+ signals-annotate-lock-context-change-on-ptrace_stop.patch added to -mm tree

[akpm@xxxxxxxxxxxxxxxxxxxx]

The patch titled
     signals: annotate lock context change on ptrace_stop()
has been added to the -mm tree.  Its filename is
     signals-annotate-lock-context-change-on-ptrace_stop.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: signals: annotate lock context change on ptrace_stop()
From: Namhyung Kim <namhyung@xxxxxxxxx>

ptrace_stop() releases and regrabs current->sighand->siglock but was
missing proper annotation.  Add it.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
Acked-by: Roland McGrath <roland@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 kernel/signal.c |    2 ++
 1 file changed, 2 insertions(+)

diff -puN kernel/signal.c~signals-annotate-lock-context-change-on-ptrace_stop kernel/signal.c
--- a/kernel/signal.c~signals-annotate-lock-context-change-on-ptrace_stop
+++ a/kernel/signal.c
@@ -1618,6 +1618,8 @@ static int sigkill_pending(struct task_s
  * is gone, we keep current->exit_code unless clear_code.
  */
 static void ptrace_stop(int exit_code, int clear_code, siginfo_t *info)
+	__releases(&current->sighand->siglock)
+	__acquires(&current->sighand->siglock)
 {
 	if (arch_ptrace_stop_needed(exit_code, info)) {
 		/*
_

Patches currently in -mm which might be from namhyung@xxxxxxxxx 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
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
ptrace-annotate-lock-context-change-on-exit_ptrace.patch

--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html