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Rama Aparna Mallavarapu 902ad8fa08 ANDROID: GKI: PM / devfreq: Fix race condition between suspend/resume and governor_store 
There is a race condition when the event governor_store is being executed
from sysfs and the device issues a suspend. The devfreq data structures
would become stale when the suspend tries to access them in the middle
of the governor_store operation. Fix this issue by taking a lock around
suspend and resume operations so that these operations are not concurrent
with the other events from sysfs.

Also rename the sysfs_lock as event_lock since the same lock is used
for non sysfs operations like suspend and resume as well.

Change-Id: Ifa0e93915a920cec3e0429966328a1128d61098b
Signed-off-by: Rama Aparna Mallavarapu <aparnam@codeaurora.org>
Bug: 152343889
(cherry picked from commit 8bf200e7136a6896e429e9bfab116238c1d99be6)
Signed-off-by: Saravana Kannan <saravanak@google.com>
2020-04-08 00:21:28 -07:00
arch
ANDROID: GKI: Remove SCHED_AUTOGROUP
2020-04-08 05:59:48 +00:00
block
ANDROID: block: require drivers to declare supported crypto key type(s)
2020-04-07 17:57:33 +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
ANDROID: GKI: drivers: thermal: Add post suspend evaluate flag to thermal zone devicetree
2020-04-06 07:17:38 -07:00
drivers
ANDROID: GKI: PM / devfreq: Fix race condition between suspend/resume and governor_store
2020-04-08 00:21:28 -07:00
firmware
Fix built-in early-load Intel microcode alignment
2020-01-23 08:21:29 +01:00
fs
ANDROID: fscrypt: fall back to filesystem-layer crypto when needed
2020-04-07 17:57:41 +00:00
include
ANDROID: GKI: PM / devfreq: Fix race condition between suspend/resume and governor_store
2020-04-08 00:21:28 -07:00
init
ANDROID: GKI: remove DRM_KMS_CMA_HELPER from GKI configuration
2020-04-02 23:21:45 +00:00
ipc
Merge 4.19.107 into android-4.19
2020-03-03 07:33:01 +01:00
kernel
FROMLIST: kmod: make request_module() return an error when autoloading is disabled
2020-04-06 10:44:34 -07:00
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
Merge 4.19.113 into android-4.19
2020-03-25 09:50:38 +01:00
net
Merge 4.19.114 into android-4.19
2020-04-03 08:17:23 +02:00
samples
FROMGIT: samples/hw_breakpoint: drop use of kallsyms_lookup_name()
2020-03-12 11:18:49 +00:00
scripts
ANDROID: kbuild: ensure __cfi_check is correctly aligned
2020-04-06 20:34:01 +00:00
security
Merge 4.19.106 into android-4.19
2020-02-24 09:13:25 +01:00
sound
ANDROID: GKI: ASoC: soc-core: export function to find components
2020-04-07 11:05:17 -07:00
tools
ANDROID: Incremental fs: Fix remount
2020-04-03 17:25:37 +00:00
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
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.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
2020-04-03 12:15:01 -07:00
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: GKI: Bulk update ABI
2020-04-07 11:05:17 -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 10.0.5
2020-03-30 20:08:33 +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
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
ANDROID: kbuild: ensure __cfi_check is correctly aligned
2020-04-06 20:34:01 +00:00
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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