From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965533AbcKWQDQ (ORCPT ); Wed, 23 Nov 2016 11:03:16 -0500 Received: from mail.kernel.org ([198.145.29.136]:37164 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965195AbcKWQDP (ORCPT ); Wed, 23 Nov 2016 11:03:15 -0500 Message-Id: <20161123153529.650476782@goodmis.org> User-Agent: quilt/0.63-1 Date: Wed, 23 Nov 2016 10:35:27 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Chunyan Zhang , Alexander Shishkin Subject: [for-next][PATCH 15/17] stm dummy: Mark dummy_stm_packet() with notrace References: <20161123153512.923515549@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=0015-stm-dummy-Mark-dummy_stm_packet-with-notrace.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chunyan Zhang If CONFIG_STM_SOURCE_FTRACE is selected, Function trace data can be writen to sink via STM, all functions that related to writing data packets to STM should be marked 'notrace' to avoid being traced by Ftrace, otherwise the program would stall into an endless loop. Link: http://lkml.kernel.org/r/1479715043-6534-6-git-send-email-zhang.chunyan@linaro.org Signed-off-by: Chunyan Zhang Acked-by: Alexander Shishkin Signed-off-by: Steven Rostedt --- drivers/hwtracing/stm/dummy_stm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwtracing/stm/dummy_stm.c b/drivers/hwtracing/stm/dummy_stm.c index a86612d989f9..c5f94ca31c4d 100644 --- a/drivers/hwtracing/stm/dummy_stm.c +++ b/drivers/hwtracing/stm/dummy_stm.c @@ -21,7 +21,7 @@ #include #include -static ssize_t +static ssize_t notrace dummy_stm_packet(struct stm_data *stm_data, unsigned int master, unsigned int channel, unsigned int packet, unsigned int flags, unsigned int size, const unsigned char *payload) -- 2.10.2