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51a490a7f6
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Pavel Begunkov 51a490a7f6 io_uring: fix io_queue_proc modifying req->flags 
[ Upstream commit 1a8ec63b2b ]

With multiple poll entries __io_queue_proc() might be running in
parallel with poll handlers and possibly task_work, we should not be
carelessly modifying req->flags there. io_poll_double_prepare() handles
a similar case with locking but it's much easier to move it into
__io_arm_poll_handler().

Cc: stable@vger.kernel.org
Fixes: 595e52284d ("io_uring/poll: don't enable lazy wake for POLLEXCLUSIVE")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/455cc49e38cf32026fa1b49670be8c162c2cb583.1709834755.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-04-03 15:11:20 +02:00
arch powerpc: xor_vmx: Add '-mhard-float' to CFLAGS 2024-04-03 15:11:19 +02:00
block block: Fix page refcounts for unaligned buffers in __bio_release_pages() 2024-04-03 15:11:19 +02:00
certs This update includes the following changes: 2023-11-02 16:15:30 -10:00
crypto crypto: jitter - fix CRYPTO_JITTERENTROPY help text 2024-03-26 18:18:39 -04:00
Documentation docs: Restore "smart quotes" for quotes 2024-04-03 15:11:13 +02:00
drivers hwmon: (amc6821) add of_match table 2024-04-03 15:11:20 +02:00
fs btrfs: fix off-by-one chunk length calculation at contains_pending_extent() 2024-04-03 15:11:17 +02:00
include mac802154: fix llsec key resources release in mac802154_llsec_key_del 2024-04-03 15:11:19 +02:00
init modules: wait do_free_init correctly 2024-03-26 18:18:42 -04:00
io_uring io_uring: fix io_queue_proc modifying req->flags 2024-04-03 15:11:20 +02:00
ipc Many singleton patches against the MM code. The patch series which are 2023-11-02 19:38:47 -10:00
kernel serial: Lock console when calling into driver before registration 2024-04-03 15:11:17 +02:00
lib pci_iounmap(): Fix MMIO mapping leak 2024-04-03 15:11:07 +02:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm: swap: fix race between free_swap_and_cache() and swapoff() 2024-04-03 15:11:19 +02:00
net mac802154: fix llsec key resources release in mac802154_llsec_key_del 2024-04-03 15:11:19 +02:00
rust rust: Ignore preserve-most functions 2024-01-25 15:45:09 -08:00
samples work around gcc bugs with 'asm goto' with outputs 2024-02-23 09:51:20 +01:00
scripts kconfig: fix infinite loop when expanding a macro at the end of file 2024-03-26 18:18:51 -04:00
security landlock: Warn once if a Landlock action is requested while disabled 2024-04-03 15:11:19 +02:00
sound ASoC: rockchip: i2s-tdm: Fix inaccurate sampling rates 2024-03-26 18:18:53 -04:00
tools selftests/mqueue: Set timeout to 180 seconds 2024-04-03 15:11:10 +02:00
usr arch: Remove Itanium (IA-64) architecture 2023-09-11 08:13:17 +00:00
virt KVM: Always flush async #PF workqueue when vCPU is being destroyed 2024-04-03 15:11:09 +02:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: rpm-pkg: generate kernel.spec in rpmbuild/SPECS/ 2023-10-03 20:49:09 +09:00
.mailmap 12 hotfixes. 2 are cc:stable and the remainder either address post-6.7 2024-01-05 13:46:18 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS 12 hotfixes. 2 are cc:stable and the remainder either address post-6.7 2024-01-05 13:46:18 -08:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS 12 hotfixes. 2 are cc:stable and the remainder either address post-6.7 2024-01-05 13:46:18 -08:00
Makefile Linux 6.7.11 2024-03-26 18:22:50 -04:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.