Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp1813593pxb; Sat, 23 Jan 2021 06:29:07 -0800 (PST) X-Google-Smtp-Source: ABdhPJynIqZ4p5cejMDrvCQvdDWoq6TlN4r7e/2WD9jaGoCSF/jCFb5SNHvjcwNCGgkCbWBHK9kv X-Received: by 2002:aa7:cf90:: with SMTP id z16mr7098703edx.218.1611412147323; Sat, 23 Jan 2021 06:29:07 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611412147; cv=none; d=google.com; s=arc-20160816; b=PCXuP8IvBBjOTd5zAqlxxkom9dR6AAi+dttin1c+rCMdo1iEJQxLJxh7lOHBWWOuBt Ubr4ElRm51WVm4yYLTJq8EWW6OIgRGWgR5uzxOJ+meBLWUDK82h7r/2nHGXSU5s/CQX7 XMpEfhtULRuh69KH4cWyG0utngy9HqRKtgXN4xGFp7GvL8fK9GNxnsR0HdTwfgY3zc86 P5Qt8YM+BtHKa/ky1ePckyIjPqyB+Dq8QQTWhOm7jG/5MXi9bA8Hw/9ZlbL6VJHA3f8i lGoWqWGUZYG/8hApI+uRgcTjRHKR3Upq8Juu8AT2C/wfrMjuBiI93/XAnhk0afDgtODa +sQA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=5wzZVwDWH843TZa+8VbYXTocndD2xcY83Lr7UO7TYPk=; b=JUKqJgSoXrYpmSGjAysqU21xdKVB+TsjPQnOzYU01xYeyeB+LGGm0ehOktsQ82zmPk 0wc6WEgQFubSYldH4fyyUGiLjX6Pwr+cpZefUw7g0esEil04TWePZfoNaqNJlqS1INeF DdSNAUQVnLDLgJfkmtL1uKSYMz58YmwsEKvLiaFMfacw6Qgh7Shv+ejcHk/RuYWOYnsP vs1XpHB170T0isOJKjrtvPe1uyFyy0VkDYL0rcSQLyyU9Zh+0/DVmZUOEwFGm9r1bvXf ZUMJrUBMiOTGC/wIOlYHAXVqn3NOexNUCdBplbQ7N3JBP/JeYAgjf/LXPs7YiiKvxzSa yESA== 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 p6si5042123edm.151.2021.01.23.06.28.44; Sat, 23 Jan 2021 06:29:07 -0800 (PST) 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 S1725899AbhAWO1j (ORCPT + 99 others); Sat, 23 Jan 2021 09:27:39 -0500 Received: from mail.kernel.org ([198.145.29.99]:35350 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725268AbhAWO10 (ORCPT ); Sat, 23 Jan 2021 09:27:26 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 614B022DFA; Sat, 23 Jan 2021 14:26:41 +0000 (UTC) Date: Sat, 23 Jan 2021 14:26:39 +0000 From: Catalin Marinas To: Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, Will Deacon , Mark Rutland , David Brazdil , Alexandru Elisei , Ard Biesheuvel , Jing Zhang , Ajay Patil , Prasad Sodagudi , Srinivas Ramana , James Morse , Julien Thierry , Suzuki K Poulose , kernel-team@android.com Subject: Re: [PATCH v4 20/21] arm64: Defer enabling pointer authentication on boot core Message-ID: References: <20210118094533.2874082-1-maz@kernel.org> <20210118094533.2874082-21-maz@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210118094533.2874082-21-maz@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 18, 2021 at 09:45:32AM +0000, Marc Zyngier wrote: > From: Srinivas Ramana > > Defer enabling pointer authentication on boot core until > after its required to be enabled by cpufeature framework. > This will help in controlling the feature dynamically > with a boot parameter. > > Signed-off-by: Ajay Patil > Signed-off-by: Prasad Sodagudi > Signed-off-by: Srinivas Ramana > Signed-off-by: Marc Zyngier > Link: https://lore.kernel.org/r/1610152163-16554-2-git-send-email-sramana@codeaurora.org Reviewed-by: Catalin Marinas