From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: + ptrace-annotate-lock-context-change-on-exit_ptrace.patch added to -mm tree Date: Mon, 27 Sep 2010 14:14:19 -0700 Message-ID: <201009272114.o8RLEJll017034@imap1.linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:45424 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755887Ab0I0VPG (ORCPT ); Mon, 27 Sep 2010 17:15:06 -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, mingo@elte.hu, oleg@redhat.com, roland@redhat.com The patch titled ptrace: annotate lock context change on exit_ptrace() has been added to the -mm tree. Its filename is ptrace-annotate-lock-context-change-on-exit_ptrace.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: ptrace: annotate lock context change on exit_ptrace() From: Namhyung Kim exit_ptrace() releases and regrabs tasklist_lock but was missing proper annotation. Add it. Signed-off-by: Namhyung Kim Acked-by: Roland McGrath Cc: Ingo Molnar Cc: Oleg Nesterov --- kernel/ptrace.c | 2 ++ 1 file changed, 2 insertions(+) diff -puN kernel/ptrace.c~ptrace-annotate-lock-context-change-on-exit_ptrace kernel/ptrace.c --- a/kernel/ptrace.c~ptrace-annotate-lock-context-change-on-exit_ptrace +++ a/kernel/ptrace.c @@ -329,6 +329,8 @@ int ptrace_detach(struct task_struct *ch * and reacquire the lock. */ void exit_ptrace(struct task_struct *tracer) + __releases(&tasklist_lock) + __acquires(&tasklist_lock) { struct task_struct *p, *n; LIST_HEAD(ptrace_dead); _ Patches currently in -mm which might be from namhyung@gmail.com are linux-next.patch init-mark-__user-address-space-on-string-literals.patch kernel-userc-add-lock-release-annotation-on-free_user.patch printk-fixup-declaration-of-kmsg_reasons.patch printk-add-lock-context-annotation.patch printk-change-type-of-boot_delay-to-int.patch printk-declare-printk_ratelimit_state-in-ratelimith.patch printk-declare-printk_ratelimit_state-in-ratelimith-fix.patch ptrace-annotate-lock-context-change-on-exit_ptrace.patch signals-annotate-lock_task_sighand.patch signals-annotate-lock-context-change-on-ptrace_stop.patch exit-add-lock-context-annotation-on-find_new_reaper.patch