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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED autolearn=no 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 C1316C433E7 for ; Thu, 15 Oct 2020 11:10:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5E1822075B for ; Thu, 15 Oct 2020 11:10:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="VN3URxNu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728084AbgJOLJ5 (ORCPT ); Thu, 15 Oct 2020 07:09:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54390 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726144AbgJOLJ4 (ORCPT ); Thu, 15 Oct 2020 07:09:56 -0400 Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85184C061755 for ; Thu, 15 Oct 2020 04:09:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Content-Type:MIME-Version:References: Subject:Cc:To:From:Date:Message-ID:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:In-Reply-To; bh=NZ9nghvIXs+efdG5GPWjSl7ZfyU5HUFp1/vX6ef/GjU=; b=VN3URxNuya/gEELcVa2FNKF90M V1Lt4OhVPxv5cPwF9I3UW7goJU7I99DFmiES98DHBc9yEDpdBaKEf1o3s9jCtv0d/lzEeiPf1wWkz gQ8/1dNdFSC0k4i+3Xt5GAtELRZV4EkH70m3hVOt6W9S9cv3wUJ2cdkoVuYryZqsxuwOb+8UX6Og1 +voQpsAtYTwzz41Xk7fP5T8bT5vMUe1KABuJX+MJx6ftWC1DhJ/mjK47i/6QaBXBCGiInks5dwcMj HnRUjWWPTE4jCTbi9PIKthJBOrED7pJnACvB3pyGs78xpheYkrnJO/B6OP88+AWCJW1puOs5Hh5XA 2zrQOmaA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kT18f-0007wI-FI; Thu, 15 Oct 2020 11:09:41 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 1D71F307967; Thu, 15 Oct 2020 13:09:37 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 0) id AD600235F4451; Thu, 15 Oct 2020 13:09:36 +0200 (CEST) Message-ID: <20201015110924.276096575@infradead.org> User-Agent: quilt/0.66 Date: Thu, 15 Oct 2020 13:05:48 +0200 From: Peter Zijlstra To: tglx@linutronix.de, mingo@kernel.org Cc: linux-kernel@vger.kernel.org, bigeasy@linutronix.de, qais.yousef@arm.com, swood@redhat.com, peterz@infradead.org, valentin.schneider@arm.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vincent.donnefort@arm.com, tj@kernel.org, ouwen210@hotmail.com Subject: [PATCH v3 16/19] sched/proc: Print accurate cpumask vs migrate_disable() References: <20201015110532.738127234@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ensure /proc/*/status doesn't print 'random' cpumasks due to migrate_disable(). Signed-off-by: Peter Zijlstra (Intel) --- fs/proc/array.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -382,9 +382,9 @@ static inline void task_context_switch_c static void task_cpus_allowed(struct seq_file *m, struct task_struct *task) { seq_printf(m, "Cpus_allowed:\t%*pb\n", - cpumask_pr_args(task->cpus_ptr)); + cpumask_pr_args(&task->cpus_mask)); seq_printf(m, "Cpus_allowed_list:\t%*pbl\n", - cpumask_pr_args(task->cpus_ptr)); + cpumask_pr_args(&task->cpus_mask)); } static inline void task_core_dumping(struct seq_file *m, struct mm_struct *mm)