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Filename Latest commit message Latest commit date
Bart Van Assche 4ddd56b003 block: Relax a check in blk_start_queue()
Calling blk_start_queue() from interrupt context with the queue
lock held and without disabling IRQs, as the skd driver does, is
safe. This patch avoids that loading the skd driver triggers the
following warning:

WARNING: CPU: 11 PID: 1348 at block/blk-core.c:283 blk_start_queue+0x84/0xa0
RIP: 0010:blk_start_queue+0x84/0xa0
Call Trace:
 skd_unquiesce_dev+0x12a/0x1d0 [skd]
 skd_complete_internal+0x1e7/0x5a0 [skd]
 skd_complete_other+0xc2/0xd0 [skd]
 skd_isr_completion_posted.isra.30+0x2a5/0x470 [skd]
 skd_isr+0x14f/0x180 [skd]
 irq_forced_thread_fn+0x2a/0x70
 irq_thread+0x144/0x1a0
 kthread+0x125/0x140
 ret_from_fork+0x2a/0x40

Fixes: commit a038e25364 ("[PATCH] blk_start_queue() must be called with irq disabled - add warning")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Andrew Morton <akpm@osdl.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2017-08-18 08:45:29 -06:00
arch s390: SRCU fix. 2017-07-28 13:36:56 -07:00
block block: Relax a check in blk_start_queue() 2017-08-18 08:45:29 -06:00
certs
crypto
Documentation Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-07-28 12:31:49 -07:00
drivers xen-blkfront: Avoid that gcc 7 warns about fall-through when building with W=1 2017-08-18 08:36:58 -06:00
firmware
fs blktrace: add an option to allow displaying cgroup path 2017-07-29 09:00:03 -06:00
include blk-mq: Make blk_mq_reinit_tagset() calls easier to read 2017-08-18 08:36:58 -06:00
init
ipc
kernel block: use standard blktrace API to output cgroup info for debug notes 2017-07-29 09:00:03 -06:00
lib uuid: fix incorrect uuid_equal conversion in test_uuid_test 2017-07-21 09:38:30 +02:00
mm
net NFS client bugfixes for 4.13 2017-07-21 16:26:01 -07:00
samples
scripts DeviceTree fixes for 4.13: 2017-07-28 17:21:41 -07:00
security
sound sound fixes for 4.13-rc3 2017-07-27 10:44:28 -07:00
tools tools/kvm_stat: add '-f help' to get the available event list 2017-07-26 19:04:53 +02:00
usr
virt KVM: make pid available for uevents without debugfs 2017-07-26 18:57:44 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Properly alphabetize MAINTAINERS file 2017-07-23 16:06:21 -07:00
Makefile Linux 4.13-rc2 2017-07-23 16:15:17 -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.