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Pavel Begunkov 17d3aeb33c io_uring: refactor io_get_sqe() 
The line of io_get_sqe() evaluating @head consists of too many
operations including READ_ONCE(), it's not convenient for probing.
Refactor it also improving readability.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/866ad6e4ef4851c7c61f6b0e08dbd0a8d1abce84.1623709150.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-06-15 15:38:39 -06:00
arch
Merge tag 'riscv-for-linus-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2021-06-12 13:57:49 -07:00
block
Merge tag 'block-5.13-2021-05-22' of git://git.kernel.dk/linux-block
2021-05-22 07:40:34 -10:00
certs
Merge tag 'kbuild-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2021-05-08 10:00:11 -07:00
crypto
async_xor: check src_offs is not NULL before updating it
2021-06-10 19:40:14 -07:00
Documentation
Merge tag 'usb-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2021-06-12 12:34:49 -07:00
drivers
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2021-06-13 12:25:33 -07:00
fs
io_uring: refactor io_get_sqe()
2021-06-15 15:38:39 -06:00
include
mm: relocate 'write_protect_seq' in struct mm_struct
2021-06-12 13:28:50 -07:00
init
pid: take a reference when initializing cad_pid
2021-06-05 08:58:11 -07:00
ipc
ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry
2021-05-22 15:09:07 -10:00
kernel
Merge tag 'sched-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-06-12 11:41:28 -07:00
lib
lib: crc64: fix kernel-doc warning
2021-06-05 08:58:12 -07:00
LICENSES
LICENSES: Add the CC-BY-4.0 license
2020-12-08 10:33:27 -07:00
mm
mm, hugetlb: fix simple resv_huge_pages underflow on UFFDIO_COPY
2021-06-05 08:58:12 -07:00
net
Merge tag 'net-5.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-06-04 18:25:39 -07:00
samples
Merge tag 'vfio-v5.13-rc5' of git://github.com/awilliam/linux-vfio
2021-06-03 11:52:24 -07:00
scripts
kbuild: Quote OBJCOPY var to avoid a pahole call break the build
2021-05-27 11:32:56 -07:00
security
trusted-keys: match tpm_get_ops on all return paths
2021-05-12 22:36:37 +03:00
sound
Merge tag 'sound-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2021-06-11 10:47:10 -07:00
tools
Merge tag 'perf-tools-fixes-for-v5.13-2021-06-13' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
2021-06-13 12:41:47 -07:00
usr
.gitignore: prefix local generated files with a slash
2021-05-02 00:43:35 +09:00
virt
KVM: VMX: update vcpu posted-interrupt descriptor when assigning device
2021-05-27 07:58:23 -04:00
.clang-format
clang-format: Update with the latest for_each macro list
2021-05-12 23:32:39 +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
.gitignore: ignore only top-level modules.builtin
2021-05-02 00:43:35 +09:00
.mailmap
mailmap: use private address for Michel Lespinasse
2021-06-05 08:58:12 -07:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: move Murali Karicheri to credits
2021-04-29 15:47:30 -07:00
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
Merge tag 'usb-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2021-06-12 12:34:49 -07:00
Makefile
Linux 5.13-rc6
2021-06-13 14:43:10 -07:00
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.
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