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David Howells 8df441294d pipe: Check for ring full inside of the spinlock in pipe_write()
Make pipe_write() check to see if the ring has become full between it
taking the pipe mutex, checking the ring status and then taking the
spinlock.

This can happen if a notification is written into the pipe as that happens
without the pipe mutex.

Signed-off-by: David Howells <dhowells@redhat.com>
2019-11-15 16:22:54 +00:00
arch ARM: SoC fixes 2019-10-05 17:18:43 -07:00
block block: sed-opal: fix sparse warning: convert __be64 data 2019-10-03 14:21:32 -06:00
certs
crypto
Documentation Kbuild fixes for v5.4 2019-10-05 12:56:59 -07:00
drivers pipe: Use head and tail pointers for the ring, not cursor and length 2019-10-31 15:12:34 +00:00
fs pipe: Check for ring full inside of the spinlock in pipe_write() 2019-11-15 16:22:54 +00:00
include pipe: Allow pipes to have kernel-reserved slots 2019-11-15 16:22:54 +00:00
init
ipc
kernel Add wake_up_interruptible_sync_poll_locked() 2019-10-31 15:12:23 +00:00
lib pipe: Allow pipes to have kernel-reserved slots 2019-11-15 16:22:54 +00:00
LICENSES
mm
net nfc: fix memory leak in llcp_sock_bind() 2019-10-04 18:31:36 -07:00
samples
scripts scripts/setlocalversion: clear local variable to make it work for sh 2019-10-05 15:29:49 +09:00
security pipe: Reduce #inclusion of pipe_fs_i.h 2019-10-23 17:02:34 +01:00
sound
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-10-05 08:50:15 -07:00
usr kbuild: update compile-test header list for v5.4-rc2 2019-10-05 15:29:49 +09:00
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS kgdb patches for 5.4-rc2 2019-10-03 11:17:57 -07:00
Makefile Linux 5.4-rc2 2019-10-06 14:27:30 -07:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

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.