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Paul E. McKenney 15fecf89e4 srcu: Abstract multi-tail callback list handling
RCU has only one multi-tail callback list, which is implemented via
the nxtlist, nxttail, nxtcompleted, qlen_lazy, and qlen fields in the
rcu_data structure, and whose operations are open-code throughout the
Tree RCU implementation.  This has been more or less OK in the past,
but upcoming callback-list optimizations in SRCU could really use
a multi-tail callback list there as well.

This commit therefore abstracts the multi-tail callback list handling
into a new kernel/rcu/rcu_segcblist.h file, and uses this new API.
The simple head-and-tail pointer callback list is also abstracted and
applied everywhere except for the NOCB callback-offload lists.  (Yes,
the plan is to apply them there as well, but this commit is already
bigger than would be good.)

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2017-04-18 11:38:18 -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 Merge branch 'prep-for-5level' 2017-03-10 08:59:07 -08:00
include rcu: Make arch select smp_mb__after_unlock_lock() strength 2017-04-18 11:20:15 -07:00
init Change get_random_{int,log} to use the CRNG used by /dev/urandom and 2017-03-11 09:08:47 -08:00
ipc
kernel srcu: Abstract multi-tail callback list handling 2017-04-18 11:38:18 -07:00
lib
mm Merge branch 'prep-for-5level' 2017-03-10 08:59:07 -08:00
net
samples
scripts Merge branch 'akpm' (patches from Andrew) 2017-03-10 08:34:42 -08:00
security
sound scripts/spelling.txt: add "disble(d)" pattern and fix typo instances 2017-03-09 17:01:09 -08:00
tools userfaultfd: selftest: vm: allow to build in vm/ directory 2017-03-09 17:01:10 -08:00
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
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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.