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Shakeel Butt 455c38eb8b cgroup: disable controllers at parse time 
[ Upstream commit 45e1ba4083 ]

This patch effectively reverts the commit a3e72739b7 ("cgroup: fix
too early usage of static_branch_disable()"). The commit 6041186a32
("init: initialize jump labels before command line option parsing") has
moved the jump_label_init() before parse_args() which has made the
commit a3e72739b7 unnecessary. On the other hand there are
consequences of disabling the controllers later as there are subsystems
doing the controller checks for different decisions. One such incident
is reported [1] regarding the memory controller and its impact on memory
reclaim code.

[1] https://lore.kernel.org/linux-mm/921e53f3-4b13-aab8-4a9e-e83ff15371e4@nec.com

Signed-off-by: Shakeel Butt <shakeelb@google.com>
Reported-by: NOMURA JUNICHI(野村　淳一) <junichi.nomura@nec.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Tested-by: Jun'ichi Nomura <junichi.nomura@nec.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-06-16 11:53:01 +02:00
arch KVM: SVM: Truncate GPR value for DR and CR accesses in !64-bit mode 2021-06-10 12:43:53 +02:00
block blk-mq: Swap two calls in blk_mq_exit_queue() 2021-05-22 10:57:40 +02:00
certs certs: Fix blacklist flag type confusion 2021-03-03 18:22:46 +01:00
crypto crypto: api - check for ERR pointers in crypto_destroy_tfm() 2021-05-22 10:57:16 +02:00
Documentation tweewide: Fix most Shebang lines 2021-06-03 08:36:11 +02:00
drivers net: mdiobus: get rid of a BUG_ON() 2021-06-16 11:53:01 +02:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:20:30 +01:00
fs proc: Track /proc/$pid/attr/ opener mm_struct 2021-06-16 11:53:00 +02:00
include bpf: Fix leakage of uninitialized bpf stack under speculation 2021-06-10 12:43:53 +02:00
init pid: take a reference when initializing cad_pid 2021-06-10 12:43:51 +02:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:17:07 +02:00
kernel cgroup: disable controllers at parse time 2021-06-16 11:53:01 +02:00
lib lib: stackdepot: turn depot_lock spinlock to raw_spinlock 2021-05-22 10:57:43 +02:00
mm mm, hugetlb: fix simple resv_huge_pages underflow on UFFDIO_COPY 2021-06-10 12:43:51 +02:00
net netlink: disable IRQs for netlink_lock_table() 2021-06-16 11:53:01 +02:00
samples samples/bpf: Fix broken tracex1 due to kprobe argument change 2021-05-22 10:57:37 +02:00
scripts scripts: switch explicitly to Python 3 2021-06-03 08:36:11 +02:00
security security: commoncap: fix -Wstringop-overread warning 2021-05-22 10:57:21 +02:00
sound ASoC: sti-sas: add missing MODULE_DEVICE_TABLE 2021-06-16 11:53:00 +02:00
tools selftests/bpf: make 'dubious pointer arithmetic' test useful 2021-06-10 12:43:53 +02:00
usr initramfs: restore default compression behavior 2020-04-13 10:34:19 +02:00
virt KVM: arm64: Fix exclusive limit for IPA size 2021-03-17 16:34:35 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING
CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS MAINTAINERS: Update drm/i915 bug filing URL 2020-02-28 16:36:12 +01:00
Makefile Linux 4.14.236 2021-06-10 12:43:54 +02:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README 

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

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.