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Christian Brauner 1e1d0f0b1a
pid: use pid_has_task() in pidfd_open() 
Use the new pid_has_task() helper in pidfd_open(). This simplifies the
code and avoids taking rcu_read_{lock,unlock}() and leads to overall
nicer code.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/r/20191017101832.5985-5-christian.brauner@ubuntu.com
2019-10-17 15:37:00 +02:00
arch
USB fixes for 5.4-rc3
2019-10-12 15:37:12 -07:00
block
blk-wbt: fix performance regression in wbt scale_up/scale_down
2019-10-06 09:26:41 -06:00
certs
PKCS#7: Refactor verify_pkcs7_signature()
2019-08-05 18:40:18 -04:00
crypto
Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2019-09-28 08:14:15 -07:00
Documentation
hwmon fixes for v5.4-rc3
2019-10-13 08:40:31 -07:00
drivers
hwmon fixes for v5.4-rc3
2019-10-13 08:40:31 -07:00
fs
A few tracing fixes:
2019-10-13 14:47:10 -07:00
include
pidfd: check pid has attached task in fdinfo
2019-10-17 15:36:50 +02:00
init
Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2019-09-28 08:14:15 -07:00
ipc
ipc/sem.c: convert to use built-in RCU list checking
2019-09-25 17:51:41 -07:00
kernel
pid: use pid_has_task() in pidfd_open()
2019-10-17 15:37:00 +02:00
lib
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-10-12 14:46:14 -07:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
for-linus-20191010
2019-10-11 08:45:32 -07:00
net
NFS Client Bugfixes for Linux 5.4-rc3
2019-10-11 14:28:59 -07:00
samples
rpmsg updates for v5.4
2019-09-22 10:58:15 -07:00
scripts
A few tracing fixes:
2019-10-13 14:47:10 -07:00
security
selinux/stable-5.4 PR 20191007
2019-10-08 10:51:37 -07:00
sound
sound fixes for 5.4-rc1
2019-09-24 16:46:16 -07:00
tools
test: verify fdinfo for pidfd of reaped process
2019-10-17 15:36:54 +02:00
usr
kbuild: update compile-test header list for v5.4-rc2
2019-10-05 15:29:49 +09:00
virt
KVM/arm fixes for 5.4, take #1
2019-10-03 12:08:50 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
Modules updates for v5.4
2019-09-22 10:34:46 -07:00
.mailmap
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2019-09-18 12:34:53 -07:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
USB fixes for 5.4-rc3
2019-10-12 15:37:12 -07:00
Makefile
Linux 5.4-rc3
2019-10-13 16:37:36 -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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