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Filename Latest commit message Latest commit date
Bart Van Assche 2c2086afc2 block: Protect less code with sysfs_lock in blk_{un,}register_queue()
The __blk_mq_register_dev(), blk_mq_unregister_dev(),
elv_register_queue() and elv_unregister_queue() calls need to be
protected with sysfs_lock but other code in these functions not.
Hence protect only this code with sysfs_lock. This patch fixes a
locking inversion issue in blk_unregister_queue() and also in an
error path of blk_register_queue(): it is not allowed to hold
sysfs_lock around the kobject_del(&q->kobj) call.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-01-18 12:54:44 -07:00
arch Revert "mm: replace p??_write with pte_access_permitted in fault + gup paths" 2017-12-15 18:53:22 -08:00
block block: Protect less code with sysfs_lock in blk_{un,}register_queue() 2018-01-18 12:54:44 -07:00
certs
crypto crypto: scompress - use sgl_alloc() and sgl_free() 2018-01-06 09:18:00 -07:00
Documentation Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs 2017-12-15 12:46:48 -08:00
drivers blk-mq: improve DM's blk-mq IO merging via blk_insert_cloned_request feedback 2018-01-17 09:46:54 -07:00
firmware
fs writeback: update comment in inode_io_list_move_locked 2018-01-06 09:18:00 -07:00
include block: Unexport elv_register_queue() and elv_unregister_queue() 2018-01-18 12:54:41 -07:00
init
ipc
kernel genirq/affinity: assign vectors to all possible CPUs 2018-01-12 11:01:38 -07:00
lib lib/scatterlist: Introduce sgl_alloc() and sgl_free() 2018-01-06 09:18:00 -07:00
mm block: convert to bio_first_bvec_all & bio_first_page_all 2018-01-06 09:18:00 -07:00
net NFS client fixes for Linux 4.15-rc4 2017-12-16 13:12:53 -08:00
samples
scripts Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-12-15 11:44:59 -08:00
security
sound
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-12-15 13:08:37 -08:00
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-12-15 13:08:37 -08:00
Makefile Linux 4.15-rc4 2017-12-17 18:59:59 -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.