From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751516AbcGPHQx (ORCPT ); Sat, 16 Jul 2016 03:16:53 -0400 Received: from mail.kernel.org ([198.145.29.136]:60696 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751351AbcGPHQu (ORCPT ); Sat, 16 Jul 2016 03:16:50 -0400 Message-Id: <20160716071646.816595731@goodmis.org> User-Agent: quilt/0.61-1 Date: Sat, 16 Jul 2016 03:16:18 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Wei Yongjun Subject: [for-next][PATCH 1/7] tracing: Using for_each_set_bit() to simplify trace_pid_write() References: <20160716071617.711980454@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=0001-tracing-Using-for_each_set_bit-to-simplify-trace_pid.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Wei Yongjun Using for_each_set_bit() to simplify the code. Link: http://lkml.kernel.org/r/1467645004-11169-1-git-send-email-weiyj_lk@163.com Signed-off-by: Wei Yongjun Signed-off-by: Steven Rostedt --- kernel/trace/trace.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 5fd53a7847bc..dade4c9559cc 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -517,13 +517,9 @@ int trace_pid_write(struct trace_pid_list *filtered_pids, if (filtered_pids) { /* copy the current bits to the new max */ - pid = find_first_bit(filtered_pids->pids, - filtered_pids->pid_max); - while (pid < filtered_pids->pid_max) { + for_each_set_bit(pid, filtered_pids->pids, + filtered_pids->pid_max) { set_bit(pid, pid_list->pids); - pid = find_next_bit(filtered_pids->pids, - filtered_pids->pid_max, - pid + 1); nr_pids++; } } -- 2.8.1