]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 9245b8f) | patch
tty: Avoid false-sharing flip buffer ptrs
authorPeter Hurley <peter@hurleysoftware.com>
Sat, 15 Jun 2013 13:36:12 +0000 (09:36 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 23 Jul 2013 23:47:09 +0000 (16:47 -0700)
commitd44cbf6db1a43f1217e4f372f4715ed228a52718
treec4733126d13fdf57e10638c18da280c0e7e103actree | snapshot
parent9245b8feef6a175b98789f5723285f00a889e831commit | diff
tty: Avoid false-sharing flip buffer ptrs

Separate the head and tail ptrs to avoid cache-line contention
(so called 'false-sharing') between concurrent threads.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
include/linux/tty.h diff | blob | history
Linux Kernel Source Tree.