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Paul E. McKenney 2cee0789b4 rcu-tasks: Use separate ->percpu_dequeue_lim for callback dequeueing
Decreasing the number of callback queues is a bit tricky because it
is necessary to handle callbacks that were queued before the number of
queues decreased, but which were not ready to invoke until afterwards.
This commit takes a first step in this direction by maintaining a separate
->percpu_dequeue_lim to control callback dequeueing, in addition to the
existing ->percpu_enqueue_lim which now controls only enqueueing.

Reported-by: Martin Lau <kafai@fb.com>
Cc: Neeraj Upadhyay <neeraj.iitr10@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2021-12-09 10:52:11 -08:00
arch parisc architecture build-, trace-, backtrace- and page table fixes 2021-11-14 11:53:59 -08:00
block
certs
crypto
Documentation rcu-tasks: Use more callback queues if contention encountered 2021-12-09 10:52:11 -08:00
drivers arch/sh updates for 5.16 2021-11-14 11:37:49 -08:00
fs Minor tweaks for 5.16: 2021-11-14 12:18:22 -08:00
include
init kconfig: Add support for -Wimplicit-fallthrough 2021-11-14 13:27:30 -08:00
ipc
kernel rcu-tasks: Use separate ->percpu_dequeue_lim for callback dequeueing 2021-12-09 10:52:11 -08:00
lib
LICENSES
mm
net
samples
scripts
security
sound
tools rcutorture: Add CONFIG_PREEMPT_DYNAMIC=n to tiny scenarios 2021-11-30 17:20:58 -08:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
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Makefile Linux 5.16-rc1 2021-11-14 13:56:52 -08:00
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.