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(parent: ac0ba20) | patch
ipc,msg: shorten critical region in msgsnd
authorDavidlohr Bueso <davidlohr.bueso@hp.com>
Mon, 8 Jul 2013 23:01:17 +0000 (16:01 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 9 Jul 2013 17:33:27 +0000 (10:33 -0700)
commit3dd1f784ed6603d7ab1043e51e6371235edf2313
tree21bd41e3f445ca3ba3b96b24f53e9e4adc2ea1fbtree | snapshot
parentac0ba20ea6f2201a1589d6dc26ad1a4f0f967bb8commit | diff
ipc,msg: shorten critical region in msgsnd

do_msgsnd() is another function that does too many things with the ipc
object lock acquired.  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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
ipc/msg.c diff | blob | history
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