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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 CD10EC4743C for ; Fri, 4 Jun 2021 17:12:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B058C61359 for ; Fri, 4 Jun 2021 17:12:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230527AbhFDRN5 (ORCPT ); Fri, 4 Jun 2021 13:13:57 -0400 Received: from foss.arm.com ([217.140.110.172]:43866 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230386AbhFDRN4 (ORCPT ); Fri, 4 Jun 2021 13:13:56 -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 924721063; Fri, 4 Jun 2021 10:12:09 -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 E1CA63F73D; Fri, 4 Jun 2021 10:12:06 -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 , kernel-team@android.com Subject: Re: [PATCH v8 09/19] sched: Introduce task_struct::user_cpus_ptr to track requested affinity In-Reply-To: <20210602164719.31777-10-will@kernel.org> References: <20210602164719.31777-1-will@kernel.org> <20210602164719.31777-10-will@kernel.org> Date: Fri, 04 Jun 2021 18:12:04 +0100 Message-ID: <8735txeeqj.mognet@arm.com> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/06/21 17:47, Will Deacon wrote: > In preparation for saving and restoring the user-requested CPU affinity > mask of a task, add a new cpumask_t pointer to 'struct task_struct'. > > If the pointer is non-NULL, then the mask is copied across fork() and > freed on task exit. > > Signed-off-by: Will Deacon Reviewed-by: Valentin Schneider 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=-9.1 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 374B1C4743C for ; Fri, 4 Jun 2021 17:14:15 +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 0745E61359 for ; Fri, 4 Jun 2021 17:14:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0745E61359 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=g1fb1ycIYwlyzX1QOIMD3pKviZRhCnZtJA1WZhDUaGQ=; b=Y7xXHA0uxInOG3 qeylDTIbHumfnDt3NGcqjZNm+EzEtOrQYppjpw+jmaVbtpW3QKK5Sc/CN8/T2KRGBHauf4rROe4vL BgSL3rtH3gr4/E9xJMo0DLx3olWwDaWNOuSoYmbYxuEl//6J7J6FsbD3o7YWdrMMX1+Osd9I2tzfA /EAfOCEGfeP/m6kc+NhV+SHHSXcCVMOgJDCaY81c8t9G0eLp8K4JOtb7Hromz9FWcYi2suNr3GBCr lC79pVxksAqkYBKXYBuqaAarSn6FtcAbQz7Njb6Ns6KFuvxr1gL1jyxDFn7bnrRA9AOc6oUrRH4XR mtzSRvYtlF61ql8IBo/A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lpDN0-00EYoS-M4; Fri, 04 Jun 2021 17:12:30 +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 1lpDMg-00EYf9-UZ for linux-arm-kernel@lists.infradead.org; Fri, 04 Jun 2021 17:12:12 +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 924721063; Fri, 4 Jun 2021 10:12:09 -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 E1CA63F73D; Fri, 4 Jun 2021 10:12:06 -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 , kernel-team@android.com Subject: Re: [PATCH v8 09/19] sched: Introduce task_struct::user_cpus_ptr to track requested affinity In-Reply-To: <20210602164719.31777-10-will@kernel.org> References: <20210602164719.31777-1-will@kernel.org> <20210602164719.31777-10-will@kernel.org> Date: Fri, 04 Jun 2021 18:12:04 +0100 Message-ID: <8735txeeqj.mognet@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210604_101211_094408_244C6E72 X-CRM114-Status: UNSURE ( 6.73 ) 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 02/06/21 17:47, Will Deacon wrote: > In preparation for saving and restoring the user-requested CPU affinity > mask of a task, add a new cpumask_t pointer to 'struct task_struct'. > > If the pointer is non-NULL, then the mask is copied across fork() and > freed on task exit. > > Signed-off-by: Will Deacon Reviewed-by: Valentin Schneider _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel