From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: + exit-add-lock-context-annotation-on-find_new_reaper.patch added to -mm tree Date: Tue, 07 Sep 2010 15:16:08 -0700 Message-ID: <201009072216.o87MG8gP009651@imap1.linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:38037 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756049Ab0IGWQo (ORCPT ); Tue, 7 Sep 2010 18:16:44 -0400 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: mm-commits@vger.kernel.org Cc: namhyung@gmail.com, roland@redhat.com The patch titled exit: add lock context annotation on find_new_reaper() has been added to the -mm tree. Its filename is exit-add-lock-context-annotation-on-find_new_reaper.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: exit: add lock context annotation on find_new_reaper() From: Namhyung Kim find_new_reaper() releases and regrabs tasklist_lock but was missing proper annotations. Add it. This remove following sparse warning: warning: context imbalance in 'find_new_reaper' - unexpected unlock Signed-off-by: Namhyung Kim Acked-by: Roland McGrath Signed-off-by: Andrew Morton --- kernel/exit.c | 2 ++ 1 file changed, 2 insertions(+) diff -puN kernel/exit.c~exit-add-lock-context-annotation-on-find_new_reaper kernel/exit.c --- a/kernel/exit.c~exit-add-lock-context-annotation-on-find_new_reaper +++ a/kernel/exit.c @@ -705,6 +705,8 @@ static void exit_mm(struct task_struct * * space. */ static struct task_struct *find_new_reaper(struct task_struct *father) + __releases(&tasklist_lock) + __acquires(&tasklist_lock) { struct pid_namespace *pid_ns = task_active_pid_ns(father); struct task_struct *thread; _ Patches currently in -mm which might be from namhyung@gmail.com are linux-next.patch init-mark-__user-address-space-on-string-literals.patch exit-add-lock-context-annotation-on-find_new_reaper.patch