linux

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Tetsuo Handa 43626dade3 cgroup: Add missing cpus_read_lock() to cgroup_attach_task_all() syzbot is hitting percpu_rwsem_assert_held(&cpu_hotplug_lock) warning at cpuset_attach() [1], for commit `4f7e723643` ("cgroup: Fix threadgroup_rwsem <-> cpus_read_lock() deadlock") missed that cpuset_attach() is also called from cgroup_attach_task_all(). Add cpus_read_lock() like what cgroup_procs_write_start() does. Link: https://syzkaller.appspot.com/bug?extid=29d3a3b4d86c8136ad9e [1] Reported-by: syzbot <syzbot+29d3a3b4d86c8136ad9e@syzkaller.appspotmail.com> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Fixes: `4f7e723643` ("cgroup: Fix threadgroup_rwsem <-> cpus_read_lock() deadlock") Signed-off-by: Tejun Heo <tj@kernel.org>		2022-08-25 07:36:30 -10:00
arch	xen: branch for v6.0-rc1b	2022-08-14 09:28:54 -07:00
block	block-6.0-2022-08-12	2022-08-13 13:37:36 -07:00
certs
crypto
Documentation	xen: branch for v6.0-rc1b	2022-08-14 09:28:54 -07:00
drivers	xen: branch for v6.0-rc1b	2022-08-14 09:28:54 -07:00
fs	take care to handle NULL ->proc_lseek()	2022-08-14 15:16:18 -04:00
include	sched/psi: Remove redundant cgroup_psi() when !CONFIG_CGROUPS	2022-08-15 12:35:31 -10:00
init
io_uring	io_uring-6.0-2022-08-13	2022-08-13 13:28:54 -07:00
ipc
kernel	cgroup: Add missing cpus_read_lock() to cgroup_attach_task_all()	2022-08-25 07:36:30 -10:00
lib	lib: remove lib/nodemask.c	2022-08-12 09:07:33 -07:00
LICENSES
mm
net	Including fixes from bluetooth, bpf, can and netfilter.	2022-08-11 13:45:37 -07:00
samples
scripts	RISC-V Patches for the 5.20 Merge Window, Part 2	2022-08-12 18:39:43 -07:00
security
sound	sound fixes for 6.0-rc1	2022-08-12 09:55:32 -07:00
tools	perf tools changes for v6.0: 2nd batch	2022-08-14 09:22:11 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS	xen: branch for v6.0-rc1b	2022-08-14 09:28:54 -07:00
Makefile	Linux 6.0-rc1	2022-08-14 15:50:18 -07:00
README

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.