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| author |   Davidlohr Bueso <davidlohr.bueso@hp.com> | 2013-07-08 16:01:18 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-09 10:33:27 -0700 |
| commit | 41a0d523d0f626e9da0dc01de47f1b89058033cf (patch) | |
| tree | af4021f97c49c59784dbab62fb1dad36fe6d6f3c /ipc/sem.c | |
| parent | ipc,msg: shorten critical region in msgsnd (diff) | |
| download | linux-dev-41a0d523d0f626e9da0dc01de47f1b89058033cf.tar.xz linux-dev-41a0d523d0f626e9da0dc01de47f1b89058033cf.zip | |
ipc,msg: shorten critical region in msgrcv
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>
Diffstat (limited to 'ipc/sem.c')
0 files changed, 0 insertions, 0 deletions