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Paul E. McKenney f60d231a87 srcu: Crude control of expedited grace periods
SRCU's implementation of expedited grace periods has always assumed
that the SRCU instance is idle when the expedited request arrives.
This commit improves this a bit by maintaining a count of the number
of outstanding expedited requests, thus allowing prior non-expedited
grace periods accommodate these requests by shifting to expedited mode.
However, any non-expedited wait already in progress will still wait for
the full duration.

Improved control of expedited grace periods is planned, but one step
at a time.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2017-04-18 11:38:22 -07:00
arch rcu: Make arch select smp_mb__after_unlock_lock() strength 2017-04-18 11:20:15 -07:00
block
certs
crypto
Documentation rcu: Place guard on rcu_all_qs() and rcu_note_context_switch() actions 2017-04-18 11:38:18 -07:00
drivers Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-03-12 14:11:38 -07:00
firmware
fs
include srcu: Crude control of expedited grace periods 2017-04-18 11:38:22 -07:00
init
ipc
kernel srcu: Crude control of expedited grace periods 2017-04-18 11:38:22 -07:00
lib
mm
net
samples
scripts
security
sound
tools
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 4.11-rc2 2017-03-12 14:47:08 -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.