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Pavel Begunkov 625d38b3fd io_uring: improve io_run_task_work() 
Since SQPOLL now uses TWA_SIGNAL_NO_IPI, there won't be task work items
without TIF_NOTIFY_SIGNAL. Simplify io_run_task_work() by removing
task->task_works check. Even though looks it doesn't cause extra cache
bouncing, it's still nice to not touch it an extra time when it might be
not cached.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/75d4f34b0c671075892821a409e28da6cb1d64fe.1655802465.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-07-24 18:39:15 -06:00
arch
- Reorganize the perf LBR init code so that a TSX quirk is applied early
2022-07-24 09:55:53 -07:00
block
block: fix missing blkcg_bio_issue_init
2022-07-14 10:54:49 -06:00
certs
certs: make system keyring depend on x509 parser
2022-07-24 12:53:55 -07:00
crypto
crypto: s390 - do not depend on CRYPTO_HW for SIMD implementations
2022-07-06 20:04:06 -07:00
Documentation
* Check for invalid flags to KVM_CAP_X86_USER_SPACE_MSR
2022-07-23 10:22:26 -07:00
drivers
- Make retbleed mitigations 64-bit only (32-bit will need a bit more
2022-07-24 09:40:17 -07:00
fs
io_uring: move to separate directory
2022-07-24 18:39:10 -06:00
include
io_uring: hide eventfd assumptions in eventfd paths
2022-07-24 18:39:14 -06:00
init
gcc-12: disable '-Warray-bounds' universally for now
2022-06-09 10:11:12 -07:00
io_uring
io_uring: improve io_run_task_work()
2022-07-24 18:39:15 -06:00
ipc
ipc: Free mq_sysctls if ipc namespace creation failed
2022-06-22 17:47:41 -05:00
kernel
io_uring: move to separate directory
2022-07-24 18:39:10 -06:00
lib
ubsan: disable UBSAN_DIV_ZERO for clang
2022-07-14 15:45:26 -07:00
LICENSES
LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers
2021-12-16 14:33:10 +01:00
mm
mm: split huge PUD on wp_huge_pud fallback
2022-07-03 15:42:33 -07:00
net
net/sched: cls_api: Fix flow action initialization
2022-07-20 10:54:27 +01:00
samples
Fixes and minor clean ups for tracing:
2022-07-12 16:17:40 -07:00
scripts
scripts/gdb: Fix gdb 'lx-symbols' command
2022-07-21 10:40:55 -07:00
security
lockdown: Fix kexec lockdown bypass with ima policy
2022-07-20 09:56:48 -07:00
sound
ASoC: Drop Rockchip BCLK management for v5.19
2022-07-15 12:31:07 +02:00
tools
* Check for invalid flags to KVM_CAP_X86_USER_SPACE_MSR
2022-07-23 10:22:26 -07:00
usr
Not a lot of material this cycle. Many singleton patches against various
2022-05-27 11:22:03 -07:00
virt
KVM: x86: disable preemption around the call to kvm_arch_vcpu_{un|}blocking
2022-06-09 10:52:20 -04:00
.clang-format
clang-format: Fix space after for_each macros
2022-05-20 19:27:16 +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
kbuild: split the second line of *.mod into *.usyms
2022-05-08 03:16:59 +09:00
.mailmap
cxl fixes for 5.19-rc6
2022-07-08 12:55:25 -07:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: mark ARM/PALM TREO SUPPORT orphan
2022-07-07 15:17:00 +02:00
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
io_uring: move to separate directory
2022-07-24 18:39:10 -06:00
Makefile
io_uring: move to separate directory
2022-07-24 18:39:10 -06:00
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.
Description
Linux kernel source tree
Readme 3.3 GiB
Languages
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Assembly 1%
Shell 0.6%
Python 0.3%
Makefile 0.3%