Davidlohr Bueso ac0ba20ea6 ipc,msg: make msgctl_nolock lockless ... While the INFO cmd doesn't take the ipc lock, the STAT commands do acquire it unnecessarily. We can do the permissions and security checks only holding the rcu lock. This function now mimics semctl_nolock(). 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>		2013-07-09 10:33:27 -07:00
..
compat_mq.c	ipc: initialize structure memory to zero for compat functions	2010-10-27 18:03:13 -07:00
compat.c	get rid of union semop in sys_semctl(2) arguments	2013-03-05 15:14:16 -05:00
ipc_sysctl.c	ipc: add sysctl to specify desired next object id	2013-01-04 16:11:45 -08:00
ipcns_notifier.c	ipc: do not use a negative value to re-enable msgmni automatic recomputing	2008-07-25 10:53:42 -07:00
Makefile	Add generic sys_ipc wrapper	2010-03-12 15:52:32 -08:00
mq_sysctl.c	mqueue: separate mqueue default value from maximum value	2012-05-31 17:49:31 -07:00
mqueue.c	audit: fix mq_open and mq_unlink to add the MQ root as a hidden parent audit_names record	2013-07-09 10:33:19 -07:00
msg.c	ipc,msg: make msgctl_nolock lockless	2013-07-09 10:33:27 -07:00
msgutil.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2013-05-01 17:51:54 -07:00
namespace.c	proc: Split the namespace stuff out into linux/proc_ns.h	2013-05-01 17:29:39 -04:00
sem.c	ipc: move locking out of ipcctl_pre_down_nolock	2013-07-09 10:33:27 -07:00
shm.c	ipc: move locking out of ipcctl_pre_down_nolock	2013-07-09 10:33:27 -07:00
syscall.c	get rid of union semop in sys_semctl(2) arguments	2013-03-05 15:14:16 -05:00
util.c	ipc: move locking out of ipcctl_pre_down_nolock	2013-07-09 10:33:27 -07:00
util.h	ipc: close open coded spin lock calls	2013-07-09 10:33:27 -07:00