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Linus Torvalds c288d9cd71 for-5.14/io_uring-2021-06-30
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Merge tag 'for-5.14/io_uring-2021-06-30' of git://git.kernel.dk/linux-block

Pull io_uring updates from Jens Axboe:

 - Multi-queue iopoll improvement (Fam)

 - Allow configurable io-wq CPU masks (me)

 - renameat/linkat tightening (me)

 - poll re-arm improvement (Olivier)

 - SQPOLL race fix (Olivier)

 - Cancelation unification (Pavel)

 - SQPOLL cleanups (Pavel)

 - Enable file backed buffers for shmem/memfd (Pavel)

 - A ton of cleanups and performance improvements (Pavel)

 - Followup and misc fixes (Colin, Fam, Hao, Olivier)

* tag 'for-5.14/io_uring-2021-06-30' of git://git.kernel.dk/linux-block: (83 commits)
  io_uring: code clean for kiocb_done()
  io_uring: spin in iopoll() only when reqs are in a single queue
  io_uring: pre-initialise some of req fields
  io_uring: refactor io_submit_flush_completions
  io_uring: optimise hot path restricted checks
  io_uring: remove not needed PF_EXITING check
  io_uring: mainstream sqpoll task_work running
  io_uring: refactor io_arm_poll_handler()
  io_uring: reduce latency by reissueing the operation
  io_uring: add IOPOLL and reserved field checks to IORING_OP_UNLINKAT
  io_uring: add IOPOLL and reserved field checks to IORING_OP_RENAMEAT
  io_uring: refactor io_openat2()
  io_uring: simplify struct io_uring_sqe layout
  io_uring: update sqe layout build checks
  io_uring: fix code style problems
  io_uring: refactor io_sq_thread()
  io_uring: don't change sqpoll creds if not needed
  io_uring: Create define to modify a SQPOLL parameter
  io_uring: Fix race condition when sqp thread goes to sleep
  io_uring: improve in tctx_task_work() resubmission
  ...
History 2021-07-01 12:16:24 -07:00
arch \n 2021-07-01 12:06:39 -07:00
block - Various DM persistent-data library improvements and fixes that 2021-06-30 18:19:39 -07:00
certs Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-06-28 16:04:56 -07:00
Documentation In addition to bug fixes and cleanups, there are two new features for 2021-06-30 19:37:39 -07:00
drivers - Various DM persistent-data library improvements and fixes that 2021-06-30 18:19:39 -07:00
fs for-5.14/io_uring-2021-06-30 2021-07-01 12:16:24 -07:00
include for-5.14/io_uring-2021-06-30 2021-07-01 12:16:24 -07:00
init Clang feature updates for v5.14-rc1 2021-06-30 14:33:25 -07:00
ipc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2021-06-28 20:39:26 -07:00
kernel \n 2021-07-01 12:06:39 -07:00
lib Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
LICENSES LICENSES: Add the CC-BY-4.0 license 2020-12-08 10:33:27 -07:00
mm for-5.14/block-2021-06-29 2021-06-30 12:12:56 -07:00
net Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
samples Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
scripts Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
security One very minor code cleanup change 2021-06-30 15:30:47 -07:00
sound spi: Updates for v5.14 2021-06-28 11:10:20 -07:00
tools Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
.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 m68k updates for v5.14 2021-06-28 14:01:03 -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 Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
Makefile arm64 updates for 5.14 2021-06-28 14:04:24 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.