Davidlohr Bueso c97cb9ccab ipc,shm: make shmctl_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.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2013-09-11 15:59:39 -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.c: Fix lost wakeup in msgsnd().

2013-09-03 10:42:56 -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

userns: Kill nsown_capable it makes the wrong thing easy

2013-08-30 23:44:11 -07:00

sem.c

ipc/sem.c: rename try_atomic_semop() to perform_atomic_semop(), docu update

2013-07-09 10:33:28 -07:00

shm.c

ipc,shm: make shmctl_nolock lockless

2013-09-11 15:59:39 -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: drop ipcctl_pre_down

2013-09-11 15:59:39 -07:00

util.h

ipc: drop ipcctl_pre_down

2013-09-11 15:59:39 -07:00