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Mikulas Patocka dcf2f00b08 dm clone: replace spin_lock_irqsave with spin_lock_irq 
[ Upstream commit 6ca43ed8376a51afec790dd484a51804ade4352a ]

If we are in a place where it is known that interrupts are enabled,
functions spin_lock_irq/spin_unlock_irq should be used instead of
spin_lock_irqsave/spin_unlock_irqrestore.

spin_lock_irq and spin_unlock_irq are faster because they don't need to
push and pop the flags register.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Nikos Tsironis <ntsironis@arrikto.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-04-17 10:50:23 +02:00
arch
arm64: Always force a branch protection mode when the compiler has one
2020-04-17 10:50:23 +02:00
block
block, bfq: fix use-after-free in bfq_idle_slice_timer_body
2020-04-17 10:50:05 +02:00
certs
PKCS#7: Refactor verify_pkcs7_signature()
2019-08-05 18:40:18 -04:00
crypto
crypto: rng - Fix a refcounting bug in crypto_rng_reset()
2020-04-17 10:50:16 +02:00
Documentation
ALSA: hda/realtek - Remove now-unnecessary XPS 13 headphone noise fixups
2020-04-17 10:50:08 +02:00
drivers
dm clone: replace spin_lock_irqsave with spin_lock_irq
2020-04-17 10:50:23 +02:00
fs
hfsplus: fix crash and filesystem corruption when deleting files
2020-04-17 10:50:22 +02:00
include
xarray: Fix early termination of xas_for_each_marked
2020-04-17 10:50:18 +02:00
init
kbuild: remove header compile test
2020-03-05 16:43:47 +01:00
ipc
Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()"
2020-02-28 17:22:20 +01:00
kernel
kmod: make request_module() return an error when autoloading is disabled
2020-04-17 10:50:22 +02:00
lib
xarray: Fix early termination of xas_for_each_marked
2020-04-17 10:50:18 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm, memcg: do not high throttle allocators based on wraparound
2020-04-17 10:50:17 +02:00
net
cfg80211: Do not warn on same channel at the end of CSA
2020-04-17 10:49:59 +02:00
samples
samples/bpf: Set -fno-stack-protector when building BPF programs
2020-02-24 08:36:36 +01:00
scripts
kconfig: introduce m32-flag and m64-flag
2020-04-08 09:08:37 +02:00
security
KEYS: reaching the keys quotas correctly
2020-04-17 10:50:11 +02:00
sound
ALSA: hda/realtek - Add quirk for MSI GL63
2020-04-17 10:50:08 +02:00
tools
perf tools: Support Python 3.8+ in Makefile
2020-04-17 10:50:21 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: Check for a bad hva before dropping into the ghc slow path
2020-03-05 16:43:48 +01:00
.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
…
.gitignore
Modules updates for v5.4
2019-09-22 10:34:46 -07:00
.mailmap
ARM: SoC fixes
2019-11-10 13:41:59 -08:00
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
MAINTAINERS: Update drm/i915 bug filing URL
2020-02-28 17:22:19 +01:00
Makefile
Linux 5.4.32
2020-04-13 10:48:18 +02:00
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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