| commit | 41a0d523d0f626e9da0dc01de47f1b89058033cf | [log] [tgz] |
|---|---|---|
| author | Davidlohr Bueso <davidlohr.bueso@hp.com> | Mon Jul 08 16:01:18 2013 -0700 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Tue Jul 09 10:33:27 2013 -0700 |
| tree | af4021f97c49c59784dbab62fb1dad36fe6d6f3c | |
| parent | 3dd1f784ed6603d7ab1043e51e6371235edf2313 [diff] |
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>