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=-5.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 37C28C32771 for ; Thu, 9 Jan 2020 08:34:04 +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 A35542067D for ; Thu, 9 Jan 2020 08:34:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="FoVyGLyR" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A35542067D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=RSTbl/kleYS1ugzIwgSwdYCbwGv3Xx10D6uWLDdty14=; b=FoVyGLyRPVkcm0xCDpxm6S7HF A5uuNkG4lktzUo7dXqhuCa/NnGDY1NgKN254JK/ZFfUBCOjuWGNi2jJrYE/t9tJv4zGrTeowwMOtn OW21GBXt5Sd12bjxI1/Q8KeUswJ7LWl8/xKPTNVw1tDR31aICmOGLVn8jJmlCwdCc7QfsT7OI4aSB Co+ImJc3jYWwpggYgyc0w9hVwDACUonw1IVcDmOLI2rTkFQpD8S1VbDokioGd0FG9tXi2SwdaL73p ngF7vGn+xzoxDwamfjHV3nKQMzVplH+3CDbx8rNPbeMvx3QqmYPKY0jErksVTgYrB7E3Rud3eOqM6 +i0kc61Vg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ipTGT-0004bT-90; Thu, 09 Jan 2020 08:34:01 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ipTGP-0004az-KX for linux-arm-kernel@lists.infradead.org; Thu, 09 Jan 2020 08:33:59 +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 06C121FB; Thu, 9 Jan 2020 00:33:57 -0800 (PST) Received: from [10.163.1.42] (unknown [10.163.1.42]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EB7ED3F6C4; Thu, 9 Jan 2020 00:36:56 -0800 (PST) Subject: Re: [PATCH v3 05/16] arm64: ptrauth: Add bootup/runtime flags for __cpu_setup To: Suzuki Kuruppassery Poulose , linux-arm-kernel@lists.infradead.org References: <1576486038-9899-1-git-send-email-amit.kachhap@arm.com> <1576486038-9899-6-git-send-email-amit.kachhap@arm.com> From: Amit Kachhap Message-ID: Date: Thu, 9 Jan 2020 14:03:18 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200109_003357_716778_604868E9 X-CRM114-Status: GOOD ( 11.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Kees Cook , Ard Biesheuvel , Catalin Marinas , Richard Henderson , Kristina Martsenko , James Morse , Ramana Radhakrishnan , Mark Brown , Vincenzo Frascino , Will Deacon , Dave Martin Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 1/7/20 4:48 PM, Suzuki Kuruppassery Poulose wrote: > On 16/12/2019 08:47, Amit Daniel Kachhap wrote: >> This patch allows __cpu_setup to be invoked with one of these flags, >> ARM64_CPU_BOOT_PRIMARY, ARM64_CPU_BOOT_LATE or ARM64_CPU_RUNTIME. >> This is required as some cpufeatures need different handling during >> different scenarios. >> >> The input parameter in x0 is preserved till the end to be used inside >> this function. >> >> There should be no functional change with this patch and is useful >> for the subsequent ptrauth patch which utilizes it. Some upcoming >> arm cpufeatures can also utilize these flags. >> >> Signed-off-by: Amit Daniel Kachhap > > You may add: > > Suggested-by: James Morse Sure. I missed it. > > > Reviewed-by: Suzuki K Poulose Thanks for reviewing. > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel