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 X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11002C433E0 for ; Thu, 30 Jul 2020 08:28:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E177B2084D for ; Thu, 30 Jul 2020 08:28:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gyNuIyzS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729271AbgG3I2q (ORCPT ); Thu, 30 Jul 2020 04:28:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55994 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726819AbgG3I2q (ORCPT ); Thu, 30 Jul 2020 04:28:46 -0400 Received: from mail-pl1-x641.google.com (mail-pl1-x641.google.com [IPv6:2607:f8b0:4864:20::641]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EAF84C061794 for ; Thu, 30 Jul 2020 01:28:45 -0700 (PDT) Received: by mail-pl1-x641.google.com with SMTP id w19so400454plq.3 for ; Thu, 30 Jul 2020 01:28:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Kqu2uX/Fv5DOCCvKFWtef/4APYguI7Tp/Hp1ZpDXv30=; b=gyNuIyzS81L9oBmnvMesqBJln6m3FMCjjAObRVxoBLjUt85xE8FOljda5xqTixZXQS m/1mpF1ieN2uPujM3iK3HvS7HNRXcnkJLvAVtVLBtzfKztiLXtnanZ058Vr3p0noqzu/ xsXjY3nHLCKIc532lJN4S8YycCAeOxb9V2qjxkcp58yOaMJNheyzob8pKdEkOukxK3rw +/PJsvZIX1EWP+j+GBXo3m0weTvSWc5tdk7+kbMl2hSC42JZulTnSJeIuk2duub0myYv xsFJ6USFtIeT/TYAeaasNHMDIzsvGNCUuSH9zPjVZOfbyZh87EVmq0ZVd6xJCue4hpdt wwjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Kqu2uX/Fv5DOCCvKFWtef/4APYguI7Tp/Hp1ZpDXv30=; b=gVAuNqCDcvhUIuM9UEYz8Kd31wVOAZVUheP3nau42nw6lgiC/S2PEdG1U316zanndk c/a4iZ41UHfyYDyzoNrsQU+qUfgEN4jT/w9hdDxzaBDoyb5bRoYIgrr7OpmYZQvTYQ9n v5P2PWVD+KiiTMr6L5xCy1O5CF3c1yZPqeWWrXlPo/LL0FgTCrF+U+P1bNPBYkQkT8j/ /+yXY+jEjE0+tpbBAKPOaM8F7GerF6VeYSxweHmfDn/Jf1yWoiFBoFOB9uQCnpLOMbOI aHrU6VtdKD3POT4LaHNsjUmfq71CiiAAWYQEQguIDLVRqEsT4pBTaY9ScP1D/WGFw3ap /2gw== X-Gm-Message-State: AOAM530OBtmVHJ4VH04O9ZUZKX0rn0bpjL8If8MORHFoRYIpu/eJQL2j 0LXXpcA5fGNT9sYLHrE/bYO4bhB2 X-Google-Smtp-Source: ABdhPJwvNYif3xqkvFhQHVM9WRQfjFL8lIjQUD0omf7L8CqveKrGWCSnFIh1RdxbAi3dfY5QOixgHg== X-Received: by 2002:a17:90b:196:: with SMTP id t22mr2170907pjs.13.1596097725562; Thu, 30 Jul 2020 01:28:45 -0700 (PDT) Received: from pek-lpggp6.wrs.com (unknown-105-123.windriver.com. [147.11.105.123]) by smtp.gmail.com with ESMTPSA id d29sm5150685pgb.54.2020.07.30.01.28.41 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 30 Jul 2020 01:28:45 -0700 (PDT) From: Kevin Hao To: Steven Rostedt , Ingo Molnar Cc: linux-kernel@vger.kernel.org Subject: [PATCH 1/2] tracing/hwlat: Drop the duplicate assignment in start_kthread() Date: Thu, 30 Jul 2020 16:23:17 +0800 Message-Id: <20200730082318.42584-1-haokexin@gmail.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We have set 'current_mask' to '&save_cpumask' in its declaration, so there is no need to assign again. Signed-off-by: Kevin Hao --- kernel/trace/trace_hwlat.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/trace/trace_hwlat.c b/kernel/trace/trace_hwlat.c index e2be7bb7ef7e..ddb528a6cd51 100644 --- a/kernel/trace/trace_hwlat.c +++ b/kernel/trace/trace_hwlat.c @@ -371,7 +371,6 @@ static int start_kthread(struct trace_array *tr) return 0; /* Just pick the first CPU on first iteration */ - current_mask = &save_cpumask; get_online_cpus(); cpumask_and(current_mask, cpu_online_mask, tracing_buffer_mask); put_online_cpus(); -- 2.26.2