The source for the Linux kernel used in Windows Subsystem for Linux 2 (WSL2)
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Michael Ellerman 88990745c9 cpuidle: pseries: Mark ->enter() functions as __cpuidle
Code in the idle path is not allowed to be instrumented because RCU is
disabled, see commit 0e985e9d22 ("cpuidle: Add comments about
noinstr/__cpuidle usage").

Mark the cpuidle ->enter() callbacks as __cpuidle and use the
raw_local_irq_*() routines to ensure that is the case.

Reported-by: Sachin Sant <sachinp@linux.ibm.com>
Link: https://lore.kernel.org/all/4C073F6A-C812-4C4A-BB7A-ECD10B75FB88@linux.ibm.com/
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Tested-by: Sachin Sant <sachinp@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230406144535.3786008-3-mpe@ellerman.id.au
2023-04-20 13:21:49 +10:00
Documentation
LICENSES
arch powerpc/64: Don't call trace_hardirqs_on() in prep_irq_for_idle() 2023-04-20 13:21:49 +10:00
block
certs
crypto
drivers cpuidle: pseries: Mark ->enter() functions as __cpuidle 2023-04-20 13:21:49 +10:00
fs Fixes for 6.3-rc1: 2023-03-12 09:47:08 -07:00
include
init
io_uring
ipc
kernel kernel.fork.v6.3-rc2 2023-03-12 09:04:28 -07:00
lib
mm
net wifi: cfg80211: Partial revert "wifi: cfg80211: Fix use after free for wext" 2023-03-12 16:21:59 -07:00
rust
samples
scripts
security
sound
tools selftests/powerpc/dscr: Restore timeout to DSCR selftests 2023-04-20 13:21:46 +10:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
.rustfmt.toml
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS powerpc: Add myself to MAINTAINERS for Power VFIO support 2023-03-15 00:52:09 +11:00
Makefile Linux 6.3-rc2 2023-03-12 16:36:44 -07:00
README

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.