Messages in this thread Patch in this message | | | Subject | Patch "kernel/user.c: add lock release annotation on free_user()" has been added to the 2.6.32-longterm tree | From | <> | Date | Tue, 15 Feb 2011 14:51:10 -0800 |
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This is a note to let you know that I've just added the patch titled
kernel/user.c: add lock release annotation on free_user()
to the 2.6.32-longterm tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/longterm/longterm-queue-2.6.32.git;a=summary
The filename of the patch is: kernel-user.c-add-lock-release-annotation-on-free_user.patch and it can be found in the queue-2.6.32 subdirectory.
If you, or anyone else, feels it should not be added to the 2.6.32 longterm tree, please let <stable@kernel.org> know about it.
From efault@gmx.de Tue Feb 15 14:39:42 2011 From: Namhyung Kim <namhyung@gmail.com> From: Mike Galbraith <efault@gmx.de> Date: Fri, 11 Feb 2011 07:07:01 +0100 Subject: kernel/user.c: add lock release annotation on free_user() To: Dhaval Giani <dhaval.giani@gmail.com> Cc: LKML <linux-kernel@vger.kernel.org>, Peter Zijlstra <a.p.zijlstra@chello.nl>, Ingo Molnar <mingo@elte.hu>, Greg Kroah-Hartman <gregkh@suse.de> Message-ID: <1297404421.7865.24.camel@marge.simson.net>
From: Namhyung Kim <namhyung@gmail.com>
commit 571428be550fbe37160596995e96ad398873fcbd upstream.
free_user() releases uidhash_lock but was missing annotation. Add it. This removes following sparse warnings:
include/linux/spinlock.h:339:9: warning: context imbalance in 'free_user' - unexpected unlock kernel/user.c:120:6: warning: context imbalance in 'free_uid' - wrong count at exit
Signed-off-by: Namhyung Kim <namhyung@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Dhaval Giani <dhaval.giani@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Mike Galbraith <efault@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- kernel/user.c | 1 + 1 file changed, 1 insertion(+)
--- a/kernel/user.c +++ b/kernel/user.c @@ -91,6 +91,7 @@ static struct user_struct *uid_hash_find * upon function exit. */ static void free_user(struct user_struct *up, unsigned long flags) + __releases(&uidhash_lock) { uid_hash_remove(up); spin_unlock_irqrestore(&uidhash_lock, flags);
Patches currently in longterm-queue-2.6.32 which might be from namhyung@gmail.com are
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