Subject: + ipc-shm-drop-shm_lock_check.patch added to -mm tree
To: davidlohr.bueso@xxxxxx,manfred@xxxxxxxxxxxxxxxx,riel@xxxxxxxxxx,sedat.dilek@xxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Wed, 24 Jul 2013 13:23:29 -0700
The patch titled
Subject: ipc, shm: drop shm_lock_check
has been added to the -mm tree. Its filename is
ipc-shm-drop-shm_lock_check.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/ipc-shm-drop-shm_lock_check.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/ipc-shm-drop-shm_lock_check.patch
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------------------------------------------------------
From: Davidlohr Bueso <davidlohr.bueso@xxxxxx>
Subject: ipc, shm: drop shm_lock_check
This function was replaced by a the lockless shm_obtain_object_check(),
and no longer has any users.
Signed-off-by: Davidlohr Bueso <davidlohr.bueso@xxxxxx>
Cc: Sedat Dilek <sedat.dilek@xxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Manfred Spraul <manfred@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
ipc/shm.c | 11 -----------
1 file changed, 11 deletions(-)
diff -puN ipc/shm.c~ipc-shm-drop-shm_lock_check ipc/shm.c
--- a/ipc/shm.c~ipc-shm-drop-shm_lock_check
+++ a/ipc/shm.c
@@ -167,17 +167,6 @@ static inline void shm_lock_by_ptr(struc
ipc_lock_object(&ipcp->shm_perm);
}
-static inline struct shmid_kernel *shm_lock_check(struct ipc_namespace *ns,
- int id)
-{
- struct kern_ipc_perm *ipcp = ipc_lock_check(&shm_ids(ns), id);
-
- if (IS_ERR(ipcp))
- return (struct shmid_kernel *)ipcp;
-
- return container_of(ipcp, struct shmid_kernel, shm_perm);
-}
-
static inline void shm_rmid(struct ipc_namespace *ns, struct shmid_kernel *s)
{
ipc_rmid(&shm_ids(ns), &s->shm_perm);
_
Patches currently in -mm which might be from davidlohr.bueso@xxxxxx are
ipcshm-introduce-lockless-functions-to-obtain-the-ipc-object.patch
ipcshm-shorten-critical-region-in-shmctl_down.patch
ipc-drop-ipcctl_pre_down.patch
ipc-drop-ipcctl_pre_down-fix.patch
ipcshm-introduce-shmctl_nolock.patch
ipcshm-make-shmctl_nolock-lockless.patch
ipcshm-make-shmctl_nolock-lockless-checkpatch-fixes.patch
ipcshm-shorten-critical-region-for-shmctl.patch
ipcshm-cleanup-do_shmat-pasta.patch
ipcshm-shorten-critical-region-for-shmat.patch
ipc-rename-ids-rw_mutex.patch
ipcmsg-drop-msg_unlock.patch
ipc-document-general-ipc-locking-scheme.patch
ipc-shm-guard-against-non-existant-vma-in-shmdt2.patch
ipc-drop-ipc_lock_by_ptr.patch
ipc-shm-drop-shm_lock_check.patch
ipc-drop-ipc_lock_check.patch
linux-next.patch
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