip-sfc: Remove redundant IO operations
spi: stm32: fix excluded_middle.cocci warnings
spi: coldfire-qspi: Use clk_disable_unprepare in the remove function
spi: tegra20-slink: remove spi_master_put() in tegra_slink_remove()
spi: rockchip-sfc: add rockchip serial flash controller
spi: rockchip-sfc: Bindings for Rockchip serial flash controller
spi: orion: Prevent incorrect chip select behaviour
spi: mxic: add missing braces
spi: spi-pic32: Fix issue with uninitialized dma_slave_config
spi: spi-fsl-dspi: Fix issue with uninitialized dma_slave_config
...
A very quiet releases, some fixes and cleanups but not really
that many of them. There were a couple of new driver specific
pieces:
- Support for controlling the over/under voltage protection on
BD718xx devices.
- New drivers for Richtek RTQ2134, and RTQ6752.
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Merge tag 'regulator-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"A very quiet releases, some fixes and cleanups but not really that
many of them. There were a couple of new driver specific pieces:
- Support for controlling the over/under voltage protection on
BD718xx devices
- New drivers for Richtek RTQ2134, and RTQ6752"
* tag 'regulator-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (37 commits)
regulator: vctrl: Avoid lockdep warning in enable/disable ops
regulator: vctrl: Use locked regulator_get_voltage in probe path
regulator: Documentation fix for regulator error notification helper
regulator: Minor regulator documentation fixes.
regulator: sy7636a: Use the regmap directly
regulator: sy7636a: Store the epd-pwr-good GPIO locally
regulator: sy7636a: Use the parent driver data
regulator: sy7636a: Remove the poll_enable_time
regulator: sy8827n: Enable REGCACHE_FLAT
regulator: sy8824x: Enable REGCACHE_FLAT
regulator: rtq2134: Fix coding style
regulator: hi6421v600: rename voltage range arrays
regulator: hi6421v600: use lowercase for ldo
regulator: fixed: use dev_err_probe for register
regulator: rtq2134: Add support for Richtek RTQ2134 SubPMIC
regulator: rtq2134: Add binding document for Richtek RTQ2134 SubPMIC
regulator: Fix a couple of spelling mistakes in Kconfig
regulator: rtq6752: fix reg reset behavior
regulator: da9063: Add support for full-current mode.
regulator: rt6245: make a const array func_base static, makes object smaller
...
A few small fixes for regmaps this time, plus support for
allowing drivers to select raw spinlocks for the locks in order
to allow usage in interrutpt controllers.
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Merge tag 'regmap-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"A few small fixes for regmaps this time, plus support for allowing
drivers to select raw spinlocks for the locks in order to allow usage
in interrutpt controllers"
* tag 'regmap-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: teach regmap to use raw spinlocks if requested in the config
regmap: allow const array for {devm_,}regmap_field_bulk_alloc reg_fields
regmap: Prefer unsigned int to bare use of unsigned
regmap: fix the offset of register error log
* pm-pci:
PCI: PM: Enable PME if it can be signaled from D3cold
PCI: PM: Avoid forcing PCI_D0 for wakeup reasons inconsistently
PCI: Use pci_update_current_state() in pci_enable_device_flags()
* pm-sleep:
PM: sleep: unmark 'state' functions as kernel-doc
PM: sleep: check RTC features instead of ops in suspend_test
PM: sleep: s2idle: Replace deprecated CPU-hotplug functions
* pm-domains:
PM: domains: Fix domain attach for CONFIG_PM_OPP=n
arm64: dts: sc7180: Add required-opps for i2c
PM: domains: Add support for 'required-opps' to set default perf state
opp: Don't print an error if required-opps is missing
* powercap:
powercap: Add Power Limit4 support for Alder Lake SoC
powercap: intel_rapl: Replace deprecated CPU-hotplug functions
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Merge tag 'hole_punch_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fs hole punching vs cache filling race fixes from Jan Kara:
"Fix races leading to possible data corruption or stale data exposure
in multiple filesystems when hole punching races with operations such
as readahead.
This is the series I was sending for the last merge window but with
your objection fixed - now filemap_fault() has been modified to take
invalidate_lock only when we need to create new page in the page cache
and / or bring it uptodate"
* tag 'hole_punch_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
filesystems/locking: fix Malformed table warning
cifs: Fix race between hole punch and page fault
ceph: Fix race between hole punch and page fault
fuse: Convert to using invalidate_lock
f2fs: Convert to using invalidate_lock
zonefs: Convert to using invalidate_lock
xfs: Convert double locking of MMAPLOCK to use VFS helpers
xfs: Convert to use invalidate_lock
xfs: Refactor xfs_isilocked()
ext2: Convert to using invalidate_lock
ext4: Convert to use mapping->invalidate_lock
mm: Add functions to lock invalidate_lock for two mappings
mm: Protect operations adding pages to page cache with invalidate_lock
documentation: Sync file_operations members with reality
mm: Fix comments mentioning i_mutex
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Merge tag 'fiemap_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull FIEMAP cleanups from Jan Kara:
"FIEMAP cleanups from Christoph transitioning all remaining filesystems
supporting FIEMAP (ext2, hpfs) to iomap API and removing the old
helper"
* tag 'fiemap_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fs: remove generic_block_fiemap
hpfs: use iomap_fiemap to implement ->fiemap
ext2: use iomap_fiemap to implement ->fiemap
ext2: make ext2_iomap_ops available unconditionally
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Merge tag 'fsnotify_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify updates from Jan Kara:
"fsnotify speedups when notification actually isn't used and support
for identifying processes which caused fanotify events through pidfd
instead of normal pid"
* tag 'fsnotify_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fsnotify: optimize the case of no marks of any type
fsnotify: count all objects with attached connectors
fsnotify: count s_fsnotify_inode_refs for attached connectors
fsnotify: replace igrab() with ihold() on attach connector
fanotify: add pidfd support to the fanotify API
fanotify: introduce a generic info record copying helper
fanotify: minor cosmetic adjustments to fid labels
kernel/pid.c: implement additional checks upon pidfd_create() parameters
kernel/pid.c: remove static qualifier from pidfd_create()
From Maor Gottlieb
====================
Fix the use of nents and orig_nents in the sg table append helpers. The
nents should be used by the DMA layer to store the number of DMA mapped
sges, the orig_nents is the number of CPU sges.
Since the sg append logic doesn't always create a SGL with exactly
orig_nents entries store a total_nents as well to allow the table to be
properly free'd and reorganize the freeing logic to share across all the
use cases.
====================
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
* 'sg_nents':
RDMA: Use the sg_table directly and remove the opencoded version from umem
lib/scatterlist: Fix wrong update of orig_nents
lib/scatterlist: Provide a dedicated function to support table append
Also add a stat counter for this that gets exported both via old /proc
interface and ctnetlink.
Assuming the old default size of 16536 buckets and max hash occupancy of
64k, this results in 128k insertions (origin+reply), so ~8 entries per
chain on average.
The revised settings in this series will result in about two entries per
bucket on average.
This allows a hard-limit ceiling of 64.
This is not tunable at the moment, but its possible to either increase
nf_conntrack_buckets or decrease nf_conntrack_max to reduce average
lengths.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Second, and most likely last, set of patches for v5.15. Lots of
iwlwifi patches this time, but smaller changes to other drivers as
well. Nothing special standing out.
Major changes:
rtw88
* add quirk to disable pci caps on HP Pavilion 14-ce0xxx
brcmfmac
* Add WPA3 Personal with FT to supported cipher suites
wcn36xx
* allow firmware name to be overridden by DT
iwlwifi
* support scanning hidden 6GHz networks
* support for a new hardware family (Bz)
* support for new firmware API versions
mwifiex
* add reset_d3cold quirk for Surface gen4+ devices
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Merge tag 'wireless-drivers-next-2021-08-29' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
pull-request: wireless-drivers-next-2021-08-29
here's a pull request to net-next tree, more info below. Please let me know if
there are any problems.
wireless-drivers-next patches for v5.15
Second, and most likely last, set of patches for v5.15. Lots of
iwlwifi patches this time, but smaller changes to other drivers as
well. Nothing special standing out.
Major changes:
rtw88
* add quirk to disable pci caps on HP Pavilion 14-ce0xxx
brcmfmac
* Add WPA3 Personal with FT to supported cipher suites
wcn36xx
* allow firmware name to be overridden by DT
iwlwifi
* support scanning hidden 6GHz networks
* support for a new hardware family (Bz)
* support for new firmware API versions
mwifiex
* add reset_d3cold quirk for Surface gen4+ devices
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add DMA_SLAVE_BUSWIDTH_128_BYTES to dma_slave_width for DMA engines
and users to select 128 bytes as bus width.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210806095322.2326-3-biju.das.jz@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
./include/linux/ssb/ssb_driver_extif.h:200:8-9:WARNING: return of 0/1 in
function 'ssb_extif_available' with return type bool
Return statements in functions returning bool should use true/false
instead of 1/0.
Generated by: scripts/coccinelle/misc/boolreturn.cocci
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Jing Yangyang <jing.yangyang@zte.com.cn>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210824061341.59255-1-deng.changcheng@zte.com.cn
The SSB header only uses the legacy <linux/gpio.h> header to get
struct gpio_chip so inluce <linux/gpio/driver.h> which is the right
include to deal with gpio_chip.
Cc: Michael Buesch <m@bues.ch>
Cc: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210821235800.138817-1-linus.walleij@linaro.org
The recursion protection for eventfd_signal() is based on a per CPU
variable and relies on the !RT semantics of spin_lock_irqsave() for
protecting this per CPU variable. On RT kernels spin_lock_irqsave() neither
disables preemption nor interrupts which allows the spin lock held section
to be preempted. If the preempting task invokes eventfd_signal() as well,
then the recursion warning triggers.
Paolo suggested to protect the per CPU variable with a local lock, but
that's heavyweight and actually not necessary. The goal of this protection
is to prevent the task stack from overflowing, which can be achieved with a
per task recursion protection as well.
Replace the per CPU variable with a per task bit similar to other recursion
protection bits like task_struct::in_page_owner. This works on both !RT and
RT kernels and removes as a side effect the extra per CPU storage.
No functional change for !RT kernels.
Reported-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/87wnp9idso.ffs@tglx
Yellow carp matches same behavior as green sardine and other Zen3
products, but have different CCD offsets.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20210827201527.24454-3-mario.limonciello@amd.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
If we are adding new transports via rpc_clnt_test_and_add_xprt()
then check if we've reached the limit. Currently only pnfs path
adds transports via that function but this is done in
preparation when the client would add new transports when
session trunking is detected. A warning is logged if the
limit is reached.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This option will control up to how many xprts can the client
establish to the server with a distinct address (that means
nconnect connections are not counted towards this new limit).
This patch is setting up nfs structures to keeep track of the
max_connect limit (does not enforce it).
The default value is kept at 1 so that no current mounts that
don't want any additional connections would be effected. The
maximum value is set at 16.
Mounts to DS are not limited to default value of 1 but instead
set to the maximum default value of 16 (NFS_MAX_TRANSPORTS).
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Currently, xprt_switch keeps a number of all xprts (xps_nxprts)
that were added to the switch regardless of whethere it's an
nconnect transport or a transport to a trunkable address.
Introduce a new counter to keep track of transports to unique
destination addresses per xprt_switch.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This reverts commit 0092a1e3f7
This should be reverted in the char-misc-next branch to make merging
with Linus's branch possible due to issues with the mhi code that was
found in the networking tree.
Link: https://lore.kernel.org/r/20210827175852.GB15018@thinkpad
Reported-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Bhaumik Bhatt <bbhatt@codeaurora.org>
Cc: Hemant Kumar <hemantk@codeaurora.org>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Loic Poulain <loic.poulain@linaro.org>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A common implementation of isatty(3) involves calling a ioctl passing
a dummy struct argument and checking whether the syscall failed --
bionic and glibc use TCGETS (passing a struct termios), and musl uses
TIOCGWINSZ (passing a struct winsize). If the FD is a socket, we will
copy sizeof(struct ifreq) bytes of data from the argument and return
-EFAULT if that fails. The result is that the isatty implementations
may return a non-POSIX-compliant value in errno in the case where part
of the dummy struct argument is inaccessible, as both struct termios
and struct winsize are smaller than struct ifreq (at least on arm64).
Although there is usually enough stack space following the argument
on the stack that this did not present a practical problem up to now,
with MTE stack instrumentation it's more likely for the copy to fail,
as the memory following the struct may have a different tag.
Fix the problem by adding an early check for whether the ioctl is a
valid socket ioctl, and return -ENOTTY if it isn't.
Fixes: 44c02a2c3d ("dev_ioctl(): move copyin/copyout to callers")
Link: https://linux-review.googlesource.com/id/I869da6cf6daabc3e4b7b82ac979683ba05e27d4d
Signed-off-by: Peter Collingbourne <pcc@google.com>
Cc: <stable@vger.kernel.org> # 4.19
Signed-off-by: David S. Miller <davem@davemloft.net>
While unplugging a device the TTM shrinker implementation
needs a barrier to make sure that all concurrent shrink
operations are done and no other CPU is referring to a
device specific pool any more.
Taking and releasing the shrinker semaphore on the write
side after unmapping and freeing all pages from the device
pool should make sure that no shrinker is running in
paralell.
This allows us to avoid the contented mutex in the TTM pool
implementation for every alloc/free operation.
v2: rework the commit message to make clear why we need this
v3: rename the function and add more doc as suggested by Daniel
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210820120528.81114-2-christian.koenig@amd.com
All callers already have a dax_device obtained from fs_dax_get_by_bdev
at hand, so just pass that to dax_supported() insted of doing another
lookup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/20210826135510.6293-10-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
dax_supported calls into ->dax_supported which checks for fsdax support.
Don't bother building it for !CONFIG_FS_DAX as it will always return
false.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/20210826135510.6293-8-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Just implement generic_fsdax_supported directly out of line instead of
adding a wrapper. Given that generic_fsdax_supported is only supplied
for CONFIG_FS_DAX builds this also allows to not provide it at all for
!CONFIG_FS_DAX builds.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/20210826135510.6293-7-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
And move the code around a bit to avoid a forward declaration.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/20210826135510.6293-5-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Current release - regressions:
- stmmac: revert "stmmac: align RX buffers"
- usb: asix: ax88772: move embedded PHY detection as early as possible
- usb: asix: do not call phy_disconnect() for ax88178
- Revert "net: really fix the build...", from Kalle to fix QCA6390
Current release - new code bugs:
- phy: mediatek: add the missing suspend/resume callbacks
Previous releases - regressions:
- qrtr: fix another OOB Read in qrtr_endpoint_post
- stmmac: dwmac-rk: fix unbalanced pm_runtime_enable warnings
Previous releases - always broken:
- inet: use siphash in exception handling
- ip_gre: add validation for csum_start
- bpf: fix ringbuf helper function compatibility
- rtnetlink: return correct error on changing device netns
- e1000e: do not try to recover the NVM checksum on Tiger Lake
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes, including fixes from can and bpf.
Closing three hw-dependent regressions. Any fixes of note are in the
'old code' category. Nothing blocking release from our perspective.
Current release - regressions:
- stmmac: revert "stmmac: align RX buffers"
- usb: asix: ax88772: move embedded PHY detection as early as
possible
- usb: asix: do not call phy_disconnect() for ax88178
- Revert "net: really fix the build...", from Kalle to fix QCA6390
Current release - new code bugs:
- phy: mediatek: add the missing suspend/resume callbacks
Previous releases - regressions:
- qrtr: fix another OOB Read in qrtr_endpoint_post
- stmmac: dwmac-rk: fix unbalanced pm_runtime_enable warnings
Previous releases - always broken:
- inet: use siphash in exception handling
- ip_gre: add validation for csum_start
- bpf: fix ringbuf helper function compatibility
- rtnetlink: return correct error on changing device netns
- e1000e: do not try to recover the NVM checksum on Tiger Lake"
* tag 'net-5.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (43 commits)
Revert "net: really fix the build..."
net: hns3: fix get wrong pfc_en when query PFC configuration
net: hns3: fix GRO configuration error after reset
net: hns3: change the method of getting cmd index in debugfs
net: hns3: fix duplicate node in VLAN list
net: hns3: fix speed unknown issue in bond 4
net: hns3: add waiting time before cmdq memory is released
net: hns3: clear hardware resource when loading driver
net: fix NULL pointer reference in cipso_v4_doi_free
rtnetlink: Return correct error on changing device netns
net: dsa: hellcreek: Adjust schedule look ahead window
net: dsa: hellcreek: Fix incorrect setting of GCL
cxgb4: dont touch blocked freelist bitmap after free
ipv4: use siphash instead of Jenkins in fnhe_hashfun()
ipv6: use siphash in rt6_exception_hash()
can: usb: esd_usb2: esd_usb2_rx_event(): fix the interchange of the CAN RX and TX error counters
net: usb: asix: ax88772: fix boolconv.cocci warnings
net/sched: ets: fix crash when flipping from 'strict' to 'quantum'
qede: Fix memset corruption
net: stmmac: fix kernel panic due to NULL pointer dereference of buf->xdp
...
In the reexport case, nfsd is currently passing along locks with the
reclaim bit set. The client sends a new lock request, which is granted
if there's currently no conflict--even if it's possible a conflicting
lock could have been briefly held in the interim.
We don't currently have any way to safely grant reclaim, so for now
let's just deny them all.
I'm doing this by passing the reclaim bit to nfs and letting it fail the
call, with the idea that eventually the client might be able to do
something more forgiving here.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Acked-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
NFS implements blocking locks by blocking inside its lock method. In
the reexport case, this blocks the nfs server thread, which could lead
to deadlocks since an nfs server thread might be required to unlock the
conflicting lock. It also causes a crash, since the nfs server thread
assumes it can free the lock when its lm_notify lock callback is called.
Ideal would be to make the nfs lock method return without blocking in
this case, but for now it works just not to attempt blocking locks. The
difference is just that the original client will have to poll (as it
does in the v4.0 case) instead of getting a callback when the lock's
available.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Acked-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Some systems, e.g., HiSilicon KunPeng920 and KunPeng930, have devices that
appear as PCI but are actually on the AMBA bus. Some of these fake PCI
devices support a PASID-like feature and they do have a working PASID
capability even though they do not use the PCIe Transport Layer Protocol
and do not support TLP prefixes.
Add a pasid_no_tlp bit for this "PASID works without TLP prefixes" case and
update pci_enable_pasid() so it can enable PASID on these devices.
Set this bit for HiSilicon KunPeng920 and KunPeng930.
[bhelgaas: squashed, commit log]
Suggested-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/1626144876-11352-2-git-send-email-zhangfei.gao@linaro.org
Link: https://lore.kernel.org/r/1626144876-11352-3-git-send-email-zhangfei.gao@linaro.org
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
A typical code pattern for pm_clk_create() call is to call it in the
_probe function and to call pm_clk_destroy() both from _probe error path
and from _remove function. For some drivers the whole remove function
would consist of the call to pm_remove_disable().
Add helper function to replace this bolierplate piece of code. Calling
devm_pm_clk_create() removes the need for calling pm_clk_destroy() both
in the probe()'s error path and in the remove() function.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210731195034.979084-3-dmitry.baryshkov@linaro.org
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
A typical code pattern for pm_runtime_enable() call is to call it in the
_probe function and to call pm_runtime_disable() both from _probe error
path and from _remove function. For some drivers the whole remove
function would consist of the call to pm_remove_disable().
Add helper function to replace this bolierplate piece of code. Calling
devm_pm_runtime_enable() removes the need for calling
pm_runtime_disable() both in the probe()'s error path and in the
remove() function.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210731195034.979084-2-dmitry.baryshkov@linaro.org
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This reverts commit ce78ffa3ef.
Wren and Nicolas reported that ath11k was failing to initialise QCA6390
Wi-Fi 6 device with error:
qcom_mhi_qrtr: probe of mhi0_IPCR failed with error -22
Commit ce78ffa3ef ("net: really fix the build..."), introduced in
v5.14-rc5, caused this regression in qrtr. Most likely all ath11k
devices are broken, but I only tested QCA6390. Let's revert the broken
commit so that ath11k works again.
Reported-by: Wren Turkal <wt@penguintechs.org>
Reported-by: Nicolas Schichan <nschichan@freebox.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210826172816.24478-1-kvalo@codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Now that vfio_pci has been split into two source modules, one focusing on
the "struct pci_driver" (vfio_pci.c) and a toolbox library of code
(vfio_pci_core.c), complete the split and move them into two different
kernel modules.
As before vfio_pci.ko continues to present the same interface under sysfs
and this change will have no functional impact.
Splitting into another module and adding exports allows creating new HW
specific VFIO PCI drivers that can implement device specific
functionality, such as VFIO migration interfaces or specialized device
requirements.
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Link: https://lore.kernel.org/r/20210826103912.128972-14-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
