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Davidlohr Bueso a0cff57bb2 kvm,x86: Fix apf_task_wake_one() wq serialization
During code inspection, the following potential race was seen:

CPU0   	    		    	     	CPU1
kvm_async_pf_task_wait			apf_task_wake_one
					  [L] swait_active(&n->wq)
  [S] prepare_to_swait(&n.wq)
  [L] if (!hlist_unhahed(&n.link))
	schedule()			  [S] hlist_del_init(&n->link);

Properly serialize swait_active() checks such that a wakeup is
not missed.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-15 16:57:12 +02:00
arch kvm,x86: Fix apf_task_wake_one() wq serialization 2017-09-15 16:57:12 +02:00
block SCSI misc on 20170907 2017-09-07 21:11:05 -07:00
certs modsign: add markers to endif-statements in certs/Makefile 2017-07-14 11:01:37 +10:00
crypto crypto: af_alg - get_page upon reassignment to TX SGL 2017-08-22 15:03:27 +08:00
Documentation First batch of KVM changes for 4.14 2017-09-08 15:18:36 -07:00
drivers RDMA/netlink: clean up message validity array initializer 2017-09-08 10:17:20 -07:00
firmware firmware/Makefile: force recompilation if makefile changes 2017-05-08 17:15:10 -07:00
fs This series has the ultimate goal of providing a sane stack rlimit when 2017-09-07 20:35:29 -07:00
include sched/wait: Add swq_has_sleeper() 2017-09-15 16:57:10 +02:00
init Merge branch 'for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2017-09-06 21:33:12 -07:00
ipc Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu 2017-08-21 09:45:19 +02:00
kernel Nothing new in development for this release. These are mostly 2017-09-08 15:08:14 -07:00
lib Merge tag 'md/4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md 2017-09-07 12:41:48 -07:00
mm Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block 2017-09-07 11:59:42 -07:00
net Merge branch 'for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 2017-09-06 22:25:25 -07:00
samples media updates for v4.14-rc1 2017-09-07 12:53:14 -07:00
scripts genksyms: fix gperf removal conversion 2017-09-08 14:32:34 -07:00
security audit/stable-4.14 PR 20170907 2017-09-07 20:48:25 -07:00
sound - New Drivers 2017-09-07 13:51:13 -07:00
tools linux-kselftest-4.14-rc1-update 2017-09-08 15:11:20 -07:00
usr ramfs: clarify help text that compression applies to ramfs as well as legacy ramdisk. 2017-07-06 16:24:30 -07:00
virt kvm,async_pf: Use swq_has_sleeper() 2017-09-15 16:57:11 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: Add support to generate LLVM assembly files 2017-04-25 08:13:52 +09:00
.mailmap power supply and reset changes for the v4.12 series (part 2) 2017-05-12 12:02:21 -07:00
COPYING
CREDITS avr32: remove support for AVR32 architecture 2017-05-01 09:27:15 +02:00
Kbuild kbuild: Consolidate header generation from ASM offset information 2017-04-13 05:43:37 +09:00
Kconfig
MAINTAINERS First batch of KVM changes for 4.14 2017-09-08 15:18:36 -07:00
Makefile Merge branch 'docs-next' of git://git.lwn.net/linux 2017-09-03 21:07:29 -07:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

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.