From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754674Ab3DKHCM (ORCPT ); Thu, 11 Apr 2013 03:02:12 -0400 Received: from LGEMRELSE6Q.lge.com ([156.147.1.121]:46840 "EHLO LGEMRELSE6Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753710Ab3DKHCK (ORCPT ); Thu, 11 Apr 2013 03:02:10 -0400 X-AuditID: 9c930179-b7b2aae000000518-78-51665fee21e2 From: Namhyung Kim To: Steven Rostedt Cc: Frederic Weisbecker , Ingo Molnar , LKML , Namhyung Kim Subject: [PATCH v2 2/2] tracing: Reset ftrace_graph_filter_enabled if count is zero Date: Thu, 11 Apr 2013 16:01:38 +0900 Message-Id: <1365663698-2413-1-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1365663302-2170-2-git-send-email-namhyung@kernel.org> References: <1365663302-2170-2-git-send-email-namhyung@kernel.org> X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Namhyung Kim The ftrace_graph_count can be decreased with a "!" pattern, so that the enabled flag should be updated too. Signed-off-by: Namhyung Kim --- kernel/trace/ftrace.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index be2bcb7ab2f7..daf8df20b764 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3779,7 +3779,8 @@ out: if (fail) return -EINVAL; - ftrace_graph_filter_enabled = 1; + ftrace_graph_filter_enabled = !!(*idx); + return 0; } -- 1.7.11.7