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Filename Latest commit message Latest commit date
Jens Axboe 7b36a7189f block: don't call ioc_exit_icq() with the queue lock held for blk-mq
For legacy scheduling, we always call ioc_exit_icq() with both the
ioc and queue lock held. This poses a problem for blk-mq with
scheduling, since the queue lock isn't what we use in the scheduler.
And since we don't need the queue lock held for ioc exit there,
don't grab it and leave any extra locking up to the blk-mq scheduler.

Reported-by: Paolo Valente <paolo.valente@linaro.org>
Tested-by: Paolo Valente <paolo.valente@linaro.org>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
2017-03-02 13:59:08 -07:00
arch Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-03-01 17:04:50 -08:00
block block: don't call ioc_exit_icq() with the queue lock held for blk-mq 2017-03-02 13:59:08 -07:00
certs
crypto
Documentation for-f2fs-4.11 2017-03-01 15:55:04 -08:00
drivers loop: fix LO_FLAGS_PARTSCAN hang 2017-03-02 08:56:59 -07:00
firmware
fs block: Initialize bd_bdi on inode initialization 2017-03-02 08:56:59 -07:00
include blk-mq: Provide freeze queue timeout 2017-03-02 08:56:04 -07:00
init Merge branch 'idr-4.11' of git://git.infradead.org/users/willy/linux-dax 2017-02-28 20:29:41 -08:00
ipc
kernel Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-02-28 11:44:01 -08:00
lib Merge branch 'idr-4.11' of git://git.infradead.org/users/willy/linux-dax 2017-02-28 20:29:41 -08:00
mm Merge branch 'idr-4.11' of git://git.infradead.org/users/willy/linux-dax 2017-02-28 20:29:41 -08:00
net NFS client updates for Linux 4.11 2017-03-01 16:10:30 -08:00
samples
scripts objtool, modules: Discard objtool annotation sections for modules 2017-03-01 20:32:25 +01:00
security lib/vsprintf.c: remove %Z support 2017-02-27 18:43:47 -08:00
sound sound fixes for 4.11-rc1 2017-03-01 09:59:21 -08:00
tools objtool, modules: Discard objtool annotation sections for modules 2017-03-01 20:32:25 +01:00
usr
virt mm: add new mmget() helper 2017-02-27 18:43:48 -08:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS powerpc updates for 4.11 part 2 2017-03-01 10:10:16 -08:00
Makefile Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-02-28 10:15:59 -08:00
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.