From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754424Ab3HBKWp (ORCPT ); Fri, 2 Aug 2013 06:22:45 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:37814 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754386Ab3HBKWm (ORCPT ); Fri, 2 Aug 2013 06:22:42 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "zhangwei(Jovi)" Subject: [ 05/23] tracing: Fix irqs-off tag display in syscall tracing Date: Fri, 2 Aug 2013 18:23:18 +0800 Message-Id: <20130802102036.957370130@linuxfoundation.org> X-Mailer: git-send-email 1.8.3.4.841.g1a3f60e In-Reply-To: <20130802102036.180660415@linuxfoundation.org> References: <20130802102036.180660415@linuxfoundation.org> User-Agent: quilt/0.60-5.1.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: "zhangwei(Jovi)" commit 11034ae9c20f4057a6127fc965906417978e69b2 upstream Initialization of variable irq_flags and pc was missed when backport 11034ae9c to linux-3.0.y and linux-3.4.y, my fault. Signed-off-by: zhangwei(Jovi) Signed-off-by: Greg Kroah-Hartman --- kernel/trace/trace_syscalls.c | 3 +++ 1 file changed, 3 insertions(+) --- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c @@ -357,6 +357,9 @@ void ftrace_syscall_exit(void *ignore, s if (!sys_data) return; + local_save_flags(irq_flags); + pc = preempt_count(); + event = trace_current_buffer_lock_reserve(&buffer, sys_data->exit_event->event.type, sizeof(*entry), irq_flags, pc);