Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp1043346pxj; Fri, 21 May 2021 05:17:00 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwnpWT2OOImIvX2RQ8FsdlZLEGOBrk7iShLB9UzcxGYEFpYo20x2MFD9/mVlF5MapSrrWUD X-Received: by 2002:a17:906:e294:: with SMTP id gg20mr10021540ejb.227.1621599420023; Fri, 21 May 2021 05:17:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1621599420; cv=none; d=google.com; s=arc-20160816; b=Bvw7YEdG7OC2HlwvDRO/FIKqWVpiBo/YYKxb/gk5zCLOIziwucjqjNf5MJXGZToZYX i2QSxmgvXjhh8wqwiEC8nCZQXSwXi8QSu6dBnpg1rtQz4qpf2kfIDP7MHg8or1Tv4pSY NYSY/d7J8PlmHexj2OGSghnT3/BBT/1s3md/AOH0NmQItZVbPVgbV27Cys4OXBC8G3fk ObEPxcZq+kIPLKHQ5afucu1oH3PebBzXopX0r8GEFvvcMRsyarGKbTTNhkCAEylJIE7w 3NfjLH5vszOs/m/c4Gu4esKntVesdL1qItZGsupdKk/Zl7WnwPLJOy3+MzI7lhYxnl3T n5iw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=1kSWA3AcEwetW7jCI7CFubb1YL6FnAGvmloJeBKax78=; b=K1im89ByYmZSMdAJXDr0cyYc3/rtEQdDpg8vQB6zPuqkOVqhqNxj89HOyP6F03yyQG i+mrK8PHATjUf24zqSzRazUWYbSADk4kpq46ooLiEyU4v8eV3kT3nymGD/zEjUfQLgQF FH1+4kx4PaArOgUqxjOOw24fpSNVhHhdN571qPKNTaiKGYp2QzZwgIyB/ny/kcW5J7Ea wabqbmSOJSm8ldVfXLQGojzaKuAQkOGcfCL4Y5NFlqAWSev8AyQ4Qwvofhm/TbXBKdM6 8NlkcxEad5OxVrQe7/xboNyQ3+MK6lKZcPCuHiPSijbX80dsL2stwNQdItx+bhn8UeLz VwtA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id hq20si4969769ejc.236.2021.05.21.05.16.35; Fri, 21 May 2021 05:17:00 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232812AbhEULBn (ORCPT + 99 others); Fri, 21 May 2021 07:01:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:44922 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231299AbhEULBh (ORCPT ); Fri, 21 May 2021 07:01:37 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A0DDB61164; Fri, 21 May 2021 11:00:11 +0000 (UTC) Date: Fri, 21 May 2021 12:00:09 +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 05/21] arm64: Advertise CPUs capable of running 32-bit applications in sysfs Message-ID: <20210521110008.GG6675@arm.com> References: <20210518094725.7701-1-will@kernel.org> <20210518094725.7701-6-will@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210518094725.7701-6-will@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 18, 2021 at 10:47:09AM +0100, Will Deacon wrote: > Since 32-bit applications will be killed if they are caught trying to > execute on a 64-bit-only CPU in a mismatched system, advertise the set > of 32-bit capable CPUs to userspace in sysfs. > > Reviewed-by: Greg Kroah-Hartman > Signed-off-by: Will Deacon Reviewed-by: Catalin Marinas