kernel-ark/ipc
Pierre Peiffer 522bb2a2b4 IPC/semaphores: move the rwmutex handling inside semctl_down
semctl_down is called with the rwmutex (the one which protects the list of
ipcs) taken in write mode.

This patch moves this rwmutex taken in write-mode inside semctl_down.

This has the advantages of reducing a little bit the window during which this
rwmutex is taken, clarifying sys_semctl, and finally of having a coherent
behaviour with [shm|msg]ctl_down

Signed-off-by: Pierre Peiffer <pierre.peiffer@bull.net>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: Nadia Derbey <Nadia.Derbey@bull.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-29 08:06:13 -07:00
..
compat_mq.c
compat.c fix logic error in ipc compat semctl() 2007-07-06 10:23:43 -07:00
ipc_sysctl.c ipc: re-enable msgmni automatic recomputing msgmni if set to negative 2008-04-29 08:06:13 -07:00
ipcns_notifier.c ipc: re-enable msgmni automatic recomputing msgmni if set to negative 2008-04-29 08:06:13 -07:00
Makefile ipc: recompute msgmni on ipc namespace creation/removal 2008-04-29 08:06:12 -07:00
mqueue.c [PATCH] r/o bind mounts: elevate write count for open()s 2008-04-19 00:29:25 -04:00
msg.c IPC/message queues: introduce msgctl_down 2008-04-29 08:06:13 -07:00
msgutil.c [PATCH] getting rid of all casts of k[cmz]alloc() calls 2006-12-13 09:05:58 -08:00
namespace.c ipc: recompute msgmni on ipc namespace creation/removal 2008-04-29 08:06:12 -07:00
sem.c IPC/semaphores: move the rwmutex handling inside semctl_down 2008-04-29 08:06:13 -07:00
shm.c IPC/shared memory: introduce shmctl_down 2008-04-29 08:06:13 -07:00
util.c ipc: invoke the ipcns notifier chain as a work item 2008-04-29 08:06:12 -07:00
util.h ipc: recompute msgmni on memory add / remove 2008-04-29 08:06:12 -07:00