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Michal Koutný 6f2a9a3536 UPSTREAM: cgroup: Iterate tasks that did not finish do_exit() 
PF_EXITING is set earlier than actual removal from css_set when a task
is exitting. This can confuse cgroup.procs readers who see no PF_EXITING
tasks, however, rmdir is checking against css_set membership so it can
transitionally fail with EBUSY.

Fix this by listing tasks that weren't unlinked from css_set active
lists.
It may happen that other users of the task iterator (without
CSS_TASK_ITER_PROCS) spot a PF_EXITING task before cgroup_exit(). This
is equal to the state before commit c03cd7738a ("cgroup: Include dying
leaders with live threads in PROCS iterations") but it may be reviewed
later.

Reported-by: Suren Baghdasaryan <surenb@google.com>
Fixes: c03cd7738a ("cgroup: Include dying leaders with live threads in PROCS iterations")
Signed-off-by: Michal Koutný <mkoutny@suse.com>
(cherry picked from commit 9c974c7724)
Bug: 141213848
Bug: 146758430
Test: test_cgcore_destroy from linux-kselftest
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Change-Id: Iac57661b931129ed1e44b89675f8115bb89084ff
(cherry picked from commit 21ee296526c70d6dc3c64639406f156f39b80fd0)
2020-03-16 21:15:43 +00:00
arch
Revert "ANDROID: gki_defconfig: Temporarily disable CFI"
2020-03-16 11:28:42 -07:00
block
ANDROID: block: Prevent crypto fallback for wrapped keys
2020-02-27 17:09:12 +00:00
certs
export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR()
2018-08-22 23:21:44 +09:00
crypto
UPSTREAM: crypto: skcipher - Introduce crypto_sync_skcipher
2020-03-12 10:46:18 -07:00
Documentation
UPSTREAM: mm: Avoid creating virtual address aliases in brk()/mmap()/mremap()
2020-03-13 18:25:36 +00:00
drivers
ANDROID: GKI: dma-buf: Add support for XXX_cpu_access_umapped ops
2020-03-16 18:13:07 +00:00
firmware
Fix built-in early-load Intel microcode alignment
2020-01-23 08:21:29 +01:00
fs
UPSTREAM: fscrypt: don't evict dirty inodes after removing key
2020-03-11 14:05:28 -07:00
include
UPSTREAM: cgroup: Iterate tasks that did not finish do_exit()
2020-03-16 21:15:43 +00:00
init
ANDROID: GKI: enable PM_GENERIC_DOMAINS by default
2020-03-09 11:32:05 -07:00
ipc
Merge 4.19.107 into android-4.19
2020-03-03 07:33:01 +01:00
kernel
UPSTREAM: cgroup: Iterate tasks that did not finish do_exit()
2020-03-16 21:15:43 +00:00
lib
FROMLIST: lib: test_stackinit.c: XFAIL switch variable init tests
2020-03-05 17:59:19 +00:00
LICENSES
LICENSES: Remove CC-BY-SA-4.0 license text
2018-10-18 11:28:50 +02:00
mm
UPSTREAM: mm: Avoid creating virtual address aliases in brk()/mmap()/mremap()
2020-03-13 18:25:36 +00:00
net
ANDROID: GKI: cfg80211: Add AP stopped interface
2020-03-12 10:46:18 -07:00
samples
FROMGIT: samples/hw_breakpoint: drop use of kallsyms_lookup_name()
2020-03-12 11:18:49 +00:00
scripts
ANDROID: kbuild: align UNUSED_KSYMS_WHITELIST with upstream
2020-03-10 13:08:52 +00:00
security
Merge 4.19.106 into android-4.19
2020-02-24 09:13:25 +01:00
sound
Merge 4.19.109 into android-4.19
2020-03-11 17:10:39 +01:00
tools
Merge 4.19.109 into android-4.19
2020-03-11 17:10:39 +01:00
usr
kbuild: clean compressed initramfs image
2019-10-07 18:57:16 +02:00
virt
KVM: Check for a bad hva before dropping into the ghc slow path
2020-03-05 16:42:21 +01:00
.clang-format
clang-format: Set IndentWrappedFunctionNames false
2018-08-01 18:38:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
…
.gitattributes
…
.gitignore
Merge tag 'kbuild-v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2018-04-15 17:21:30 -07:00
.mailmap
Merge tag 'libnvdimm-for-4.19_misc' of gitolite.kernel.org:pub/scm/linux/kernel/git/nvdimm/nvdimm
2018-08-25 18:13:10 -07:00
abi_gki_aarch64_cuttlefish_whitelist
ANDROID: ABI/Whitelist: update for Cuttlefish
2020-02-12 11:11:16 +00:00
abi_gki_aarch64_qcom_whitelist
ANDROID: Update ABI whitelist for qcom SoCs
2020-03-06 14:50:51 -08:00
abi_gki_aarch64_whitelist
ANDROID: abi_gki_aarch64_whitelist: add module_layout and task_struct
2020-03-05 09:07:15 +00:00
abi_gki_aarch64.xml
ANDROID: update the ABI xml representation
2020-03-16 11:35:02 -07:00
build.config.aarch64
ANDROID: refactor build.config files to remove duplication
2019-10-22 18:27:12 -07:00
build.config.allmodconfig
ANDROID: Don't base allmodconfig on gki_defconfig
2019-12-05 12:48:26 +00:00
build.config.allmodconfig.aarch64
ANDROID: Add allmodconfig build.configs for x86_64 and aarch64
2019-11-12 20:55:23 +00:00
build.config.allmodconfig.arm
ANDROID: Add build.config files for ARM 32-bit
2020-03-16 17:43:55 +00:00
build.config.allmodconfig.x86_64
ANDROID: Add allmodconfig build.configs for x86_64 and aarch64
2019-11-12 20:55:23 +00:00
build.config.arm
ANDROID: Add build.config files for ARM 32-bit
2020-03-16 17:43:55 +00:00
build.config.common
ANDROID: clang: update to 10.0.4
2020-02-19 19:33:36 +00:00
build.config.cuttlefish.aarch64
ANDROID: cf build: Use merge_configs
2020-02-18 21:19:23 +00:00
build.config.cuttlefish.x86_64
ANDROID: cf build: Use merge_configs
2020-02-18 21:19:23 +00:00
build.config.gki
ANDROID: gki: Removed cf modules from gki_defconfig
2020-01-31 16:23:38 -08:00
build.config.gki-debug.aarch64
ANDROID: Add build.config.gki-debug.aarch64
2020-03-16 14:29:13 +00:00
build.config.gki-debug.x86_64
ANDROID: Add build.config.gki-debug.x86_64
2020-03-16 14:29:13 +00:00
build.config.gki.aarch64
ANDROID: Add ABI Whitelist for qcom
2020-02-28 23:45:43 +00:00
build.config.gki.x86_64
ANDROID: refactor build.config files to remove duplication
2019-10-22 18:27:12 -07:00
build.config.x86_64
ANDROID: refactor build.config files to remove duplication
2019-10-22 18:27:12 -07:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
9p: remove Ron Minnich from MAINTAINERS
2018-08-17 16:20:26 -07:00
cuttlefish.fragment
ANDROID: Add TPM support and the vTPM proxy to Cuttlefish.
2020-03-13 17:19:53 +00:00
Kbuild
Merge tag 'kbuild-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2017-11-17 17:45:29 -08:00
Kconfig
kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt
2018-08-02 08:06:55 +09:00
MAINTAINERS
Merge 4.19.107 into android-4.19
2020-03-03 07:33:01 +01:00
Makefile
Merge 4.19.110 into android-4.19
2020-03-16 11:07:08 +01:00
README
Docs: Added a pointer to the formatted docs to README
2018-03-21 09:02:53 -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.
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.
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