tree b587df3d3a2aecc47acd74712348c2895c292bb6
parent dbfcd91f06f0e2d5564b2fd184e9c2a43675f9ab
author Davidlohr Bueso <davidlohr.bueso@hp.com> 1373324470 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1373391207 -0700

ipc: introduce ipc object locking helpers

Simple helpers around the (kern_ipc_perm *)->lock spinlock.

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>