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=-10.6 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,USER_AGENT_SANE_1 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 361BCC47084 for ; Mon, 24 May 2021 16:28:02 +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 EFBDA613FC for ; Mon, 24 May 2021 16:28:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EFBDA613FC 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:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xrapZ13G5/mRVB6U/RpZlZj663wMmOSVmcsWdaQblhU=; b=KZwjZVqomZWnIS FyVIuPFMvvq6D6JZdHe7abQlXkolxGx4Qv6CV8tHsKJhmBptJ+RhKCXVZ/fRAN2HrwHt6IxYDsrU/ IbAHVkybHyFbax4onNHSQs1ABbP+cb2FY2f8cToMvoHPiBROM2EZI1jYsdSxNUMt63amgAfx+2GJh fJn+PZ6Q+bi0HolbZRKDmIkc8ThoA7Ldr+s2D3BlSaeMvLUoEhzlBqpqsV/KT/8T8FJf0e/LPbA66 8zc/Hw0TXMUQfOCrt4WWanJZIrY0x68LTnNsNLW0c4Tq3q4zkCh3I8WG0sXDaoqIRtD557jwgA79c JY7ut+KMriO2d1V3+q3Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1llDPI-0016BS-7T; Mon, 24 May 2021 16:26:20 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1llC6J-0011A4-Hf for linux-arm-kernel@lists.infradead.org; Mon, 24 May 2021 15:02:40 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2ED2261241; Mon, 24 May 2021 15:02:36 +0000 (UTC) Date: Mon, 24 May 2021 16:02:33 +0100 From: Catalin Marinas To: Will Deacon Cc: linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Marc Zyngier , Greg Kroah-Hartman , Peter Zijlstra , Morten Rasmussen , Qais Yousef , Suren Baghdasaryan , Quentin Perret , Tejun Heo , Li Zefan , Johannes Weiner , Ingo Molnar , Juri Lelli , Vincent Guittot , "Rafael J. Wysocki" , kernel-team@android.com Subject: Re: [PATCH v6 17/21] arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 Message-ID: <20210524150233.GD14645@arm.com> References: <20210518094725.7701-1-will@kernel.org> <20210518094725.7701-18-will@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210518094725.7701-18-will@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210524_080239_630824_092DF914 X-CRM114-Status: GOOD ( 10.70 ) 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 Tue, May 18, 2021 at 10:47:21AM +0100, Will Deacon wrote: > When exec'ing a 32-bit task on a system with mismatched support for > 32-bit EL0, try to ensure that it starts life on a CPU that can actually > run it. > > Similarly, when exec'ing a 64-bit task on such a system, try to restore > the old affinity mask if it was previously restricted. > > Reviewed-by: Quentin Perret > Signed-off-by: Will Deacon Reviewed-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel