From: Namhyung Kim <namhyung@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>, Ingo Molnar <mingo@elte.hu>
Cc: Roland McGrath <roland@redhat.com>,
Oleg Nesterov <oleg@redhat.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH RESEND 1/2] signals: annotate lock context change on ptrace_stop()
Date: Sun, 26 Sep 2010 12:53:50 +0900 [thread overview]
Message-ID: <1285473231-6229-1-git-send-email-namhyung@gmail.com> (raw)
ptrace_stop() releases and regrabs current->sighand->siglock but
was missing proper annotation. Add it.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Roland McGrath <roland@redhat.com>
---
kernel/signal.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/kernel/signal.c b/kernel/signal.c
index e4e8cfe..dce5c78 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1618,6 +1618,8 @@ static int sigkill_pending(struct task_struct *tsk)
* is gone, we keep current->exit_code unless clear_code.
*/
static void ptrace_stop(int exit_code, int clear_code, siginfo_t *info)
+ __releases(¤t->sighand->siglock)
+ __acquires(¤t->sighand->siglock)
{
if (arch_ptrace_stop_needed(exit_code, info)) {
/*
--
1.7.2.2
next reply other threads:[~2010-09-26 3:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-26 3:53 Namhyung Kim [this message]
2010-09-26 3:53 ` [PATCH RESEND 2/2] ptrace: annotate lock context change on exit_ptrace() Namhyung Kim
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