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=-6.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,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 0B416C4363D for ; Tue, 6 Oct 2020 11:20:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B004B2078E for ; Tue, 6 Oct 2020 11:20:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726096AbgJFLUL (ORCPT ); Tue, 6 Oct 2020 07:20:11 -0400 Received: from foss.arm.com ([217.140.110.172]:45068 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725891AbgJFLUL (ORCPT ); Tue, 6 Oct 2020 07:20:11 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C2D7B143D; Tue, 6 Oct 2020 04:20:10 -0700 (PDT) Received: from e113632-lin (e113632-lin.cambridge.arm.com [10.1.194.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id C2D3F3F66B; Tue, 6 Oct 2020 04:20:08 -0700 (PDT) References: <20201005145717.346020688@infradead.org> <20201005150921.759789837@infradead.org> User-agent: mu4e 0.9.17; emacs 26.3 From: Valentin Schneider To: Peter Zijlstra Cc: tglx@linutronix.de, mingo@kernel.org, linux-kernel@vger.kernel.org, bigeasy@linutronix.de, qais.yousef@arm.com, swood@redhat.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 Subject: Re: [PATCH -v2 08/17] sched: Massage set_cpus_allowed() In-reply-to: <20201005150921.759789837@infradead.org> Date: Tue, 06 Oct 2020 12:20:03 +0100 Message-ID: MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/10/20 15:57, Peter Zijlstra wrote: > Thread a u32 flags word through the *set_cpus_allowed*() callchain. > This will allow adding behavioural tweaks for future users. > > Signed-off-by: Peter Zijlstra (Intel) > --- [...] > @@ -1899,7 +1900,9 @@ extern void update_group_capacity(struct > > extern void trigger_load_balance(struct rq *rq); > > -extern void set_cpus_allowed_common(struct task_struct *p, const struct cpumask *new_mask); > +#define SCA_CHECK 0x01 > + That most likely needs to live outside of the #define CONFIG_SMP, so this should be hoisted up - you already do that in the next patch, this should be done here. > +extern void set_cpus_allowed_common(struct task_struct *p, const struct cpumask *new_mask, u32 flags); > > #endif >