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Tejun Heo 3c08b0931e blk-cgroup: blk_cgroup_bio_start() should use irq-safe operations on blkg->iostat_cpu 
c3df5fb57f ("cgroup: rstat: fix A-A deadlock on 32bit around
u64_stats_sync") made u64_stats updates irq-safe to avoid A-A deadlocks.
Unfortunately, the conversion missed one in blk_cgroup_bio_start(). Fix it.

Fixes: 2d146aa3aa ("mm: memcontrol: switch to rstat")
Cc: stable@vger.kernel.org # v5.13+
Reported-by: syzbot+9738c8815b375ce482a1@syzkaller.appspotmail.com
Signed-off-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/YWi7NrQdVlxD6J9W@slm.duckdns.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-10-18 06:17:01 -06:00
arch
Merge tag 'powerpc-5.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2021-10-17 18:01:32 -10:00
block
blk-cgroup: blk_cgroup_bio_start() should use irq-safe operations on blkg->iostat_cpu
2021-10-18 06:17:01 -06:00
certs
certs: Add support for using elliptic curve keys for signing modules
2021-08-23 19:55:42 +03:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2021-08-30 12:57:10 -07:00
Documentation
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2021-10-17 18:17:19 -10:00
drivers
Merge tag 'libata-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
2021-10-17 19:39:22 -10:00
fs
Merge tag 'io_uring-5.15-2021-10-17' of git://git.kernel.dk/linux-block
2021-10-17 19:20:13 -10:00
include
Merge tag 'block-5.15-2021-10-17' of git://git.kernel.dk/linux-block
2021-10-17 19:25:20 -10:00
init
bootconfig: init: Fix memblock leak in xbc_make_cmdline()
2021-10-10 22:27:40 -04:00
ipc
ipc: remove memcg accounting for sops objects in do_semtimedop()
2021-09-14 10:22:11 -07:00
kernel
Merge tag 'trace-v5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2021-10-16 10:51:41 -07:00
lib
Merge tag 'linux-kselftest-kunit-fixes-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
2021-10-11 17:25:08 -07:00
LICENSES
LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"
2021-07-15 06:31:24 -06:00
mm
memblock: exclude NOMAP regions from kmemleak
2021-10-13 08:36:59 +03:00
net
icmp: fix icmp_ext_echo_iio parsing in icmp_build_probe
2021-10-14 07:54:47 -07:00
samples
samples/bpf: Relicense bpf_insn.h as GPL-2.0-only OR BSD-2-Clause
2021-09-29 16:03:55 +02:00
scripts
Merge tag 'trace-v5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2021-10-16 10:51:41 -07:00
security
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/
2021-10-07 12:44:41 +01:00
sound
ALSA: usb-audio: Add quirk for VF0770
2021-10-12 22:13:11 +02:00
tools
Merge tag 'objtool_urgent_for_v5.15_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-10-17 17:41:39 -10:00
usr
.gitignore: prefix local generated files with a slash
2021-05-02 00:43:35 +09:00
virt
KVM: Remove tlbs_dirty
2021-09-23 11:01:12 -04:00
.clang-format
clang-format: Update with the latest for_each macro list
2021-05-12 23:32:39 +02:00
.cocciconfig
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
.gitignore: ignore only top-level modules.builtin
2021-05-02 00:43:35 +09:00
.mailmap
mailmap: update email address of Matthias Fuchs and Thomas Körper
2021-08-19 09:39:44 +02:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Move Daniel Drake to credits
2021-09-21 08:34:58 +03:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
Merge tag 'char-misc-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2021-10-17 17:14:00 -10:00
Makefile
Linux 5.15-rc6
2021-10-17 20:00:13 -10:00
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.
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