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Konstantin Khlebnikov 8ab1d40a64 block: remove rcu_read_lock() from part_stat_lock() 
The RCU lock is required only in disk_map_sector_rcu() to lookup the
partition.  After that request holds reference to related hd_struct.

Replace get_cpu() with preempt_disable() - returned cpu index is unused.

[hch: rebased]

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-05-27 05:21:23 -06:00
arch
Merge tag 'x86-urgent-2020-04-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-04-19 11:58:32 -07:00
block
block: remove rcu_read_lock() from part_stat_lock()
2020-05-27 05:21:23 -06:00
certs
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
crypto
x86: update AS_* macros to binutils >=2.23, supporting ADX and AVX2
2020-04-09 00:12:48 +09:00
Documentation
Documentation: Document the blk-crypto framework
2020-05-14 09:46:54 -06:00
drivers
zram: nvdimm: use bio_{start,end}_io_acct and disk_{start,end}_io_acct
2020-05-27 05:21:23 -06:00
fs
block: remove the error_sector argument to blkdev_issue_flush
2020-05-22 08:45:46 -06:00
include
block: remove rcu_read_lock() from part_stat_lock()
2020-05-27 05:21:23 -06:00
init
Merge tag 'kbuild-v5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2020-04-11 09:46:12 -07:00
ipc
ipc/util.c: sysvipc_find_ipc() should increase position index
2020-04-10 15:36:22 -07:00
kernel
blktrace: Report pid with note messages
2020-05-16 14:29:39 -06:00
lib
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-04-16 14:52:29 -07:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
bdi: remove the name field in struct backing_dev_info
2020-05-09 16:15:13 -06:00
net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-04-16 14:52:29 -07:00
samples
samples/hw_breakpoint: drop use of kallsyms_lookup_name()
2020-04-07 10:43:44 -07:00
scripts
Merge tag 'docs-fixes' of git://git.lwn.net/linux
2020-04-17 13:10:50 -07:00
security
Merge tag 'selinux-pr-20200416' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
2020-04-16 10:45:47 -07:00
sound
Merge tag 'sound-5.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2020-04-17 09:48:50 -07:00
tools
Merge branch 'block-5.7' into for-5.8/block
2020-05-09 16:13:58 -06:00
usr
kbuild: fix comment about missing include guard detection
2020-04-11 12:09:48 +09:00
virt
KVM: Pass kvm_init()'s opaque param to additional arch funcs
2020-03-31 10:48:03 -04:00
.clang-format
clang-format: Update with the latest for_each macro list
2020-03-06 21:50:05 +01:00
.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: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
.mailmap
mailmap: Add Sedat Dilek (replacement for expired email address)
2020-04-11 09:28:34 -07:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Hand MIPS over to Thomas
2020-02-24 22:43:18 -08:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2020-04-18 14:03:12 -07:00
Makefile
Linux 5.7-rc2
2020-04-19 14:35:30 -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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