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135,892 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
42964a18f8 |
- Fix a case where objtool would mistakenly warn about instructions being unreachable
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||
|
Linus Torvalds
|
9917ff5f31 |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "5 patches. Subsystems affected by this patch series: binfmt, procfs, and mm (vmscan, memcg, and kfence)" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: kfence: make test case compatible with run time set sample interval mm: memcg: synchronize objcg lists with a dedicated spinlock mm: vmscan: remove deadlock due to throttling failing to make progress fs/proc: task_mmu.c: don't read mapcount for migration entry fs/binfmt_elf: fix PT_LOAD p_align values for loaders |
||
Peng Liu
|
8913c61001 |
kfence: make test case compatible with run time set sample interval
The parameter kfence_sample_interval can be set via boot parameter and late shell command, which is convenient for automated tests and KFENCE parameter optimization. However, KFENCE test case just uses compile-time CONFIG_KFENCE_SAMPLE_INTERVAL, which will make KFENCE test case not run as users desired. Export kfence_sample_interval, so that KFENCE test case can use run-time-set sample interval. Link: https://lkml.kernel.org/r/20220207034432.185532-1-liupeng256@huawei.com Signed-off-by: Peng Liu <liupeng256@huawei.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Christian Knig <christian.koenig@amd.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Roman Gushchin
|
0764db9b49 |
mm: memcg: synchronize objcg lists with a dedicated spinlock
Alexander reported a circular lock dependency revealed by the mmap1 ltp
test:
LOCKDEP_CIRCULAR (suite: ltp, case: mtest06 (mmap1))
WARNING: possible circular locking dependency detected
5.17.0-20220113.rc0.git0.f2211f194038.300.fc35.s390x+debug #1 Not tainted
------------------------------------------------------
mmap1/202299 is trying to acquire lock:
00000001892c0188 (css_set_lock){..-.}-{2:2}, at: obj_cgroup_release+0x4a/0xe0
but task is already holding lock:
00000000ca3b3818 (&sighand->siglock){-.-.}-{2:2}, at: force_sig_info_to_task+0x38/0x180
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&sighand->siglock){-.-.}-{2:2}:
__lock_acquire+0x604/0xbd8
lock_acquire.part.0+0xe2/0x238
lock_acquire+0xb0/0x200
_raw_spin_lock_irqsave+0x6a/0xd8
__lock_task_sighand+0x90/0x190
cgroup_freeze_task+0x2e/0x90
cgroup_migrate_execute+0x11c/0x608
cgroup_update_dfl_csses+0x246/0x270
cgroup_subtree_control_write+0x238/0x518
kernfs_fop_write_iter+0x13e/0x1e0
new_sync_write+0x100/0x190
vfs_write+0x22c/0x2d8
ksys_write+0x6c/0xf8
__do_syscall+0x1da/0x208
system_call+0x82/0xb0
-> #0 (css_set_lock){..-.}-{2:2}:
check_prev_add+0xe0/0xed8
validate_chain+0x736/0xb20
__lock_acquire+0x604/0xbd8
lock_acquire.part.0+0xe2/0x238
lock_acquire+0xb0/0x200
_raw_spin_lock_irqsave+0x6a/0xd8
obj_cgroup_release+0x4a/0xe0
percpu_ref_put_many.constprop.0+0x150/0x168
drain_obj_stock+0x94/0xe8
refill_obj_stock+0x94/0x278
obj_cgroup_charge+0x164/0x1d8
kmem_cache_alloc+0xac/0x528
__sigqueue_alloc+0x150/0x308
__send_signal+0x260/0x550
send_signal+0x7e/0x348
force_sig_info_to_task+0x104/0x180
force_sig_fault+0x48/0x58
__do_pgm_check+0x120/0x1f0
pgm_check_handler+0x11e/0x180
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&sighand->siglock);
lock(css_set_lock);
lock(&sighand->siglock);
lock(css_set_lock);
*** DEADLOCK ***
2 locks held by mmap1/202299:
#0: 00000000ca3b3818 (&sighand->siglock){-.-.}-{2:2}, at: force_sig_info_to_task+0x38/0x180
#1: 00000001892ad560 (rcu_read_lock){....}-{1:2}, at: percpu_ref_put_many.constprop.0+0x0/0x168
stack backtrace:
CPU: 15 PID: 202299 Comm: mmap1 Not tainted 5.17.0-20220113.rc0.git0.f2211f194038.300.fc35.s390x+debug #1
Hardware name: IBM 3906 M04 704 (LPAR)
Call Trace:
dump_stack_lvl+0x76/0x98
check_noncircular+0x136/0x158
check_prev_add+0xe0/0xed8
validate_chain+0x736/0xb20
__lock_acquire+0x604/0xbd8
lock_acquire.part.0+0xe2/0x238
lock_acquire+0xb0/0x200
_raw_spin_lock_irqsave+0x6a/0xd8
obj_cgroup_release+0x4a/0xe0
percpu_ref_put_many.constprop.0+0x150/0x168
drain_obj_stock+0x94/0xe8
refill_obj_stock+0x94/0x278
obj_cgroup_charge+0x164/0x1d8
kmem_cache_alloc+0xac/0x528
__sigqueue_alloc+0x150/0x308
__send_signal+0x260/0x550
send_signal+0x7e/0x348
force_sig_info_to_task+0x104/0x180
force_sig_fault+0x48/0x58
__do_pgm_check+0x120/0x1f0
pgm_check_handler+0x11e/0x180
INFO: lockdep is turned off.
In this example a slab allocation from __send_signal() caused a
refilling and draining of a percpu objcg stock, resulted in a releasing
of another non-related objcg. Objcg release path requires taking the
css_set_lock, which is used to synchronize objcg lists.
This can create a circular dependency with the sighandler lock, which is
taken with the locked css_set_lock by the freezer code (to freeze a
task).
In general it seems that using css_set_lock to synchronize objcg lists
makes any slab allocations and deallocation with the locked css_set_lock
and any intervened locks risky.
To fix the problem and make the code more robust let's stop using
css_set_lock to synchronize objcg lists and use a new dedicated spinlock
instead.
Link: https://lkml.kernel.org/r/Yfm1IHmoGdyUR81T@carbon.dhcp.thefacebook.com
Fixes:
|
||
|
Linus Torvalds
|
83e3966411 |
ARM: SoC fixes for 5.17
This is a fairly large set of bugfixes, most of which had
been sent a while ago but only now made it into the soc tree:
Maintainer file updates:
- Claudiu Beznea now co-maintains the at91 soc family,
replacing Ludovic Desroches.
- Michael Walle maintains the sl28cpld drivers
- Alain Volmat and Raphael Gallais-Pou take over some
drivers for ST platforms
- Alim Akhtar is an additional reviewer for Samsung platforms
Code fixes:
- Op-tee had a problem with object lifetime that needs
a slightly complex fix, as well as another bug with
error handling.
- Several minor issues for the OMAP platform, including
a regression with the timer
- A Kconfig change to fix a build-time issue on Intel
SoCFPGA
Device tree fixes:
- The Amlogic Meson platform fixes a boot regression on
am1-odroid, a spurious interrupt, and a problem with
reserved memory regions
- In the i.MX platform, several bug fixes are needed to
make devices work correctly: SD card detection,
alarmtimer, and sound card on some board. One patch
for the GPU got in there by accident and gets reverted
again.
- TI K3 needs a fix for J721S2 serial port numbers
- ux500 needs a fix to mount the SD card as root on
the Skomer phone.
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Merge tag 'soc-fixes-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"This is a fairly large set of bugfixes, most of which had been sent a
while ago but only now made it into the soc tree:
Maintainer file updates:
- Claudiu Beznea now co-maintains the at91 soc family, replacing
Ludovic Desroches.
- Michael Walle maintains the sl28cpld drivers
- Alain Volmat and Raphael Gallais-Pou take over some drivers for ST
platforms
- Alim Akhtar is an additional reviewer for Samsung platforms
Code fixes:
- Op-tee had a problem with object lifetime that needs a slightly
complex fix, as well as another bug with error handling.
- Several minor issues for the OMAP platform, including a regression
with the timer
- A Kconfig change to fix a build-time issue on Intel SoCFPGA
Device tree fixes:
- The Amlogic Meson platform fixes a boot regression on am1-odroid, a
spurious interrupt, and a problem with reserved memory regions
- In the i.MX platform, several bug fixes are needed to make devices
work correctly: SD card detection, alarmtimer, and sound card on
some board. One patch for the GPU got in there by accident and gets
reverted again.
- TI K3 needs a fix for J721S2 serial port numbers
- ux500 needs a fix to mount the SD card as root on the Skomer phone"
* tag 'soc-fixes-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (46 commits)
Revert "arm64: dts: imx8mn-venice-gw7902: disable gpu"
arm64: Remove ARCH_VULCAN
MAINTAINERS: add myself as a maintainer for the sl28cpld
MAINTAINERS: add IRC to ARM sub-architectures and Devicetree
MAINTAINERS: arm: samsung: add Git tree and IRC
ARM: dts: Fix boot regression on Skomer
ARM: dts: spear320: Drop unused and undocumented 'irq-over-gpio' property
soc: aspeed: lpc-ctrl: Block error printing on probe defer cases
docs/ABI: testing: aspeed-uart-routing: Escape asterisk
MAINTAINERS: update drm/stm drm/sti and cec/sti maintainers
MAINTAINERS: Update Benjamin Gaignard maintainer status
ARM: socfpga: fix missing RESET_CONTROLLER
arm64: dts: meson-sm1-odroid: fix boot loop after reboot
arm64: dts: meson-g12: drop BL32 region from SEI510/SEI610
arm64: dts: meson-g12: add ATF BL32 reserved-memory region
arm64: dts: meson-gx: add ATF BL32 reserved-memory region
arm64: dts: meson-sm1-bananapi-m5: fix wrong GPIO domain for GPIOE_2
arm64: dts: meson-sm1-odroid: use correct enable-gpio pin for tf-io regulator
arm64: dts: meson-g12b-odroid-n2: fix typo 'dio2133'
optee: use driver internal tee_context for some rpc
...
|
||
|
Linus Torvalds
|
883fd0aba1 |
ACPI fixes for 5.17-rc4
- Revert a recent change that attempted to avoid issues with
conflicting address ranges during PCI initialization, because it
turned out to introduce a regression (Hans de Goede).
- Revert a change that limited EC GPE wakeups from suspend-to-idle
to systems based on Intel hardware, because it turned out that
systems based on hardware from other vendors depended on that
functionality too (Mario Limonciello).
- Fix two issues related to the handling of wakeup interrupts and
wakeup events signaled through the EC GPE during suspend-to-idle
on x86 (Rafael Wysocki).
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Merge tag 'acpi-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These revert two commits that turned out to be problematic and fix two
issues related to wakeup from suspend-to-idle on x86.
Specifics:
- Revert a recent change that attempted to avoid issues with
conflicting address ranges during PCI initialization, because it
turned out to introduce a regression (Hans de Goede).
- Revert a change that limited EC GPE wakeups from suspend-to-idle to
systems based on Intel hardware, because it turned out that systems
based on hardware from other vendors depended on that functionality
too (Mario Limonciello).
- Fix two issues related to the handling of wakeup interrupts and
wakeup events signaled through the EC GPE during suspend-to-idle on
x86 (Rafael Wysocki)"
* tag 'acpi-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
x86/PCI: revert "Ignore E820 reservations for bridge windows on newer systems"
PM: s2idle: ACPI: Fix wakeup interrupts handling
ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE
ACPI: PM: Revert "Only mark EC GPE for wakeup on Intel systems"
|
||
|
Linus Torvalds
|
f1baf68e13 |
Networking fixes for 5.17-rc4, including fixes from netfilter and can.
Current release - new code bugs:
- sparx5: fix get_stat64 out-of-bound access and crash
- smc: fix netdev ref tracker misuse
Previous releases - regressions:
- eth: ixgbevf: require large buffers for build_skb on 82599VF,
avoid overflows
- eth: ocelot: fix all IP traffic getting trapped to CPU with PTP
over IP
- bonding: fix rare link activation misses in 802.3ad mode
Previous releases - always broken:
- tcp: fix tcp sock mem accounting in zero-copy corner cases
- remove the cached dst when uncloning an skb dst and its metadata,
since we only have one ref it'd lead to an UaF
- netfilter:
- conntrack: don't refresh sctp entries in closed state
- conntrack: re-init state for retransmitted syn-ack, avoid
connection establishment getting stuck with strange stacks
- ctnetlink: disable helper autoassign, avoid it getting lost
- nft_payload: don't allow transport header access for fragments
- dsa: fix use of devres for mdio throughout drivers
- eth: amd-xgbe: disable interrupts during pci removal
- eth: dpaa2-eth: unregister netdev before disconnecting the PHY
- eth: ice: fix IPIP and SIT TSO offload
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter and can.
Current release - new code bugs:
- sparx5: fix get_stat64 out-of-bound access and crash
- smc: fix netdev ref tracker misuse
Previous releases - regressions:
- eth: ixgbevf: require large buffers for build_skb on 82599VF, avoid
overflows
- eth: ocelot: fix all IP traffic getting trapped to CPU with PTP
over IP
- bonding: fix rare link activation misses in 802.3ad mode
Previous releases - always broken:
- tcp: fix tcp sock mem accounting in zero-copy corner cases
- remove the cached dst when uncloning an skb dst and its metadata,
since we only have one ref it'd lead to an UaF
- netfilter:
- conntrack: don't refresh sctp entries in closed state
- conntrack: re-init state for retransmitted syn-ack, avoid
connection establishment getting stuck with strange stacks
- ctnetlink: disable helper autoassign, avoid it getting lost
- nft_payload: don't allow transport header access for fragments
- dsa: fix use of devres for mdio throughout drivers
- eth: amd-xgbe: disable interrupts during pci removal
- eth: dpaa2-eth: unregister netdev before disconnecting the PHY
- eth: ice: fix IPIP and SIT TSO offload"
* tag 'net-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (53 commits)
net: dsa: mv88e6xxx: fix use-after-free in mv88e6xxx_mdios_unregister
net: mscc: ocelot: fix mutex lock error during ethtool stats read
ice: Avoid RTNL lock when re-creating auxiliary device
ice: Fix KASAN error in LAG NETDEV_UNREGISTER handler
ice: fix IPIP and SIT TSO offload
ice: fix an error code in ice_cfg_phy_fec()
net: mpls: Fix GCC 12 warning
dpaa2-eth: unregister the netdev before disconnecting from the PHY
skbuff: cleanup double word in comment
net: macb: Align the dma and coherent dma masks
mptcp: netlink: process IPv6 addrs in creating listening sockets
selftests: mptcp: add missing join check
net: usb: qmi_wwan: Add support for Dell DW5829e
vlan: move dev_put into vlan_dev_uninit
vlan: introduce vlan_dev_free_egress_priority
ax25: fix UAF bugs of net_device caused by rebinding operation
net: dsa: fix panic when DSA master device unbinds on shutdown
net: amd-xgbe: disable interrupts during pci removal
tipc: rate limit warning for received illegal binding update
net: mdio: aspeed: Add missing MODULE_DEVICE_TABLE
...
|
||
|
Linus Torvalds
|
f4bc5bbb5f |
Notable bug fixes:
Ensure that NFS clients cannot send file size or offset values that can cause the NFS server to crash or to return incorrect or surprising results. In particular, fix how the NFS server handles values larger than OFFSET_MAX. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmIDzr4ACgkQM2qzM29m f5eJRBAAikdh0PYOlZbvy9M1eY6wq3k+Y10JsnCZk4T8Uq0NJF/7CJ3R4/4+xGOh ZA/2vE1dN4IfqnIOdxw1cXbzzgAO5p/nDLMo9wC6NimrVLkE+S8j38oWvEHOCJXC TzUbIKkxqBBcfDw4pO4BT42iHx+cqVUuRFd2qkob1ZRoe+BKI+F4+7QNVc8iEw5z j85i2/h6JohsItzekRbMO1q1iXxBc+IZRYafjibtVRWxRuNUWP8C1cv0eXrlSy3O L07kZRwzrd52PAi1Q8K07Ip+yTHUMZptyHoB6S863uuz/mOzlpXewvXHMGA1btlr POHYG/lBXpDS0e2pjksyXXp2I7HJV/HuaMyyLveWRO0qleBc3G5PsvIJNBW7xl5f NPGdgfaa+8ZeOCGolvPruykL9Eh7QAyWTdPKz1J+NuhjkAB4p6ba9QcKVwP7kYTi I8zdeUPgbjuFW35hal0ZIlNi2RfcuSGk1FKjotrQ6J3XNIaqPkUWK+1Zz3MzqPUW +1ElzoXQugJASPBkEZuf1aXr8/vRjKT16l8EX1kbtJ5wjj2OPbnWWZk03ZncLVfv CzbJTZLqiM0JuRqXvYpUGAQdryWcwvTCAuWxcqrt4ALNWW6Z4Y35Vl8H4sTh8wkr Q3m6bAVYJx3FmFop7y5ubVH137k1SFJ0NzGJJK0mYoZQSMZoPZI= =64n/ -----END PGP SIGNATURE----- Merge tag 'nfsd-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull more nfsd fixes from Chuck Lever: "Ensure that NFS clients cannot send file size or offset values that can cause the NFS server to crash or to return incorrect or surprising results. In particular, fix how the NFS server handles values larger than OFFSET_MAX" * tag 'nfsd-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: NFSD: Deprecate NFS_OFFSET_MAX NFSD: Fix offset type in I/O trace points NFSD: COMMIT operations must not return NFS?ERR_INVAL NFSD: Clamp WRITE offsets NFSD: Fix NFSv3 SETATTR/CREATE's handling of large file sizes NFSD: Fix ia_size underflow NFSD: Fix the behavior of READ near OFFSET_MAX |
||
Chuck Lever
|
c306d73769 |
NFSD: Deprecate NFS_OFFSET_MAX
NFS_OFFSET_MAX was introduced way back in Linux v2.3.y before there was a kernel-wide OFFSET_MAX value. As a clean up, replace the last few uses of it with its generic equivalent, and get rid of it. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> |
||
Antoine Tenart
|
9eeabdf17f |
net: fix a memleak when uncloning an skb dst and its metadata
When uncloning an skb dst and its associated metadata, a new
dst+metadata is allocated and later replaces the old one in the skb.
This is helpful to have a non-shared dst+metadata attached to a specific
skb.
The issue is the uncloned dst+metadata is initialized with a refcount of
1, which is increased to 2 before attaching it to the skb. When
tun_dst_unclone returns, the dst+metadata is only referenced from a
single place (the skb) while its refcount is 2. Its refcount will never
drop to 0 (when the skb is consumed), leading to a memory leak.
Fix this by removing the call to dst_hold in tun_dst_unclone, as the
dst+metadata refcount is already 1.
Fixes:
|
||
|
Antoine Tenart
|
cfc56f85e7 |
net: do not keep the dst cache when uncloning an skb dst and its metadata
When uncloning an skb dst and its associated metadata a new dst+metadata
is allocated and the tunnel information from the old metadata is copied
over there.
The issue is the tunnel metadata has references to cached dst, which are
copied along the way. When a dst+metadata refcount drops to 0 the
metadata is freed including the cached dst entries. As they are also
referenced in the initial dst+metadata, this ends up in UaFs.
In practice the above did not happen because of another issue, the
dst+metadata was never freed because its refcount never dropped to 0
(this will be fixed in a subsequent patch).
Fix this by initializing the dst cache after copying the tunnel
information from the old metadata to also unshare the dst cache.
Fixes:
|
||
|
Linus Torvalds
|
e6251ab455 |
NFS Client Bugfixes for Linux 5.17-rc
- Stable Fixes:
- Fix initialization of nfs_client cl_flags
- Other Fixes:
- Fix performance issues with uncached readdir calls
- Fix potential pointer dereferences in rpcrdma_ep_create
- Fix nfs4_proc_get_locations() kernel-doc comment
- Fix locking during sunrpc sysfs reads
- Update my email address in the MAINTAINERS file to my new kernel.org email
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Merge tag 'nfs-for-5.17-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
"Stable Fixes:
- Fix initialization of nfs_client cl_flags
Other Fixes:
- Fix performance issues with uncached readdir calls
- Fix potential pointer dereferences in rpcrdma_ep_create
- Fix nfs4_proc_get_locations() kernel-doc comment
- Fix locking during sunrpc sysfs reads
- Update my email address in the MAINTAINERS file to my new
kernel.org email"
* tag 'nfs-for-5.17-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
SUNRPC: lock against ->sock changing during sysfs read
MAINTAINERS: Update my email address
NFS: Fix nfs4_proc_get_locations() kernel-doc comment
xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create
NFS: Fix initialisation of nfs_client cl_flags field
NFS: Avoid duplicate uncached readdir calls on eof
NFS: Don't skip directory entries when doing uncached readdir
NFS: Don't overfill uncached readdir pages
|
||
Rafael J. Wysocki
|
cb1f65c1e1 |
PM: s2idle: ACPI: Fix wakeup interrupts handling
After commit |
||
Arnd Bergmann
|
486343d372 |
Fixes for omaps
A series of fixes for omap variants for minor issues, and a fix for a timer regression for some omap3 beagleboard versions. The timer fix needs to patch both the dts and the timer code because otherwise the timer quirk handling for old dtbs will prevent the dts fix from working. The other changes are for issues found by automated analysis, a macasp typo fix, and two cosmetic fixes for clocks. -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEEkgNvrZJU/QSQYIcQG9Q+yVyrpXMFAmHb5fkRHHRvbnlAYXRv bWlkZS5jb20ACgkQG9Q+yVyrpXOcDg//QnxhGDK1d7QSB83LxLmy1hIi5AZiOSAM o4z9inNotFNdAN52pxYL1ywh/OtF2+mRtbDlnprEqJ5DCl0UC6J9FGc2fmA+wO+J KUvEmlQ/kZ9YKPAN8pY2C/sfls4UcMrcW2NNwsrM+YKLHlZp2xqvzLUSkhpssADu fSTIwB+cCuPQKCWe7vKTb85ZY0lL/TKtr8rUkIMpjV3xbzhp9lxOjn/yBPqmVyWy Vf/BxJJMlo0JVI6QnpXFfodCg7JZvz/tytfX+UWSsbSga27phB1LlZqafFudzT3m PQCS+SJW2Nsa7ol2niDENFaw5ufUEj/YPedTzteuZua80F/ZHmc4YWW6tNnZRAlr eLc1NbB0S/IQ+FhEIgmxcwc9K8s5xqoCNuxdvcMi3RZVyS1GfOnRkuI0FaoR3B9F RrREO/ts1JUTSB4/Tb8oDJRbP99IA7lpWzFNiKka0MIv7yZsz0EXAh3JXl20KkT3 izTTNie8ISMDRfZOEdkAaJEszRTbQbUTrZjMvF9I8igRH7Dg+Ea4CQHHX8Rf2bDw ltj7L9eTgnYHVU8bwUBqPSzfCi6fcAQLlfJpK1VOcNnN8ZJzYnosi7pH+OFTDn+V rd6Pfs4opo4wofue/oWot8xtEXuQD27RHRCF7oRrhxBbn0t0n3zT5fJk8ErMJfYj gy4+xsMVNoo= =hMu7 -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmIBTAUACgkQmmx57+YA GNlaVQ//ZbsAo+lxUQbMl7XZ8k9ATrYnY99c3KY0c6Nl3vaf9gR6VFJ3Wy+Z1EeY 55lIwVXQ0XriUjw+O5DulWg97aHBvMhgsMRwHShdVHTFekDzod3wtixObfPdXEa9 oesKiYEjyPEHnjqrRJf7bOP+Ah6jc3BUtqVUIQ6Ks33q+rCGEy16vLIa4q10keqH qq/CNCZrkBUmpCtVD9wjFuVzsXcdbFVWuWfF9/cdj6M5IZ2J1ZOE6K2fbTd7Aidn CsT5KWQU7jp9WrSGDlyVgYcKWrav0vVHCDRszjXbDdhauCTBl7wVUmmsy9yhhwIl ro91Q5yJR6bBuzeVlab2Y5S5Y3M7garHSzquZIHGr0/B3SevAmWczwwfEOHj5qZ8 2tEN5KmHxBNmez8m6L50rUeLamfcLwQgWGgUatyEyudLOYlqTuFA4u0ck/AFefvE +QNhohngSxifXzIERW45E2V6NkGH2O877M/TbUPxcjBBYu6QhSgIfwvx1IlWGjTb kH4Ucod6m34PNVbGQbaxAQrN3CrYkHzRdZ6CRFYpEufRdxSQso9hv0FaAxf0YukP Zlf76V58fjpoORd8dWwQMZrNA7eVPI46rud0gLWNHw7f1LdascHzaQIdAY1fEUyt Wldd/uOzRPNYcN+9uDDDPciUi5Ws3cOG533WoYjHu0CmbxfQN/Q= =iogZ -----END PGP SIGNATURE----- Merge tag 'omap-for-v5.17/fixes-for-merge-window-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes Fixes for omaps A series of fixes for omap variants for minor issues, and a fix for a timer regression for some omap3 beagleboard versions. The timer fix needs to patch both the dts and the timer code because otherwise the timer quirk handling for old dtbs will prevent the dts fix from working. The other changes are for issues found by automated analysis, a macasp typo fix, and two cosmetic fixes for clocks. * tag 'omap-for-v5.17/fixes-for-merge-window-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: dts: Don't use legacy clock defines for dra7 clkctrl clk: ti: Move dra7 clock devices out of the legacy section ARM: dts: Fix timer regression for beagleboard revision c ARM: dts: am335x-wega: Fix typo in mcasp property rx-num-evt ARM: OMAP2+: adjust the location of put_device() call in omapdss_init_of ARM: OMAP2+: hwmod: Add of_node_put() before break Link: https://lore.kernel.org/r/pull-1641801310-149268@atomide.com Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
||
Damien Le Moal
|
fda17afc61 |
ata: libata-core: Fix ata_dev_config_cpr()
The concurrent positioning ranges log page 47h is a general purpose log
page and not a subpage of the indentify device log. Using
ata_identify_page_supported() to test for concurrent positioning ranges
support is thus wrong. ata_log_supported() must be used.
Furthermore, unlike other advanced ATA features (e.g. NCQ priority),
accesses to the concurrent positioning ranges log page are not gated by
a feature bit from the device IDENTIFY data. Since many older drives
react badly to the READ LOG EXT and/or READ LOG DMA EXT commands isued
to read device log pages, avoid problems with older drives by limiting
the concurrent positioning ranges support detection to drives
implementing at least the ACS-4 ATA standard (major version 11). This
additional condition effectively turns ata_dev_config_cpr() into a nop
for older drives, avoiding problems in the field.
Fixes:
|
||
|
Linus Torvalds
|
d8ad2ce873 |
Various bug fixes for ext4 fast commit and inline data handling. Also
fix regression introduced as part of moving to the new mount API.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Various bug fixes for ext4 fast commit and inline data handling.
Also fix regression introduced as part of moving to the new mount API"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
fs/ext4: fix comments mentioning i_mutex
ext4: fix incorrect type issue during replay_del_range
jbd2: fix kernel-doc descriptions for jbd2_journal_shrink_{scan,count}()
ext4: fix potential NULL pointer dereference in ext4_fill_super()
jbd2: refactor wait logic for transaction updates into a common function
jbd2: cleanup unused functions declarations from jbd2.h
ext4: fix error handling in ext4_fc_record_modified_inode()
ext4: remove redundant max inline_size check in ext4_da_write_inline_data_begin()
ext4: fix error handling in ext4_restore_inline_data()
ext4: fast commit may miss file actions
ext4: fast commit may not fallback for ineligible commit
ext4: modify the logic of ext4_mb_new_blocks_simple
ext4: prevent used blocks from being allocated during fast commit replay
|
||
|
Linus Torvalds
|
c3bf8a1440 |
perf/urgent contains 3 fixups:
- Intel/PT: filters could crash the kernel
- Intel: default disable the PMU for SMM, some new-ish EFI firmware has
started using CPL3 and the PMU CPL filters don't discriminate against
SMM, meaning that CPL3 (userspace only) events now also count EFI/SMM
cycles.
- Fixup for perf_event_attr::sig_data
(Peter Zijlstra)
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Merge tag 'perf_urgent_for_v5.17_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Intel/PT: filters could crash the kernel
- Intel: default disable the PMU for SMM, some new-ish EFI firmware has
started using CPL3 and the PMU CPL filters don't discriminate against
SMM, meaning that CPL3 (userspace only) events now also count EFI/SMM
cycles.
- Fixup for perf_event_attr::sig_data
* tag 'perf_urgent_for_v5.17_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/pt: Fix crash with stop filters in single-range mode
perf: uapi: Document perf_event_attr::sig_data truncation on 32 bit architectures
selftests/perf_events: Test modification of perf_event_attr::sig_data
perf: Copy perf_event_attr::sig_data on modification
x86/perf: Default set FREEZE_ON_SMI for all
|
||
|
Linus Torvalds
|
90c9e950c0 |
xen: branch for v5.17-rc3
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||
|
Linus Torvalds
|
5fdb26213f |
ARM:
* A couple of fixes when handling an exception while a SError has been delivered
* Workaround for Cortex-A510's single-step erratum
RISCV:
* Make CY, TM, and IR counters accessible in VU mode
* Fix SBI implementation version
x86:
* Report deprecation of x87 features in supported CPUID
* Preparation for fixing an interrupt delivery race on AMD hardware
* Sparse fix
All except POWER and s390:
* Rework guest entry code to correctly mark noinstr areas and fix vtime'
accounting (for x86, this was already mostly correct but not entirely;
for ARM, MIPS and RISC-V it wasn't)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- A couple of fixes when handling an exception while a SError has
been delivered
- Workaround for Cortex-A510's single-step erratum
RISC-V:
- Make CY, TM, and IR counters accessible in VU mode
- Fix SBI implementation version
x86:
- Report deprecation of x87 features in supported CPUID
- Preparation for fixing an interrupt delivery race on AMD hardware
- Sparse fix
All except POWER and s390:
- Rework guest entry code to correctly mark noinstr areas and fix
vtime' accounting (for x86, this was already mostly correct but not
entirely; for ARM, MIPS and RISC-V it wasn't)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Use ERR_PTR_USR() to return -EFAULT as a __user pointer
KVM: x86: Report deprecated x87 features in supported CPUID
KVM: arm64: Workaround Cortex-A510's single-step and PAC trap errata
KVM: arm64: Stop handle_exit() from handling HVC twice when an SError occurs
KVM: arm64: Avoid consuming a stale esr value when SError occur
RISC-V: KVM: Fix SBI implementation version
RISC-V: KVM: make CY, TM, and IR counters accessible in VU mode
kvm/riscv: rework guest entry logic
kvm/arm64: rework guest entry logic
kvm/x86: rework guest entry logic
kvm/mips: rework guest entry logic
kvm: add guest_state_{enter,exit}_irqoff()
KVM: x86: Move delivery of non-APICv interrupt into vendor code
kvm: Move KVM_GET_XSAVE2 IOCTL definition at the end of kvm.h
|
||
|
Linus Torvalds
|
524446e217 |
Fixes for 5.17-rc2:
- Limit the length of ioend chains in writeback so that we don't trip
the softlockup watchdog and to limit long tail latency on clearing
PageWriteback.
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Merge tag 'iomap-5.17-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap fix from Darrick Wong:
"A single bugfix for iomap.
The fix should eliminate occasional complaints about stall warnings
when a lot of writeback IO completes all at once and we have to then
go clearing status on a large number of folios.
Summary:
- Limit the length of ioend chains in writeback so that we don't trip
the softlockup watchdog and to limit long tail latency on clearing
PageWriteback"
* tag 'iomap-5.17-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs, iomap: limit individual ioend chain lengths in writeback
|
||
Paolo Bonzini
|
7e6a6b400d |
KVM/arm64 fixes for 5.17, take #2
- A couple of fixes when handling an exception while a SError has been delivered - Workaround for Cortex-A510's single-step[ erratum -----BEGIN PGP SIGNATURE----- iQJDBAABCgAtFiEEn9UcU+C1Yxj9lZw9I9DQutE9ekMFAmH9LlcPHG1hekBrZXJu ZWwub3JnAAoJECPQ0LrRPXpDLTcP/3Ry8CzvPubZquMyNdRUFvEg2EcfTa6vtIGW Fw7ap2hwPUaXUgJKDihMFIWj3Wf/wPmXw4t2Sr8R/yq8v9kWe+IG1isnT0yQhY3W kLXEqc8Mu4Rf8+jvlFHsp5mLENHIswpWAv/EY49ChgZkNmtkKpnPm1qnD89d8bNv tUwooDWidQ/7nXdM3z6zygSROJS24+OGTYTWzOQ1KgV3FGaXbqYiCleoPOpRR/Tc DQQWF/tVl8bZCqgkGKZCv3aXT0ZUPrQggARJGai78vP0l2sE/Kyaydgq5I7npZja 2L2U4kDNoPYIVa8A1jvV3Ef3AqNFs6B7+jXWfYIgAcXjCYzDK3cZcxavf/Inq9F1 3udVGJGSzH1KkGaihW3BVhsqGORRHKCdksJzWRgqf6vGyJhJw0u0D2u1rTWcT+jw Nm4KxShp0CX59HSLnVF5sR0Mct3jNNZ7UCCgH7q10wuBqYRfJT32hCo2ZrT7g9oD IQ+pa2dVYa3SaKZ4O6T/lSlbLOuuxtvmcEIfxYpPD6m10S5RrxOdsW3MCtiYM5HQ 24oo2mk6NIu/va0XxhcW+NBMcYtLQD9JUGbkUkpcRy2mgilTi9b4YPp+muYM7plQ /S1gj2kGY8vjMg0H+wysjMJyl2huEwSRsZ/UfxCAgW+MYhHLDxhxAnDWc8EcwGgE tUzomowB =Mbx/ -----END PGP SIGNATURE----- Merge tag 'kvmarm-fixes-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm64 fixes for 5.17, take #2 - A couple of fixes when handling an exception while a SError has been delivered - Workaround for Cortex-A510's single-step[ erratum |
||
|
Linus Torvalds
|
494a2c2b27 |
ata fixes for 5.17-rc3
* Sergey volunteered to be a reviewer for the Renesas R-Car SATA driver and PATA drivers. Update the MAINTAINERS file accordingly. * Regression fix: add a horkage flag to prevent accessing the log directory log page with SATADOM-ML 3ME SATA devices as they react badly to reading that log page (from Anton). -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSRPv8tYSvhwAzJdzjdoc3SxdoYdgUCYfzmVgAKCRDdoc3SxdoY dpYQAQD21wEYMv1/OuaY7/xRxfYJLpe67L3g2/qHNwhx1PDYlwEA2LSmlQsMXQBp wgANq6sZdD4w9AyQHKt+yv4Oi41T3wA= =O6iX -----END PGP SIGNATURE----- Merge tag 'ata-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata Pull ATA fixes from Damien Le Moal: - Sergey volunteered to be a reviewer for the Renesas R-Car SATA driver and PATA drivers. Update the MAINTAINERS file accordingly. - Regression fix: add a horkage flag to prevent accessing the log directory log page with SATADOM-ML 3ME SATA devices as they react badly to reading that log page (from Anton). * tag 'ata-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: ata: libata-core: Introduce ATA_HORKAGE_NO_LOG_DIR horkage MAINTAINERS: add myself as Renesas R-Car SATA driver reviewer MAINTAINERS: add myself as PATA drivers reviewer |
||
|
Linus Torvalds
|
ba6ef8af0f |
Merge tag 'random-5.17-rc3-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator fixes from Jason Donenfeld:
"For this week, we have:
- A fix to make more frequent use of hwgenerator randomness, from
Dominik.
- More cleanups to the boot initialization sequence, from Dominik.
- A fix for an old shortcoming with the ZAP ioctl, from me.
- A workaround for a still unfixed Clang CFI/FullLTO compiler bug,
from me. On one hand, it's a bummer to commit workarounds for
experimental compiler features that have bugs. But on the other, I
think this actually improves the code somewhat, independent of the
bug. So a win-win"
* tag 'random-5.17-rc3-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
random: only call crng_finalize_init() for primary_crng
random: access primary_pool directly rather than through pointer
random: wake up /dev/random writers after zap
random: continually use hwgenerator randomness
lib/crypto: blake2s: avoid indirect calls to compression function for Clang CFI
|
||
|
Linus Torvalds
|
0a566d43c8 |
sound fixes for 5.17-rc3
A collection of small fixes. The major changes are ASoC core fixes, addressing the DPCM locking issue after the recent code changes and the potentially invalid register accesses via control API. Also, HD-audio got a core fix for Oops at dynamic unbinding. The rest are device-specific small fixes, including the usual stuff like HD-audio and USB-audio quirks. -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmH85I4OHHRpd2FpQHN1 c2UuZGUACgkQLtJE4w1nLE8qfA/+N1mELke3hHJh91uxPLTNMYDaG/NwsnHD1s9y wO9+c47Ett5fmY5eq45+55ZhQlskvlx6s7v9VuVkGGBdg+Dif5cnvRzN6irKyywg MV/ZrTaDWAHMWO/NEeSkKgtJEicficvxxtqCrPb/INJaexB4ZMsSr06gtxFO8ojx O3Y492EiLWzQuDahaq0NfBdLtPA/i6q4Ed4FPkWM2i0zQyP2zFArdO3+SS7eVWQC A4PerEC04QZcDSp//pFodw5ecLfndhh0LCklJIQkHqpbP2UDrPcQNa64TfLevxha Q6N4qJvq3KOn269wSmdeapYfBUcOE7omPZlg1s7ttAraxGbxY8uafYNXjQPW+got l6jcZzI0aZeHFx5ffDgEwBf1GsCsO3vKN4ao74sPJXDlstjlvH5uQmKJLRRo2P/K ntL+UEG8QiFZ2lzdF+6rci/V6B9YQunaZvhCDijB31A+CZvCUnE9yqTZQrW8Udef sqARmfT5hyXQpwDT8w5DsIwZ9mjCchsX8CuhtE9aaGYhG+NTPeWu0IHPeXmvso/I /w40dkZGuNZBpX33m3kkOJToUgBP8Jo+J47Tb9nEErcQ9MnSjYG7q31mnxMR9YXy I0K/J94IQMzsR1M7u0AaLCaCvFWqhxDtRViTpk2iCiUDaFWRyvKTAAjzFN6yD8So pt8ROzA= =491j -----END PGP SIGNATURE----- Merge tag 'sound-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "A collection of small fixes. The major changes are ASoC core fixes, addressing the DPCM locking issue after the recent code changes and the potentially invalid register accesses via control API. Also, HD-audio got a core fix for Oops at dynamic unbinding. The rest are device-specific small fixes, including the usual stuff like HD-audio and USB-audio quirks" * tag 'sound-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (31 commits) ALSA: hda: Skip codec shutdown in case the codec is not registered ALSA: usb-audio: Correct quirk for VF0770 ALSA: Replace acpi_bus_get_device() Input: wm97xx: Simplify resource management ALSA: hda/realtek: Add quirk for ASUS GU603 ALSA: hda/realtek: Fix silent output on Gigabyte X570 Aorus Xtreme after reboot from Windows ALSA: hda/realtek: Fix silent output on Gigabyte X570S Aorus Master (newer chipset) ALSA: hda/realtek: Add missing fixup-model entry for Gigabyte X570 ALC1220 quirks ALSA: hda: realtek: Fix race at concurrent COEF updates ASoC: ops: Check for negative values before reading them ASoC: rt5682: Fix deadlock on resume ASoC: hdmi-codec: Fix OOB memory accesses ASoC: soc-pcm: Move debugfs removal out of spinlock ASoC: soc-pcm: Fix DPCM lockdep warning due to nested stream locks ASoC: fsl: Add missing error handling in pcm030_fabric_probe ALSA: hda: Fix signedness of sscanf() arguments ALSA: usb-audio: initialize variables that could ignore errors ALSA: hda: Fix UAF of leds class devs at unbinding ASoC: qdsp6: q6apm-dai: only stop graphs that are started ASoC: codecs: wcd938x: fix return value of mixer put function ... |
||
|
Linus Torvalds
|
31462d9e47 |
drm fixes for 5.17-rc3
fbdev: - readd fbcon acceleration i915: - fix DP monitor via type-c dock - fix for engine busyness and read timeout with GuC - use ALLOW_FAIL for error capture buffer allocs - don't use interruptible lock on error paths - smatch fix to reject zero sized overlays. amdgpu: - mGPU fan boost fix for beige goby - S0ix fixes - Cyan skillfish hang fix - DCN fixes for DCN 3.1 - DCN fixes for DCN 3.01 - Apple retina panel fix - ttm logic inversion fix dma-buf: - heaps: fix potential spectre v1 gadget kmb: - fix potential oob access mxsfb: - fix NULL ptr deref nouveau: - fix potential oob access during BIOS decode -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmH8whQACgkQDHTzWXnE hr5MRA//Xk5lwTlJJ1QDYVTUwNvyPoFPELjNVROzm4mtspbqYzkPqnguqADm6VaX 1ZHNXJxtCKDz8DZlVbXO4CtvuSfzhSmY7+4tWu6UOjdv7Ab1REIQvAxVS+85HI7X XO7Wxl2U7tanMonsJ8h0ENTjNATWmnI87oPpKMnwUgnQdAW58Ty4GUJLhXIRZRDc 3ycGCqRn/eXkXMsKX75ixV92iht7r5kVB7TWEf52RjqfegH8YGUAVYKzibVt907s +oUJ9La36f9YI4g5tXIFVreyhtV7a5hXT77+WqZjFK6tw9pJYnI4zoTMk6hCM9xE ZPvEJR0KYzAsSqIDE9j5tnysPw+xxBIKzXU9R890z1weKZkBEqZWFlClkngES30g zD1NmjaWaApEVzAvZbAoVwJOwLGs+vUw5ORPWwFG5bvwJJrsER5CSVCEkq2iPIsr m84OBwzyiRq3BzYZc7NzZB4ivoEuI7lx5NKAFskAeEWXenoPmYyUuX8K8HRxpeKY gQJcFUHe5HUaX1CAjV/YxUgjx38byOMvDdprU/FQVgNGqpgV1Et12dQwIgWZ1OYX DzpuU+qQr7Nu/3YdCJIhuOsURoaOWcm3qQwVWGlr/rAJbCM1yPbUK7UlcfkIdJYc 1DeEn03WJj0GGNRinBdOmgOWrwUoLsllMLL+X/3da31eOuEIGnw= =ZH1E -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2022-02-04' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "Regular fixes for the week. Daniel has agreed to bring back the fbcon hw acceleration under a CONFIG option for the non-drm fbdev users, we don't advise turning this on unless you are in the niche that is old fbdev drivers, Since it's essentially a revert and shouldn't be high impact seemed like a good time to do it now. Otherwise, i915 and amdgpu fixes are most of it, along with some minor fixes elsewhere. fbdev: - readd fbcon acceleration i915: - fix DP monitor via type-c dock - fix for engine busyness and read timeout with GuC - use ALLOW_FAIL for error capture buffer allocs - don't use interruptible lock on error paths - smatch fix to reject zero sized overlays. amdgpu: - mGPU fan boost fix for beige goby - S0ix fixes - Cyan skillfish hang fix - DCN fixes for DCN 3.1 - DCN fixes for DCN 3.01 - Apple retina panel fix - ttm logic inversion fix dma-buf: - heaps: fix potential spectre v1 gadget kmb: - fix potential oob access mxsfb: - fix NULL ptr deref nouveau: - fix potential oob access during BIOS decode" * tag 'drm-fixes-2022-02-04' of git://anongit.freedesktop.org/drm/drm: (24 commits) drm: mxsfb: Fix NULL pointer dereference drm/amdgpu: fix logic inversion in check drm/amd: avoid suspend on dGPUs w/ s2idle support when runtime PM enabled drm/amd/display: Force link_rate as LINK_RATE_RBR2 for 2018 15" Apple Retina panels drm/amd/display: revert "Reset fifo after enable otg" drm/amd/display: watermark latencies is not enough on DCN31 drm/amd/display: Update watermark values for DCN301 drm/amdgpu: fix a potential GPU hang on cyan skillfish drm/amd: Only run s3 or s0ix if system is configured properly drm/amd: add support to check whether the system is set to s3 fbcon: Add option to enable legacy hardware acceleration Revert "fbcon: Disable accelerated scrolling" Revert "fbdev: Garbage collect fbdev scrolling acceleration, part 1 (from TODO list)" drm/i915/pmu: Fix KMD and GuC race on accessing busyness dma-buf: heaps: Fix potential spectre v1 gadget drm/amd: Warn users about potential s0ix problems drm/amd/pm: correct the MGpuFanBoost support for Beige Goby drm/nouveau: fix off by one in BIOS boundary checking drm/i915/adlp: Fix TypeC PHY-ready status readout drm/i915/pmu: Use PM timestamp instead of RING TIMESTAMP for reference ... |
||
|
Linus Torvalds
|
f9aaa5b05e |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "10 patches. Subsystems affected by this patch series: ipc, MAINTAINERS, and mm (vmscan, debug, pagemap, kmemleak, and selftests)" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: kselftest/vm: revert "tools/testing/selftests/vm/userfaultfd.c: use swap() to make code cleaner" MAINTAINERS: update rppt's email mm/kmemleak: avoid scanning potential huge holes ipc/sem: do not sleep with a spin lock held mm/pgtable: define pte_index so that preprocessor could recognize it mm/page_table_check: check entries at pmd levels mm/khugepaged: unify collapse pmd clear, flush and free mm/page_table_check: use unsigned long for page counters and cleanup mm/debug_vm_pgtable: remove pte entry from the page table Revert "mm/page_isolation: unset migratetype directly for non Buddy page" |
||
Jason A. Donenfeld
|
d2a02e3c8b |
lib/crypto: blake2s: avoid indirect calls to compression function for Clang CFI
blake2s_compress_generic is weakly aliased by blake2s_compress. The
current harness for function selection uses a function pointer, which is
ordinarily inlined and resolved at compile time. But when Clang's CFI is
enabled, CFI still triggers when making an indirect call via a weak
symbol. This seems like a bug in Clang's CFI, as though it's bucketing
weak symbols and strong symbols differently. It also only seems to
trigger when "full LTO" mode is used, rather than "thin LTO".
[ 0.000000][ T0] Kernel panic - not syncing: CFI failure (target: blake2s_compress_generic+0x0/0x1444)
[ 0.000000][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.16.0-mainline-06981-g076c855b846e #1
[ 0.000000][ T0] Hardware name: MT6873 (DT)
[ 0.000000][ T0] Call trace:
[ 0.000000][ T0] dump_backtrace+0xfc/0x1dc
[ 0.000000][ T0] dump_stack_lvl+0xa8/0x11c
[ 0.000000][ T0] panic+0x194/0x464
[ 0.000000][ T0] __cfi_check_fail+0x54/0x58
[ 0.000000][ T0] __cfi_slowpath_diag+0x354/0x4b0
[ 0.000000][ T0] blake2s_update+0x14c/0x178
[ 0.000000][ T0] _extract_entropy+0xf4/0x29c
[ 0.000000][ T0] crng_initialize_primary+0x24/0x94
[ 0.000000][ T0] rand_initialize+0x2c/0x6c
[ 0.000000][ T0] start_kernel+0x2f8/0x65c
[ 0.000000][ T0] __primary_switched+0xc4/0x7be4
[ 0.000000][ T0] Rebooting in 5 seconds..
Nonetheless, the function pointer method isn't so terrific anyway, so
this patch replaces it with a simple boolean, which also gets inlined
away. This successfully works around the Clang bug.
In general, I'm not too keen on all of the indirection involved here; it
clearly does more harm than good. Hopefully the whole thing can get
cleaned up down the road when lib/crypto is overhauled more
comprehensively. But for now, we go with a simple bandaid.
Fixes:
|
||
|
Linus Torvalds
|
cff7f2237c |
A patch to make it possible to disable zero copy path in the messenger
to avoid checksum or authentication tag mismatches and ensuing session resets in case the destination buffer isn't guaranteed to be stable. -----BEGIN PGP SIGNATURE----- iQFHBAABCAAxFiEEydHwtzie9C7TfviiSn/eOAIR84sFAmH9JWMTHGlkcnlvbW92 QGdtYWlsLmNvbQAKCRBKf944AhHzi6GVB/0QZtlzCwL0JVNlF1kro96/Sbyb4kNi vUgD9L1RLBBDBuGAgVHgIch3E8KxAwTia0BHWH/kxLAV84RqmpcIwuZiAjrqJaoz 9JbXmO47+2/lul6YOrzTLDwWzvoMcv/ngUJYbulD0F6oeVqD9Kl3qUkrpf5cy+mJ uJpzXDhqrx9A5ruopQRFlx2br1sPp3Jn/45WXejoEUSxnbyKtejK6aZBmatvBgsX gtfVqSCQeY+bWXkhkg4ZaYAHRqH1lG5we6FEbB0RIG5gY9ygf1w2OWr33S2qrbTg DKz96jQ4nDAsMpvlis1y0IjpxiAY0c1A0B06E0Xxov/d4fNdtAlnaci5 =pHA5 -----END PGP SIGNATURE----- Merge tag 'ceph-for-5.17-rc3' of git://github.com/ceph/ceph-client Pull ceph fixes from Ilya Dryomov: "A patch to make it possible to disable zero copy path in the messenger to avoid checksum or authentication tag mismatches and ensuing session resets in case the destination buffer isn't guaranteed to be stable" * tag 'ceph-for-5.17-rc3' of git://github.com/ceph/ceph-client: libceph: optionally use bounce buffer on recv path in crc mode libceph: make recv path in secure mode work the same as send path |
||
|
Linus Torvalds
|
633a8e8986 |
7 smb3 fixes, one for stable, the rest fscache related, and an fscache helper
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Merge tag '5.17-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"SMB3 client fixes including:
- multiple fscache related fixes, reenabling ability to read/write to
cached files for cifs.ko (that was temporarily disabled for cifs.ko
a few weeks ago due to the recent fscache changes)
- also includes a new fscache helper function ("query_occupancy")
used by above
- fix for multiuser mounts and NTLMSSP auth (workstation name) for
stable
- fix locking ordering problem in multichannel code
- trivial malformed comment fix"
* tag '5.17-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix workstation_name for multiuser mounts
Invalidate fscache cookie only when inode attributes are changed.
cifs: Fix the readahead conversion to manage the batch when reading from cache
cifs: Implement cache I/O by accessing the cache directly
netfs, cachefiles: Add a method to query presence of data in the cache
cifs: Transition from ->readpages() to ->readahead()
cifs: unlock chan_lock before calling cifs_put_tcp_session
Fix a warning about a malformed kernel doc comment in cifs
|
||
Mike Rapoport
|
314c459a6f |
mm/pgtable: define pte_index so that preprocessor could recognize it
Since commit |
||
Pasha Tatashin
|
80110bbfbb |
mm/page_table_check: check entries at pmd levels
syzbot detected a case where the page table counters were not properly
updated.
syzkaller login: ------------[ cut here ]------------
kernel BUG at mm/page_table_check.c:162!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3099 Comm: pasha Not tainted 5.16.0+ #48
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIO4
RIP: 0010:__page_table_check_zero+0x159/0x1a0
Call Trace:
free_pcp_prepare+0x3be/0xaa0
free_unref_page+0x1c/0x650
free_compound_page+0xec/0x130
free_transhuge_page+0x1be/0x260
__put_compound_page+0x90/0xd0
release_pages+0x54c/0x1060
__pagevec_release+0x7c/0x110
shmem_undo_range+0x85e/0x1250
...
The repro involved having a huge page that is split due to uprobe event
temporarily replacing one of the pages in the huge page. Later the huge
page was combined again, but the counters were off, as the PTE level was
not properly updated.
Make sure that when PMD is cleared and prior to freeing the level the
PTEs are updated.
Link: https://lkml.kernel.org/r/20220131203249.2832273-5-pasha.tatashin@soleen.com
Fixes:
|
||
Anton Lundin
|
ac9f0c8106 |
ata: libata-core: Introduce ATA_HORKAGE_NO_LOG_DIR horkage
|
||
Dave Airlie
|
8ea2c5187d |
* dma-buf/heaps: Fix potential spectre v1 gadget
* drm/kmb: Fix potential out-of-bounds access * drm/mxsfb: Fix NULL-pointer dereference * drm/nouveau: Fix potential out-of-bounds access in BIOS decoding * fbdev: Re-add support for fbcon hardware acceleration -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEchf7rIzpz2NEoWjlaA3BHVMLeiMFAmH7vCsACgkQaA3BHVML eiOifQgAr0o6WMxuB56vlLYnmU2I/N5aBwxtPcoOCKH8SgeF8b5Fyszb10a4qW3K ycn8CVzAoT+M70pR/ty2jUylYU0huMQGJOvOPxV4i83EOU8rmq6BP201yGHppVf6 8vNu/i9lQwRb7cVtO0eHNF3/1LMgaPeDv1eHdatRyj1Bt7p58oq7J+5o+4eRMZGi HqXmP6drUunhlXfZsbNrnM8G59uHrgQY4VKcOKveKMoAiByVl0Qshns7jSFWVvlF R42awDlDAjz9HsKEGs35DtoroUYIS+d1jHh9QxuJuxHcLZmxIDOTKcYZNK+vcx0Q qD/AnTt3LbBGinZBPLbuzFWePBhJew== =+Emr -----END PGP SIGNATURE----- Merge tag 'drm-misc-fixes-2022-02-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes * dma-buf/heaps: Fix potential spectre v1 gadget * drm/kmb: Fix potential out-of-bounds access * drm/mxsfb: Fix NULL-pointer dereference * drm/nouveau: Fix potential out-of-bounds access in BIOS decoding * fbdev: Re-add support for fbcon hardware acceleration Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/Yfu8mTZQUNt1RwZd@linux-uq9g |
||
Florian Westphal
|
d1ca60efc5 |
netfilter: ctnetlink: disable helper autoassign
When userspace, e.g. conntrackd, inserts an entry with a specified helper,
its possible that the helper is lost immediately after its added:
ctnetlink_create_conntrack
-> nf_ct_helper_ext_add + assign helper
-> ctnetlink_setup_nat
-> ctnetlink_parse_nat_setup
-> parse_nat_setup -> nfnetlink_parse_nat_setup
-> nf_nat_setup_info
-> nf_conntrack_alter_reply
-> __nf_ct_try_assign_helper
... and __nf_ct_try_assign_helper will zero the helper again.
Set IPS_HELPER bit to bypass auto-assign logic, its unwanted, just like
when helper is assigned via ruleset.
Dropped old 'not strictly necessary' comment, it referred to use of
rcu_assign_pointer() before it got replaced by RCU_INIT_POINTER().
NB: Fixes tag intentionally incorrect, this extends the referenced commit,
but this change won't build without IPS_HELPER introduced there.
Fixes:
|
||
|
Linus Torvalds
|
eb2eb5161c |
Networking fixes for 5.17-rc3, including fixes from bpf, netfilter,
and ieee802154.
Current release - regressions:
- Partially revert "net/smc: Add netlink net namespace support",
fix uABI breakage
- netfilter:
- nft_ct: fix use after free when attaching zone template
- nft_byteorder: track register operations
Previous releases - regressions:
- ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback
- phy: qca8081: fix speeds lower than 2.5Gb/s
- sched: fix use-after-free in tc_new_tfilter()
Previous releases - always broken:
- tcp: fix mem under-charging with zerocopy sendmsg()
- tcp: add missing tcp_skb_can_collapse() test in tcp_shift_skb_data()
- neigh: do not trigger immediate probes on NUD_FAILED from
neigh_managed_work, avoid a deadlock
- bpf: use VM_MAP instead of VM_ALLOC for ringbuf, avoid KASAN
false-positives
- netfilter: nft_reject_bridge: fix for missing reply from prerouting
- smc: forward wakeup to smc socket waitqueue after fallback
- ieee802154:
- return meaningful error codes from the netlink helpers
- mcr20a: fix lifs/sifs periods
- at86rf230, ca8210: stop leaking skbs on error paths
- macsec: add missing un-offload call for NETDEV_UNREGISTER of parent
- ax25: add refcount in ax25_dev to avoid UAF bugs
- eth: mlx5e:
- fix SFP module EEPROM query
- fix broken SKB allocation in HW-GRO
- IPsec offload: fix tunnel mode crypto for non-TCP/UDP flows
- eth: amd-xgbe:
- fix skb data length underflow
- ensure reset of the tx_timer_active flag, avoid Tx timeouts
- eth: stmmac: fix runtime pm use in stmmac_dvr_remove()
- eth: e1000e: handshake with CSME starts from Alder Lake platforms
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf, netfilter, and ieee802154.
Current release - regressions:
- Partially revert "net/smc: Add netlink net namespace support", fix
uABI breakage
- netfilter:
- nft_ct: fix use after free when attaching zone template
- nft_byteorder: track register operations
Previous releases - regressions:
- ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback
- phy: qca8081: fix speeds lower than 2.5Gb/s
- sched: fix use-after-free in tc_new_tfilter()
Previous releases - always broken:
- tcp: fix mem under-charging with zerocopy sendmsg()
- tcp: add missing tcp_skb_can_collapse() test in
tcp_shift_skb_data()
- neigh: do not trigger immediate probes on NUD_FAILED from
neigh_managed_work, avoid a deadlock
- bpf: use VM_MAP instead of VM_ALLOC for ringbuf, avoid KASAN
false-positives
- netfilter: nft_reject_bridge: fix for missing reply from prerouting
- smc: forward wakeup to smc socket waitqueue after fallback
- ieee802154:
- return meaningful error codes from the netlink helpers
- mcr20a: fix lifs/sifs periods
- at86rf230, ca8210: stop leaking skbs on error paths
- macsec: add missing un-offload call for NETDEV_UNREGISTER of parent
- ax25: add refcount in ax25_dev to avoid UAF bugs
- eth: mlx5e:
- fix SFP module EEPROM query
- fix broken SKB allocation in HW-GRO
- IPsec offload: fix tunnel mode crypto for non-TCP/UDP flows
- eth: amd-xgbe:
- fix skb data length underflow
- ensure reset of the tx_timer_active flag, avoid Tx timeouts
- eth: stmmac: fix runtime pm use in stmmac_dvr_remove()
- eth: e1000e: handshake with CSME starts from Alder Lake platforms"
* tag 'net-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
ax25: fix reference count leaks of ax25_dev
net: stmmac: ensure PTP time register reads are consistent
net: ipa: request IPA register values be retained
dt-bindings: net: qcom,ipa: add optional qcom,qmp property
tools/resolve_btfids: Do not print any commands when building silently
bpf: Use VM_MAP instead of VM_ALLOC for ringbuf
net, neigh: Do not trigger immediate probes on NUD_FAILED from neigh_managed_work
tcp: add missing tcp_skb_can_collapse() test in tcp_shift_skb_data()
net: sparx5: do not refer to skb after passing it on
Partially revert "net/smc: Add netlink net namespace support"
net/mlx5e: Avoid field-overflowing memcpy()
net/mlx5e: Use struct_group() for memcpy() region
net/mlx5e: Avoid implicit modify hdr for decap drop rule
net/mlx5e: IPsec: Fix tunnel mode crypto offload for non TCP/UDP traffic
net/mlx5e: IPsec: Fix crypto offload for non TCP/UDP encapsulated traffic
net/mlx5e: Don't treat small ceil values as unlimited in HTB offload
net/mlx5: E-Switch, Fix uninitialized variable modact
net/mlx5e: Fix handling of wrong devices during bond netevent
net/mlx5e: Fix broken SKB allocation in HW-GRO
net/mlx5e: Fix wrong calculation of header index in HW_GRO
...
|
||
Duoming Zhou
|
87563a043c |
ax25: fix reference count leaks of ax25_dev
The previous commit |
||
Igor Pylypiv
|
67d6212afd |
Revert "module, async: async_synchronize_full() on module init iff async is used"
This reverts commit |
||
Ritesh Harjani
|
4f98186848 |
jbd2: refactor wait logic for transaction updates into a common function
No functionality change as such in this patch. This only refactors the common piece of code which waits for t_updates to finish into a common function named as jbd2_journal_wait_updates(journal_t *) Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/8c564f70f4b2591171677a2a74fccb22a7b6c3a4.1642416995.git.riteshh@linux.ibm.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> |
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Ritesh Harjani
|
3ca40c0d32 |
jbd2: cleanup unused functions declarations from jbd2.h
During code review found no references of few of these below function declarations. This patch cleans those up from jbd2.h Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/30d1fc327becda197a4136cf9cdc73d9baa3b7b9.1642416995.git.riteshh@linux.ibm.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> |
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Xin Yin
|
e85c81ba88 |
ext4: fast commit may not fallback for ineligible commit
For the follow scenario: 1. jbd start commit transaction n 2. task A get new handle for transaction n+1 3. task A do some ineligible actions and mark FC_INELIGIBLE 4. jbd complete transaction n and clean FC_INELIGIBLE 5. task A call fsync In this case fast commit will not fallback to full commit and transaction n+1 also not handled by jbd. Make ext4_fc_mark_ineligible() also record transaction tid for latest ineligible case, when call ext4_fc_cleanup() check current transaction tid, if small than latest ineligible tid do not clear the EXT4_MF_FC_INELIGIBLE. Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Reported-by: Ritesh Harjani <riteshh@linux.ibm.com> Suggested-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Signed-off-by: Xin Yin <yinxin.x@bytedance.com> Link: https://lore.kernel.org/r/20220117093655.35160-2-yinxin.x@bytedance.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org |
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Demi Marie Obenour
|
164666fa66 |
Improve docs for IOCTL_GNTDEV_MAP_GRANT_REF
--------------cKY3Ggs6VDUCSn4I6iN78sHA Content-Type: multipart/mixed; boundary="------------g0T69ASidFiPhh4eOY4XzIg1" --------------g0T69ASidFiPhh4eOY4XzIg1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable The current implementation of gntdev guarantees that the first call to IOCTL_GNTDEV_MAP_GRANT_REF will set @index to 0. This is required to use gntdev for Wayland, which is a future desire of Qubes OS. Additionally, requesting zero grants results in an error, but this was not documented either. Document both of these. Signed-off-by: Demi Marie Obenour <demiobenour@gmail.com> Reviewed-by: Juergen Gross <jgross@suse.com> Link: https://lore.kernel.org/r/f66c5a4e-2034-00b5-a635-6983bd999c07@gmail.com Signed-off-by: Juergen Gross <jgross@suse.com> |
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Randy Dunlap
|
4564661af6 |
xen: xenbus_dev.h: delete incorrect file name
It is better/preferred not to include file names in source files because (a) they are not needed and (b) they can be incorrect, so just delete this incorrect file name. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Juergen Gross <jgross@suse.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Juergen Gross <jgross@suse.com> Cc: Stefano Stabellini <sstabellini@kernel.org> Cc: xen-devel@lists.xenproject.org Link: https://lore.kernel.org/r/20220130191705.24971-1-rdunlap@infradead.org Signed-off-by: Juergen Gross <jgross@suse.com> |
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Daniel Borkmann
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4a81f6da9c |
net, neigh: Do not trigger immediate probes on NUD_FAILED from neigh_managed_work
syzkaller was able to trigger a deadlock for NTF_MANAGED entries [0]:
kworker/0:16/14617 is trying to acquire lock:
ffffffff8d4dd370 (&tbl->lock){++-.}-{2:2}, at: ___neigh_create+0x9e1/0x2990 net/core/neighbour.c:652
[...]
but task is already holding lock:
ffffffff8d4dd370 (&tbl->lock){++-.}-{2:2}, at: neigh_managed_work+0x35/0x250 net/core/neighbour.c:1572
The neighbor entry turned to NUD_FAILED state, where __neigh_event_send()
triggered an immediate probe as per commit
|
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Nick Desaulniers
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bfb1a7c91f |
x86/bug: Merge annotate_reachable() into _BUG_FLAGS() asm
In __WARN_FLAGS(), we had two asm statements (abbreviated):
asm volatile("ud2");
asm volatile(".pushsection .discard.reachable");
These pair of statements are used to trigger an exception, but then help
objtool understand that for warnings, control flow will be restored
immediately afterwards.
The problem is that volatile is not a compiler barrier. GCC explicitly
documents this:
> Note that the compiler can move even volatile asm instructions
> relative to other code, including across jump instructions.
Also, no clobbers are specified to prevent instructions from subsequent
statements from being scheduled by compiler before the second asm
statement. This can lead to instructions from subsequent statements
being emitted by the compiler before the second asm statement.
Providing a scheduling model such as via -march= options enables the
compiler to better schedule instructions with known latencies to hide
latencies from data hazards compared to inline asm statements in which
latencies are not estimated.
If an instruction gets scheduled by the compiler between the two asm
statements, then objtool will think that it is not reachable, producing
a warning.
To prevent instructions from being scheduled in between the two asm
statements, merge them.
Also remove an unnecessary unreachable() asm annotation from BUG() in
favor of __builtin_unreachable(). objtool is able to track that the ud2
from BUG() terminates control flow within the function.
Link: https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html#Volatile
Link: https://github.com/ClangBuiltLinux/linux/issues/1483
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20220202205557.2260694-1-ndesaulniers@google.com
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Ilya Dryomov
|
038b8d1d1a |
libceph: optionally use bounce buffer on recv path in crc mode
Both msgr1 and msgr2 in crc mode are zero copy in the sense that
message data is read from the socket directly into the destination
buffer. We assume that the destination buffer is stable (i.e. remains
unchanged while it is being read to) though. Otherwise, CRC errors
ensue:
libceph: read_partial_message 0000000048edf8ad data crc 1063286393 != exp. 228122706
libceph: osd1 (1)192.168.122.1:6843 bad crc/signature
libceph: bad data crc, calculated 57958023, expected 1805382778
libceph: osd2 (2)192.168.122.1:6876 integrity error, bad crc
Introduce rxbounce option to enable use of a bounce buffer when
receiving message data. In particular this is needed if a mapped
image is a Windows VM disk, passed to QEMU. Windows has a system-wide
"dummy" page that may be mapped into the destination buffer (potentially
more than once into the same buffer) by the Windows Memory Manager in
an effort to generate a single large I/O [1][2]. QEMU makes a point of
preserving overlap relationships when cloning I/O vectors, so krbd gets
exposed to this behaviour.
[1] "What Is Really in That MDL?"
https://docs.microsoft.com/en-us/previous-versions/windows/hardware/design/dn614012(v=vs.85)
[2] https://blogs.msmvps.com/kernelmustard/2005/05/04/dummy-pages/
URL: https://bugzilla.redhat.com/show_bug.cgi?id=1973317
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
|
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Ilya Dryomov
|
2ea8871636 |
libceph: make recv path in secure mode work the same as send path
The recv path of secure mode is intertwined with that of crc mode. While it's slightly more efficient that way (the ciphertext is read into the destination buffer and decrypted in place, thus avoiding two potentially heavy memory allocations for the bounce buffer and the corresponding sg array), it isn't really amenable to changes. Sacrifice that edge and align with the send path which always uses a full-sized bounce buffer (currently there is no other way -- if the kernel crypto API ever grows support for streaming (piecewise) en/decryption for GCM [1], we would be able to easily take advantage of that on both sides). [1] https://lore.kernel.org/all/20141225202830.GA18794@gondor.apana.org.au/ Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> |
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Trond Myklebust
|
e1d2699b96 |
NFS: Avoid duplicate uncached readdir calls on eof
If we've reached the end of the directory, then cache that information
in the context so that we don't need to do an uncached readdir in order
to rediscover that fact.
Fixes:
|
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Dmitry V. Levin
|
c86d86131a |
Partially revert "net/smc: Add netlink net namespace support"
The change of sizeof(struct smc_diag_linkinfo) by commit |
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Helge Deller
|
1148836fd3 |
Revert "fbdev: Garbage collect fbdev scrolling acceleration, part 1 (from TODO list)"
This reverts commit |
||
Marco Elver
|
ddecd22878 |
perf: uapi: Document perf_event_attr::sig_data truncation on 32 bit architectures
Due to the alignment requirements of siginfo_t, as described in
|