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=-5.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT 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 6AA0AC43381 for ; Wed, 27 Mar 2019 10:44:41 +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 3A6F12070B for ; Wed, 27 Mar 2019 10:44:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="AXTd8VTS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3A6F12070B 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:References: Message-ID:Subject: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=GQCj/dZM+M3FDzi7hTkjlcKXthj8hzEA8wM+RdEiKI0=; b=AXTd8VTSGM7jtn X9hxo22B1JVkqw4t2rg1xX2ICF38mCGp8o0IJnm2l36Qn5UK488YwcsBGh7vpZxzxz8fMsYwEOMsg i7Qik022FsNnpuiwJuFCqlXcYSOj/ktta8JjSUNVNeuZYKeye2FdoNHjA+MZ23DGuGFad/RJZOcGc xfrOEDVRlUUHOeOJONIh1BWBJQoG5vOtt/zZUNn7xjgx2QrSH7osSTrTRSTe24FLkjdDFWiaIerQD Jj95rJS85eZPCthIRETQaCk0A5o8GB51QUn7pNC45mdNWYKSVF1rJNd0m7bPmk9j5aj9Rha0ijEMm 1aNZDj7SyOX+WAY7hRvg==; 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 1h962x-0000cr-0b; Wed, 27 Mar 2019 10:44:39 +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 1h962t-0000c1-Vr for linux-arm-kernel@lists.infradead.org; Wed, 27 Mar 2019 10:44:37 +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 79F59A78; Wed, 27 Mar 2019 03:44:33 -0700 (PDT) Received: from e103592.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id CFDC03F557; Wed, 27 Mar 2019 03:44:31 -0700 (PDT) Date: Wed, 27 Mar 2019 10:44:29 +0000 From: Dave Martin To: Kristina Martsenko Subject: Re: [PATCH v7 9/10] KVM: arm64: docs: document KVM support of pointer authentication Message-ID: <20190327104428.GV3567@e103592.cambridge.arm.com> References: <1552984243-7689-1-git-send-email-amit.kachhap@arm.com> <1552984243-7689-10-git-send-email-amit.kachhap@arm.com> <23e4a9d4-e9e1-2c1f-32ce-e7fd96080437@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <23e4a9d4-e9e1-2c1f-32ce-e7fd96080437@arm.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190327_034436_029570_184058D3 X-CRM114-Status: GOOD ( 14.81 ) 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: Marc Zyngier , Catalin Marinas , Will Deacon , linux-kernel@vger.kernel.org, Ramana Radhakrishnan , Amit Daniel Kachhap , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.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 Mon, Mar 25, 2019 at 08:05:49PM +0000, Kristina Martsenko wrote: > 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. Is it worth making this dependency explicit in Kconfig? For SVE, I have config ARM64_SVE depends on !KVM || ARM64_VHE to implement this. Cheers ---Dave _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel