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Pavel Begunkov d3cac64c49 io_uring: fix NULL-mm for linked reqs 
__io_queue_sqe() tries to handle all request of a link,
so it's not enough to grab mm in io_sq_thread_acquire_mm()
based just on the head.

Don't check req->needs_mm and do it always.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
2020-06-25 07:22:38 -06:00
arch
Merge tag 'kbuild-fixes-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2020-06-21 12:44:52 -07:00
block
block: provide plug based way of signaling forced no-wait semantics
2020-06-21 20:44:25 -06:00
certs
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
crypto
crypto: drbg - always try to free Jitter RNG instance
2020-06-15 17:38:54 +10:00
Documentation
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2020-06-20 19:18:27 -07:00
drivers
Merge tag 'pinctrl-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
2020-06-21 13:04:57 -07:00
fs
io_uring: fix NULL-mm for linked reqs
2020-06-25 07:22:38 -06:00
include
mm: add kiocb_wait_page_queue_init() helper
2020-06-21 20:44:26 -06:00
init
Merge tag 'kbuild-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2020-06-13 13:29:16 -07:00
ipc
mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
2020-06-09 09:39:14 -07:00
kernel
Merge tag 'trace-v5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2020-06-20 13:17:47 -07:00
lib
Merge tag 'kbuild-fixes-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2020-06-21 12:44:52 -07:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm: support async buffered reads in generic_file_buffered_read()
2020-06-21 20:44:25 -06:00
net
Merge tag 'ceph-for-5.8-rc2' of git://github.com/ceph/ceph-client
2020-06-19 12:25:04 -07:00
samples
Merge tag 'kbuild-fixes-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2020-06-21 12:44:52 -07:00
scripts
Merge tag 'kbuild-fixes-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2020-06-21 12:44:52 -07:00
security
Merge tag 'selinux-pr-20200621' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
2020-06-21 15:41:24 -07:00
sound
ASoC: SOF: Replace zero-length array with flexible-array
2020-06-15 23:08:32 -05:00
tools
io_uring: change the poll type to be 32-bits
2020-06-21 20:44:00 -06:00
usr
bpfilter: match bit size of bpfilter_umh to that of the kernel
2020-05-17 18:52:01 +09:00
virt
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2020-06-12 11:05:52 -07:00
.clang-format
block: add bio_for_each_bvec_all()
2020-05-25 11:25:24 +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
modpost: generate vmlinux.symvers and reuse it for the second modpost
2020-06-06 23:38:12 +09:00
.mailmap
Merge tag 'docs-5.8' of git://git.lwn.net/linux
2020-06-01 15:45:27 -07:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
mailmap: change email for Ricardo Ribalda
2020-05-25 18:59:59 -06:00
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 branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2020-06-20 19:18:27 -07:00
Makefile
Linux 5.8-rc2
2020-06-21 15:45:29 -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.
Description
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