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=-8.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 E2006C47094 for ; Thu, 10 Jun 2021 13:01:53 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A4E9661362 for ; Thu, 10 Jun 2021 13:01:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A4E9661362 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=kHiNNdPM2X1cu/aUiipr4eheY3ZRN9AK/52H28dlsC4=; b=UjoVdteGBq/P0B hqo9tXs/OcMnIDheK840GnLmTxVAzSul3MN9L3K1DR55ozIX3TR73zgGcLCTe2z7E70NKaCRDF9TG HpWCRHXoPF38Co/5Pm9frFQ7LIs8kad0GPrHppfIzXP6f8u/9Bq5hIzv/13hOBBuhjFvtM6NlCzet nDaUvmSes8Q8DN8xmbfGYUXT25+FqWdDRnsQzf0ZF8UUswhSRuQRZoY/hgqPz791addgIeQ13c4hL Dyt2wAYTqzI9P4MfsT6jltUfXcp3nvghDuAgiMjrTRlFkmMCNEXeYOgpDIvnk8QeZ5TnAzkOORT7B p4JsonsBo/w1Q+sHm6wQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lrKI4-000nNi-9M; Thu, 10 Jun 2021 13:00:08 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lrKHy-000nMb-9n for linux-arm-kernel@lists.infradead.org; Thu, 10 Jun 2021 13:00:03 +0000 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 9EBF6106F; Thu, 10 Jun 2021 06:00:01 -0700 (PDT) Received: from e113632-lin (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D7F2A3F73D; Thu, 10 Jun 2021 05:59:58 -0700 (PDT) From: Valentin Schneider To: Will Deacon , linux-arm-kernel@lists.infradead.org Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Will Deacon , Catalin Marinas , Marc Zyngier , Greg Kroah-Hartman , Peter Zijlstra , Morten Rasmussen , Qais Yousef , Suren Baghdasaryan , Quentin Perret , Tejun Heo , Johannes Weiner , Ingo Molnar , Juri Lelli , Vincent Guittot , "Rafael J. Wysocki" , Dietmar Eggemann , Daniel Bristot de Oliveira , Mark Rutland , kernel-team@android.com Subject: Re: [PATCH v9 08/20] cpuset: Cleanup cpuset_cpus_allowed_fallback() use in select_fallback_rq() In-Reply-To: <20210608180313.11502-9-will@kernel.org> References: <20210608180313.11502-1-will@kernel.org> <20210608180313.11502-9-will@kernel.org> Date: Thu, 10 Jun 2021 13:59:56 +0100 Message-ID: <877dj1dgdv.mognet@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210610_060002_419303_F4A817F4 X-CRM114-Status: UNSURE ( 8.10 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 08/06/21 19:03, Will Deacon wrote: > select_fallback_rq() only needs to recheck for an allowed CPU if the > affinity mask of the task has changed since the last check. > > Return a 'bool' from cpuset_cpus_allowed_fallback() to indicate whether > the affinity mask was updated, and use this to elide the allowed check > when the mask has been left alone. > > No functional change. > > Suggested-by: Valentin Schneider > Signed-off-by: Will Deacon Thanks! Reviewed-by: Valentin Schneider _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel