From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 37C92C433EF for ; Sun, 12 Dec 2021 01:27:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232516AbhLLB1F (ORCPT ); Sat, 11 Dec 2021 20:27:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232475AbhLLB0w (ORCPT ); Sat, 11 Dec 2021 20:26:52 -0500 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D387FC0617A1 for ; Sat, 11 Dec 2021 17:26:50 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 17B20CE0AE6 for ; Sun, 12 Dec 2021 01:26:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CBF46C341D8; Sun, 12 Dec 2021 01:26:46 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.95) (envelope-from ) id 1mwDdW-000kFx-0k; Sat, 11 Dec 2021 20:26:46 -0500 Message-ID: <20211212012645.854116905@goodmis.org> User-Agent: quilt/0.66 Date: Sat, 11 Dec 2021 20:26:24 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton Subject: [for-next][PATCH 07/11] tracing: Use trace_iterator_reset() in tracing_read_pipe() References: <20211212012617.690710310@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Steven Rostedt (VMware)" Currently tracing_read_pipe() open codes trace_iterator_reset(). Just have it use trace_iterator_reset() instead. Link: https://lkml.kernel.org/r/20211210202616.64d432d2@gandalf.local.home Signed-off-by: Steven Rostedt (VMware) --- kernel/trace/trace.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 588de6df473f..547d82628c2e 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -6731,10 +6731,9 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, cnt = PAGE_SIZE - 1; /* reset all but tr, trace, and overruns */ - memset_startat(iter, 0, seq); + trace_iterator_reset(iter); cpumask_clear(iter->started); trace_seq_init(&iter->seq); - iter->pos = -1; trace_event_read_lock(); trace_access_lock(iter->cpu_file); -- 2.33.0