14 May, 2020
1 commit
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Whiteouts, unlike real device node should not require privileges to create.
The general concern with device nodes is that opening them can have side
effects. The kernel already avoids zero major (see
Documentation/admin-guide/devices.txt). To be on the safe side the patch
explicitly forbids registering a char device with 0/0 number (see
cdev_add()).This guarantees that a non-O_PATH open on a whiteout will fail with ENODEV;
i.e. it won't have any side effect.Signed-off-by: Miklos Szeredi
04 May, 2020
4 commits
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Pull more btrfs fixes from David Sterba:
"A few more stability fixes, minor build warning fixes and git url
fixup:- fix partial loss of prealloc extent past i_size after fsync
- fix potential deadlock due to wrong transaction handle passing via
journal_info- fix gcc 4.8 struct intialization warning
- update git URL in MAINTAINERS entry"
* tag 'for-5.7-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
MAINTAINERS: btrfs: fix git repo URL
btrfs: fix gcc-4.8 build warning for struct initializer
btrfs: transaction: Avoid deadlock due to bad initialization timing of fs_info::journal_info
btrfs: fix partial loss of prealloc extent past i_size after fsync -
Pull IOMMU fixes from Joerg Roedel:
- Fix a memory leak when dev_iommu gets freed and a sub-pointer does
not- Build dependency fixes for Mediatek, spapr_tce, and Intel IOMMU
driver- Export iommu_group_get_for_dev() only for GPLed modules
- Fix AMD IOMMU interrupt remapping when x2apic is enabled
- Fix error path in the QCOM IOMMU driver probe function
* tag 'iommu-fixes-v5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/qcom: Fix local_base status check
iommu: Properly export iommu_group_get_for_dev()
iommu/vt-d: Use right Kconfig option name
iommu/amd: Fix legacy interrupt remapping for x2APIC-enabled system
iommu: spapr_tce: Disable compile testing to fix build on book3s_32 config
iommu/mediatek: Fix MTK_IOMMU dependencies
iommu: Fix the memory leak in dev_iommu_free() -
The git repo listed for btrfs hasn't been updated in over a year.
List the current one instead.Signed-off-by: Eric Biggers
Reviewed-by: David Sterba
Signed-off-by: David Sterba
03 May, 2020
5 commits
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Pull power management fixes from Rafael Wysocki:
- prevent the intel_pstate driver from printing excessive diagnostic
messages in some cases (Chris Wilson)- make the hibernation restore kernel freeze kernel threads as well as
user space tasks (Dexuan Cui)- fix the ACPI device PM disagnostic messages to include the correct
power state name (Kai-Heng Feng).* tag 'pm-5.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: ACPI: Output correct message on target power state
PM: hibernate: Freeze kernel threads in software_resume()
cpufreq: intel_pstate: Only mention the BIOS disabling turbo mode once -
* pm-cpufreq:
cpufreq: intel_pstate: Only mention the BIOS disabling turbo mode once* pm-sleep:
PM: hibernate: Freeze kernel threads in software_resume() -
Pull iomap fix from Darrick Wong:
"Hoist the check for an unrepresentable FIBMAP return value into
ioctl_fibmap.The internal kernel function can handle 64-bit values (and is needed
to fix a regression on ext4 + jbd2). It is only the userspace ioctl
that is so old that it cannot deal"* tag 'iomap-5.7-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
fibmap: Warn and return an error in case of block > INT_MAX -
Pull NFS client bugfixes from Trond Myklebust:
"Highlights include:Stable fixes:
- fix handling of backchannel binding in BIND_CONN_TO_SESSIONBugfixes:
- Fix a credential use-after-free issue in pnfs_roc()
- Fix potential posix_acl refcnt leak in nfs3_set_acl
- defer slow parts of rpc_free_client() to a workqueue
- Fix an Oopsable race in __nfs_list_for_each_server()
- Fix trace point use-after-free race
- Regression: the RDMA client no longer responds to server disconnect
requests
- Fix return values of xdr_stream_encode_item_{present, absent}
- _pnfs_return_layout() must always wait for layoutreturn completionCleanups:
- Remove unreachable error conditions"* tag 'nfs-for-5.7-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: Fix a race in __nfs_list_for_each_server()
NFSv4.1: fix handling of backchannel binding in BIND_CONN_TO_SESSION
SUNRPC: defer slow parts of rpc_free_client() to a workqueue.
NFSv4: Remove unreachable error condition due to rpc_run_task()
SUNRPC: Remove unreachable error condition
xprtrdma: Fix use of xdr_stream_encode_item_{present, absent}
xprtrdma: Fix trace point use-after-free race
xprtrdma: Restore wake-up-all to rpcrdma_cm_event_handler()
nfs: Fix potential posix_acl refcnt leak in nfs3_set_acl
NFS/pnfs: Fix a credential use-after-free issue in pnfs_roc()
NFS/pnfs: Ensure that _pnfs_return_layout() waits for layoutreturn completion -
Pull dmaengine fixes from Vinod Koul:
"Core:
- Documentation typo fixes
- fix the channel indexes
- dmatest: fixes for process hang and iterationsDrivers:
- hisilicon: build error fix without PCI_MSI
- ti-k3: deadlock fix
- uniphier-xdmac: fix for reg region
- pch: fix data race
- tegra: fix clock state"* tag 'dmaengine-fix-5.7-rc4' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: dmatest: Fix process hang when reading 'wait' parameter
dmaengine: dmatest: Fix iteration non-stop logic
dmaengine: tegra-apb: Ensure that clock is enabled during of DMA synchronization
dmaengine: fix channel index enumeration
dmaengine: mmp_tdma: Reset channel error on release
dmaengine: mmp_tdma: Do not ignore slave config validation errors
dmaengine: pch_dma.c: Avoid data race between probe and irq handler
dt-bindings: dma: uniphier-xdmac: switch to single reg region
include/linux/dmaengine: Typos fixes in API documentation
dmaengine: xilinx_dma: Add missing check for empty list
dmaengine: ti: k3-psil: fix deadlock on error path
dmaengine: hisilicon: Fix build error without PCI_MSI
02 May, 2020
8 commits
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Pull VFIO fixes from Alex Williamson:
- copy_*_user validity check for new vfio_dma_rw interface (Yan Zhao)
- Fix a potential math overflow (Yan Zhao)
- Use follow_pfn() for calculating PFNMAPs (Sean Christopherson)
* tag 'vfio-v5.7-rc4' of git://github.com/awilliam/linux-vfio:
vfio/type1: Fix VA->PA translation for PFNMAP VMAs in vaddr_get_pfn()
vfio: avoid possible overflow in vfio_iommu_type1_pin_pages
vfio: checking of validity of user vaddr in vfio_dma_rw -
Pull arm64 fix from Catalin Marinas:
"Add -fasynchronous-unwind-tables to the vDSO CFLAGS"* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: vdso: Add -fasynchronous-unwind-tables to cflags -
Pull io_uring fixes from Jens Axboe:
- Fix for statx not grabbing the file table, making AT_EMPTY_PATH fail
- Cover a few cases where async poll can handle retry, eliminating the
need for an async thread- fallback request busy/free fix (Bijan)
- syzbot reported SQPOLL thread exit fix for non-preempt (Xiaoguang)
- Fix extra put of req for sync_file_range (Pavel)
- Always punt splice async. We'll improve this for 5.8, but wanted to
eliminate the inode mutex lock from the non-blocking path for 5.7
(Pavel)* tag 'io_uring-5.7-2020-05-01' of git://git.kernel.dk/linux-block:
io_uring: punt splice async because of inode mutex
io_uring: check non-sync defer_list carefully
io_uring: fix extra put in sync_file_range()
io_uring: use cond_resched() in io_ring_ctx_wait_and_kill()
io_uring: use proper references for fallback_req locking
io_uring: only force async punt if poll based retry can't handle it
io_uring: enable poll retry for any file with ->read_iter / ->write_iter
io_uring: statx must grab the file table for valid fd -
Pull block fixes from Jens Axboe:
"A few fixes for this release:- NVMe pull request from Christoph, with a single fix for a double
free in the namespace error handling.- Kill the bd_openers check in blk_drop_partitions(), fixing a
regression in this merge window (Christoph)"* tag 'block-5.7-2020-05-01' of git://git.kernel.dk/linux-block:
block: remove the bd_openers checks in blk_drop_partitions
nvme: prevent double free in nvme_alloc_ns() error handling -
Pull i2c fixes from Wolfram Sang:
"Three driver bugfixes, and two reverts because the original patches
revealed underlying problems which the Tegra guys are now working on"* 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: aspeed: Avoid i2c interrupt status clear race condition.
i2c: amd-mp2-pci: Fix Oops in amd_mp2_pci_init() error handling
Revert "i2c: tegra: Better handle case where CPU0 is busy for a long time"
Revert "i2c: tegra: Synchronize DMA before termination"
i2c: iproc: generate stop event for slave writes -
Pull sound fixes from Takashi Iwai:
"Just a collection of small fixes around this time:- One more try for fixing PCM OSS regression
- HD-audio: a new quirk for Lenovo, the improved driver blacklisting,
a lock fix in the minor error path, and a fix for the possible race
at monitor notifiaction- USB-audio: a quirk ID fix, a fix for POD HD500 workaround"
* tag 'sound-5.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: usb-audio: Correct a typo of NuPrime DAC-10 USB ID
ALSA: opti9xx: shut up gcc-10 range warning
ALSA: hda/hdmi: fix without unlocked before return
ALSA: hda/hdmi: fix race in monitor detection during probe
ALSA: hda/realtek - Two front mics on a Lenovo ThinkCenter
ALSA: line6: Fix POD HD500 audio playback
ALSA: pcm: oss: Place the plugin buffer overflow checks correctly (for 5.7)
ALSA: pcm: oss: Place the plugin buffer overflow checks correctly
ALSA: hda: Match both PCI ID and SSID for driver blacklist -
Pull drm fixes from Dave Airlie:
"Regular scheduled fixes for graphics. Nothing to extreme bunch of
amdgpu fixes, i915 and qxl fixes, along with some misc ones.All seems to be progressing normally.
core:
- EDID off by one DTD fix
- DP mst write return code fixdma-buf:
- fix SET_NAME ioctl uapi
- doc fixesamdgpu:
- Fix a green screen on resume issue
- PM fixes for SR-IOV SDMA fix for navi
- Renoir display fixes
- Cursor and pageflip stuttering fixes
- Misc additional display fixes
- (uapi) Add additional DCC tiling flags for navi1xi915:
- Fix selftest refcnt leak (Xiyu)
- Fix gem vma lock (Chris)
- Fix gt's i915_request.timeline acquire by checking if cacheline is
valid (Chris)
- Fix IRQ postinistall fault masks (Matt)qxl:
- use after gree fix
- fix lost kunmap
- release leak fixvirtio:
- context destruction fix"* tag 'drm-fixes-2020-05-01' of git://anongit.freedesktop.org/drm/drm: (26 commits)
dma-buf: fix documentation build warnings
drm/qxl: qxl_release use after free
drm/qxl: lost qxl_bo_kunmap_atomic_page in qxl_image_init_helper()
drm/i915: Use proper fault mask in interrupt postinstall too
drm/amd/display: Use cursor locking to prevent flip delays
drm/amd/display: Update downspread percent to match spreadsheet for DCN2.1
drm/amd/display: Defer cursor update around VUPDATE for all ASIC
drm/amd/display: fix rn soc bb update
drm/amd/display: check if REFCLK_CNTL register is present
drm/amdgpu: bump version for invalidate L2 before SDMA IBs
drm/amdgpu: invalidate L2 before SDMA IBs (v2)
drm/amdgpu: add tiling flags from Mesa
drm/amd/powerplay: avoid using pm_en before it is initialized revised
Revert "drm/amd/powerplay: avoid using pm_en before it is initialized"
drm/qxl: qxl_release leak in qxl_hw_surface_alloc()
drm/qxl: qxl_release leak in qxl_draw_dirty_fb()
drm/virtio: only destroy created contexts
drm/dp_mst: Fix drm_dp_send_dpcd_write() return code
drm/i915/gt: Check cacheline is valid before acquiring
drm/i915/gem: Hold obj->vma.lock over for_each_ggtt_vma()
... -
Pull SCSI fixes from James Bottomley:
"Four minor fixes: three in drivers and one in the core.The core one allows an additional state change that fixes a regression
introduced by an update to the aacraid driver in the previous merge
window"* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: target/iblock: fix WRITE SAME zeroing
scsi: qla2xxx: check UNLOADING before posting async work
scsi: qla2xxx: set UNLOADING before waiting for session deletion
scsi: core: Allow the state change from SDEV_QUIESCE to SDEV_BLOCK
01 May, 2020
22 commits
-
Nonblocking do_splice() still may wait for some time on an inode mutex.
Let's play safe and always punt it async.Reported-by: Jens Axboe
Signed-off-by: Pavel Begunkov
Signed-off-by: Jens Axboe -
io_req_defer() do double-checked locking. Use proper helpers for that,
i.e. list_empty_careful().Signed-off-by: Pavel Begunkov
Signed-off-by: Jens Axboe -
[ 40.179474] refcount_t: underflow; use-after-free.
[ 40.179499] WARNING: CPU: 6 PID: 1848 at lib/refcount.c:28 refcount_warn_saturate+0xae/0xf0
...
[ 40.179612] RIP: 0010:refcount_warn_saturate+0xae/0xf0
[ 40.179617] Code: 28 44 0a 01 01 e8 d7 01 c2 ff 0f 0b 5d c3 80 3d 15 44 0a 01 00 75 91 48 c7 c7 b8 f5 75 be c6 05 05 44 0a 01 01 e8 b7 01 c2 ff 0b 5d c3 80 3d f3 43 0a 01 00 0f 85 6d ff ff ff 48 c7 c7 10 f6
[ 40.179619] RSP: 0018:ffffb252423ebe18 EFLAGS: 00010286
[ 40.179623] RAX: 0000000000000000 RBX: ffff98d65e929400 RCX: 0000000000000000
[ 40.179625] RDX: 0000000000000001 RSI: 0000000000000086 RDI: 00000000ffffffff
[ 40.179627] RBP: ffffb252423ebe18 R08: 0000000000000001 R09: 000000000000055d
[ 40.179629] R10: 0000000000000c8c R11: 0000000000000001 R12: 0000000000000000
[ 40.179631] R13: ffff98d68c434400 R14: ffff98d6a9cbaa20 R15: ffff98d6a609ccb8
[ 40.179634] FS: 0000000000000000(0000) GS:ffff98d6af580000(0000) knlGS:0000000000000000
[ 40.179636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 40.179638] CR2: 00000000033e3194 CR3: 000000006480a003 CR4: 00000000003606e0
[ 40.179641] Call Trace:
[ 40.179652] io_put_req+0x36/0x40
[ 40.179657] io_free_work+0x15/0x20
[ 40.179661] io_worker_handle_work+0x2f5/0x480
[ 40.179667] io_wqe_worker+0x2a9/0x360
[ 40.179674] ? _raw_spin_unlock_irqrestore+0x24/0x40
[ 40.179681] kthread+0x12c/0x170
[ 40.179685] ? io_worker_handle_work+0x480/0x480
[ 40.179690] ? kthread_park+0x90/0x90
[ 40.179695] ret_from_fork+0x35/0x40
[ 40.179702] ---[ end trace 85027405f00110aa ]---Opcode handler must never put submission ref, but that's what
io_sync_file_range_finish() do. use io_steal_work() there.Signed-off-by: Pavel Begunkov
Signed-off-by: Jens Axboe -
The function qcom_iommu_device_probe() does not perform sufficient
error checking after executing devm_ioremap_resource(), which can
result in crashes if a critical error path is encountered.Fixes: 0ae349a0f33f ("iommu/qcom: Add qcom_iommu")
Signed-off-by: Tang Bin
Reviewed-by: Bjorn Andersson
Link: https://lore.kernel.org/r/20200418134703.1760-1-tangbin@cmss.chinamobile.com
Signed-off-by: Joerg Roedel -
In commit a7ba5c3d008d ("drivers/iommu: Export core IOMMU API symbols to
permit modular drivers") a bunch of iommu symbols were exported, all
with _GPL markings except iommu_group_get_for_dev(). That export should
also be _GPL like the others.Fixes: a7ba5c3d008d ("drivers/iommu: Export core IOMMU API symbols to permit modular drivers")
Signed-off-by: Greg Kroah-Hartman
Acked-by: Will Deacon
Cc: Joerg Roedel
Cc: John Garry
Cc: Will Deacon
Link: https://lore.kernel.org/r/20200430120120.2948448-1-gregkh@linuxfoundation.org
Signed-off-by: Joerg Roedel -
The CONFIG_ prefix should be added in the code.
Fixes: 046182525db61 ("iommu/vt-d: Add Kconfig option to enable/disable scalable mode")
Reported-and-tested-by: Kumar, Sanjay K
Signed-off-by: Lu Baolu
Cc: Ashok Raj
Link: https://lore.kernel.org/r/20200501072427.14265-1-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel -
Currently, system fails to boot because the legacy interrupt remapping
mode does not enable 128-bit IRTE (GA), which is required for x2APIC
support.Fix by using AMD_IOMMU_GUEST_IR_LEGACY_GA mode when booting with
kernel option amd_iommu_intr=legacy instead. The initialization
logic will check GASup and automatically fallback to using
AMD_IOMMU_GUEST_IR_LEGACY if GA mode is not supported.Fixes: 3928aa3f5775 ("iommu/amd: Detect and enable guest vAPIC support")
Signed-off-by: Suravee Suthikulpanit
Link: https://lore.kernel.org/r/1587562202-14183-1-git-send-email-suravee.suthikulpanit@amd.com
Signed-off-by: Joerg Roedel -
While working on to make io_uring sqpoll mode support syscalls that need
struct files_struct, I got cpu soft lockup in io_ring_ctx_wait_and_kill(),while (ctx->sqo_thread && !wq_has_sleeper(&ctx->sqo_wait))
cpu_relax();above loop never has an chance to exit, it's because preempt isn't enabled
in the kernel, and the context calling io_ring_ctx_wait_and_kill() and
io_sq_thread() run in the same cpu, if io_sq_thread calls a cond_resched()
yield cpu and another context enters above loop, then io_sq_thread() will
always in runqueue and never exit.Use cond_resched() can fix this issue.
Reported-by: syzbot+66243bb7126c410cefe6@syzkaller.appspotmail.com
Signed-off-by: Xiaoguang Wang
Signed-off-by: Jens Axboe -
Use ctx->fallback_req address for test_and_set_bit_lock() and
clear_bit_unlock().Signed-off-by: Bijan Mottahedeh
Signed-off-by: Jens Axboe -
We do blocking retry from our poll handler, if the file supports polled
notifications. Only mark the request as needing an async worker if we
can't poll for it.Signed-off-by: Jens Axboe
-
We can have files like eventfd where it's perfectly fine to do poll
based retry on them, right now io_file_supports_async() doesn't take
that into account.Pass in data direction and check the f_op instead of just always needing
an async worker.Signed-off-by: Jens Axboe
-
amd-drm-fixes-5.7-2020-04-29:
amdgpu:
- Fix a green screen on resume issue
- PM fixes for SR-IOV
- SDMA fix for navi
- Renoir display fixes
- Cursor and pageflip stuttering fixes
- Misc additional display fixesUAPI:
- Add additional DCC tiling flags for navi1x
Used by: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4697Signed-off-by: Dave Airlie
From: Alex Deucher
Link: https://patchwork.freedesktop.org/patch/msgid/20200429212008.4306-1-alexander.deucher@amd.com -
- Fix selftest refcnt leak (Xiyu)
- Fix gem vma lock (Chris)
- Fix gt's i915_request.timeline acquire by checking if cacheline is valid (Chris)
- Fix IRQ postinistall fault masks (Matt)Signed-off-by: Dave Airlie
From: Rodrigo Vivi
Link: https://patchwork.freedesktop.org/patch/msgid/20200430140042.GA270140@intel.com -
A few resources-related fixes for qxl, some doc build warnings and ioctl
fixes for dma-buf, an off-by-one fix in edid, and a return code fix in
DP-MSTSigned-off-by: Dave Airlie
From: Maxime Ripard
Link: https://patchwork.freedesktop.org/patch/msgid/20200430153201.wx6of2b2gsoip7bk@gilmour.lan -
…device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Document DM integrity allow_discard feature that was added during 5.7
merge window.- Fix potential for DM writecache data corruption during DM table
reloads.- Fix DM verity's FEC support's hash block number calculation in
verity_fec_decode().- Fix bio-based DM multipath crash due to use of stale copy of
MPATHF_QUEUE_IO flag state in __map_bio().* tag 'for-5.7/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm multipath: use updated MPATHF_QUEUE_IO on mapping for bio-based mpath
dm verity fec: fix hash block number in verity_fec_decode
dm writecache: fix data corruption when reloading the target
dm integrity: document allow_discard option -
Pull SELinux fixes from Paul Moore:
"Two more SELinux patches to fix problems in the v5.7-rcX releases.Wei Yongjun's patch fixes a return code in an error path, and my patch
fixes a problem where we were not correctly applying access controls
to all of the netlink messages in the netlink_send LSM hook"* tag 'selinux-pr-20200430' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: properly handle multiple messages in selinux_netlink_send()
selinux: fix error return code in cond_read_list() -
…kernel/git/shuah/linux-kselftest
Pull Kunit fix from Shuah Khan:
"A single fix to flush the test summary to the console log without
delay"* tag 'linux-kselftest-kunit-5.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: Add missing newline in summary message -
…/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
- ftrace test fixes to check for required filter files and kprobe args.
- Kselftest build/cross-build dependency check script to make it easier
for test ring admins/users to configure build systems correctly for
build/cross-build kselftests. Currently checks library dependencies.- Checks if Kselftests can be built/cross-built on a system running
compile test on a trivial C file with LDLIBS specified for each
individual test in their Makefiles.- Prints suggested target list for a system filtering out tests
failed the build dependency check from the TARGETS in Selftests
the main Makefile when optional -p is specified.- Prints pass/fail dependency check for each tests/sub-test.
- Prints pass/fail targets and libraries.
- Default: runs dependency checks on all tests.
- Optional test name can be specified to check dependencies for it.
* tag 'linux-kselftest-5.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/ftrace: Check the first record for kprobe_args_type.tc
selftests: add build/cross-build dependency check script
selftests/ftrace: Check required filter files before running test -
Fix the SELinux netlink_send hook to properly handle multiple netlink
messages in a single sk_buff; each message is parsed and subject to
SELinux access control. Prior to this patch, SELinux only inspected
the first message in the sk_buff.Cc: stable@vger.kernel.org
Reported-by: Dmitry Vyukov
Reviewed-by: Stephen Smalley
Signed-off-by: Paul Moore -
The struct nfs_server gets put on the cl_superblocks list before
the server->super field has been initialised, in which case the
call to nfs_sb_active() will Oops. Add a check to ensure that
we skip such a list entry.Fixes: 3c9e502b59fb ("NFS: Add a helper nfs_client_for_each_server()")
Signed-off-by: Trond Myklebust -
Pull MMC fixes from Ulf Hansson:
- meson-mx-sdio: Fix support for HW busy detection
- sdhci-msm: Fix support for HW busy detection
- cqhci: Fix polling loop by converting to readx_poll_timeout()
- sdhci-xenon: Fix annoying 1.8V regulator warning
- sdhci-pci: Fix eMMC driver strength for BYT-based controllers
* tag 'mmc-v5.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-pci: Fix eMMC driver strength for BYT-based controllers
mmc: sdhci-xenon: fix annoying 1.8V regulator warning
mmc: sdhci-msm: Enable host capabilities pertains to R1b response
mmc: cqhci: Avoid false "cqhci: CQE stuck on" by not open-coding timeout loop
mmc: meson-mx-sdio: remove the broken ->card_busy() op
mmc: meson-mx-sdio: Set MMC_CAP_WAIT_WHILE_BUSY
mmc: core: make mmc_interrupt_hpi() static -
On arm64 linux gcc uses -fasynchronous-unwind-tables -funwind-tables
by default since gcc-8, so now the de facto platform ABI is to allow
unwinding from async signal handlers.However on bare metal targets (aarch64-none-elf), and on old gcc,
async and sync unwind tables are not enabled by default to avoid
runtime memory costs.This means if linux is built with a baremetal toolchain the vdso.so
may not have unwind tables which breaks the gcc platform ABI guarantee
in userspace.Add -fasynchronous-unwind-tables explicitly to the vgettimeofday.o
cflags to address the ABI change.Fixes: 28b1a824a4f4 ("arm64: vdso: Substitute gettimeofday() with C implementation")
Cc: Will Deacon
Reported-by: Szabolcs Nagy
Signed-off-by: Vincenzo Frascino
Signed-off-by: Catalin Marinas
