diff options
| author | Davidlohr Bueso <davidlohr.bueso@hp.com> | 2013-07-08 16:01:18 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-18 07:45:46 -0700 |
| commit | 7b527fcdfdc6c4edfc6dad3bae254679ed63fc55 (patch) | |
| tree | d9d27a24ac49aeacc3d460a3ac15eda35736797b /ipc/sem.c | |
| parent | 8398fe18b48b6e4ac671898cd9b7327954b4ba5f (diff) | |
ipc,msg: shorten critical region in msgrcv
commit 41a0d523d0f626e9da0dc01de47f1b89058033cf upstream.
do_msgrcv() is the last msg queue function that abuses the ipc lock Take
it only when needed when actually updating msq.
Signed-off-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Rik van Riel <riel@redhat.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'ipc/sem.c')
0 files changed, 0 insertions, 0 deletions