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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS 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 C714BC43381 for ; Mon, 25 Mar 2019 20:05:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A2D6320850 for ; Mon, 25 Mar 2019 20:05:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730330AbfCYUFy (ORCPT ); Mon, 25 Mar 2019 16:05:54 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:54642 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729610AbfCYUFx (ORCPT ); Mon, 25 Mar 2019 16:05:53 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 78BB51596; Mon, 25 Mar 2019 13:05:53 -0700 (PDT) Received: from [10.1.197.21] (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 312363F59C; Mon, 25 Mar 2019 13:05:51 -0700 (PDT) From: Kristina Martsenko Subject: Re: [PATCH v7 9/10] KVM: arm64: docs: document KVM support of pointer authentication To: Amit Daniel Kachhap , linux-arm-kernel@lists.infradead.org Cc: Christoffer Dall , Marc Zyngier , Catalin Marinas , Will Deacon , Andrew Jones , Dave Martin , Ramana Radhakrishnan , kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, Mark Rutland , James Morse , Julien Thierry References: <1552984243-7689-1-git-send-email-amit.kachhap@arm.com> <1552984243-7689-10-git-send-email-amit.kachhap@arm.com> Message-ID: <23e4a9d4-e9e1-2c1f-32ce-e7fd96080437@arm.com> Date: Mon, 25 Mar 2019 20:05:49 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <1552984243-7689-10-git-send-email-amit.kachhap@arm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 19/03/2019 08:30, Amit Daniel Kachhap wrote: > This adds sections for KVM API extension for pointer authentication. > A brief description about usage of pointer authentication for KVM guests > is added in the arm64 documentations. > > Signed-off-by: Amit Daniel Kachhap > Cc: Mark Rutland > Cc: Christoffer Dall > Cc: Marc Zyngier > Cc: kvmarm@lists.cs.columbia.edu I think it makes sense to also update the Kconfig symbol description for CONFIG_ARM64_PTR_AUTH, since it currently only mentions userspace support, but now the option also enables KVM guest support. It's also worth mentioning that CONFIG_ARM64_VHE=y is required for guest support. Thanks, Kristina 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=-4.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS 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 31821C43381 for ; Mon, 25 Mar 2019 20:06:04 +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 03CBC20850 for ; Mon, 25 Mar 2019 20:06:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ce1LiOnU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 03CBC20850 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-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:References:To:Subject:From:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=B11fN8pe5dtM6dAfP/bX5A+8L3q6D7Y/EZ230Amx7FM=; b=ce1LiOnUhQVPdL EkmCck6p92+0m/Y6vueP4S3vG2nmI9anw7YB/A+hloUNZkkXWFYlaJh8CXctYfozZ9TV0OqLUV4LI pATmTQYFh19MIfhHA1vHCG7dVTKj8ZUm3sw5Vkrmb/5bdttnNP+Ey1Pzf6IvVb6e4qI+GA1bNmKMw 8GRDHmlvRHY+F7IIzb0mppQExnF4RYPglCPSNly0izT0cqLkIaNpeOOhxgsC+vocLb7e/2mlthAZH XOiNZ3jzsV2BGPRriAKSSMTA38cK8asZjEne/rPzFnvAvZXmOYZVtaM3bTY7fOAbgpYr5npMHNOrP Q1aDdQa4O7rmGYQ624FA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h8Vr3-0006EF-Kp; Mon, 25 Mar 2019 20:05:57 +0000 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h8Vr0-0006Cu-EY for linux-arm-kernel@lists.infradead.org; Mon, 25 Mar 2019 20:05:56 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 78BB51596; Mon, 25 Mar 2019 13:05:53 -0700 (PDT) Received: from [10.1.197.21] (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 312363F59C; Mon, 25 Mar 2019 13:05:51 -0700 (PDT) From: Kristina Martsenko Subject: Re: [PATCH v7 9/10] KVM: arm64: docs: document KVM support of pointer authentication To: Amit Daniel Kachhap , linux-arm-kernel@lists.infradead.org References: <1552984243-7689-1-git-send-email-amit.kachhap@arm.com> <1552984243-7689-10-git-send-email-amit.kachhap@arm.com> Message-ID: <23e4a9d4-e9e1-2c1f-32ce-e7fd96080437@arm.com> Date: Mon, 25 Mar 2019 20:05:49 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <1552984243-7689-10-git-send-email-amit.kachhap@arm.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190325_130554_502796_2E710E0D X-CRM114-Status: GOOD ( 12.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Andrew Jones , Julien Thierry , Marc Zyngier , Catalin Marinas , Will Deacon , Christoffer Dall , kvmarm@lists.cs.columbia.edu, James Morse , Ramana Radhakrishnan , Dave Martin , linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 19/03/2019 08:30, Amit Daniel Kachhap wrote: > This adds sections for KVM API extension for pointer authentication. > A brief description about usage of pointer authentication for KVM guests > is added in the arm64 documentations. > > Signed-off-by: Amit Daniel Kachhap > Cc: Mark Rutland > Cc: Christoffer Dall > Cc: Marc Zyngier > Cc: kvmarm@lists.cs.columbia.edu I think it makes sense to also update the Kconfig symbol description for CONFIG_ARM64_PTR_AUTH, since it currently only mentions userspace support, but now the option also enables KVM guest support. It's also worth mentioning that CONFIG_ARM64_VHE=y is required for guest support. Thanks, Kristina _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel