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Filename Latest commit message Latest commit date
Rafael J. Wysocki ed98c34919 sched: idle: Do not stop the tick before cpuidle_idle_call()
Make cpuidle_idle_call() decide whether or not to stop the tick.

First, the cpuidle_enter_s2idle() path deals with the tick (and with
the entire timekeeping for that matter) by itself and it doesn't need
the tick to be stopped beforehand.

Second, to address the issue with short idle duration predictions
by the idle governor after the tick has been stopped, it will be
necessary to change the ordering of cpuidle_select() with respect
to tick_nohz_idle_stop_tick().  To prepare for that, put a
tick_nohz_idle_stop_tick() call in the same branch in which
cpuidle_select() is called.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
2018-04-05 19:01:29 +02:00
arch time: tick-sched: Reorganize idle tick management code 2018-04-05 18:58:47 +02:00
block
certs
crypto
Documentation Power management updates for 4.17-rc1 2018-04-03 10:45:39 -07:00
drivers Power management updates for 4.17-rc1 2018-04-03 10:45:39 -07:00
firmware
fs Merge branch 'syscalls-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux 2018-04-02 21:22:12 -07:00
include sched: idle: Do not stop the tick upfront in the idle loop 2018-04-05 19:01:14 +02:00
init Merge branch 'syscalls-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux 2018-04-02 21:22:12 -07:00
ipc Merge branch 'syscalls-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux 2018-04-02 21:22:12 -07:00
kernel sched: idle: Do not stop the tick before cpuidle_idle_call() 2018-04-05 19:01:29 +02:00
lib arch: remove obsolete architecture ports 2018-04-02 20:20:12 -07:00
LICENSES
mm Merge branch 'syscalls-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux 2018-04-02 21:22:12 -07:00
net Merge branch 'syscalls-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux 2018-04-02 21:22:12 -07:00
samples
scripts arch: remove obsolete architecture ports 2018-04-02 20:20:12 -07:00
security
sound
tools Power management updates for 4.17-rc1 2018-04-03 10:45:39 -07:00
usr
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MAINTAINERS arch: remove obsolete architecture ports 2018-04-02 20:20:12 -07:00
Makefile arch: remove obsolete architecture ports 2018-04-02 20:20:12 -07:00
README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

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.