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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 9A878C2D0A8 for ; Wed, 23 Sep 2020 17:43:57 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 1C11C20665 for ; Wed, 23 Sep 2020 17:43:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ypLjP00i" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1C11C20665 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kL8nv-0000QD-MO; Wed, 23 Sep 2020 17:43:43 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kL8nu-0000Q5-BN for xen-devel@lists.xenproject.org; Wed, 23 Sep 2020 17:43:42 +0000 X-Inumbo-ID: a5278fce-e628-471b-b630-e76d9a11c3cf Received: from mail.kernel.org (unknown [198.145.29.99]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id a5278fce-e628-471b-b630-e76d9a11c3cf; Wed, 23 Sep 2020 17:43:41 +0000 (UTC) Received: from localhost (c-67-164-102-47.hsd1.ca.comcast.net [67.164.102.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 72A7020665; Wed, 23 Sep 2020 17:43:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600883020; bh=Dv1ZVTm54NNGTbN2W/VYizSyFO51TBojndLO/is6yNk=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=ypLjP00iRzX0431xOR9cGpIGNl9TFU4/1WzCK5vRi6xNFaBJi6GqGbw0tLl52rMQo HXHJ7NiPSglWMluakHbkh3inM16CvkQ/VFQhOUw2NGP5SwBuUZaux43b3HZubFQDe3 m/fDZJ9ROKayT9uYQ7dhkwrNvUgb/3nk4VP4eWb0= Date: Wed, 23 Sep 2020 10:43:39 -0700 (PDT) From: Stefano Stabellini X-X-Sender: sstabellini@sstabellini-ThinkPad-T480s To: Julien Grall cc: xen-devel@lists.xenproject.org, Julien Grall , Andrew Cooper , George Dunlap , Ian Jackson , Jan Beulich , Stefano Stabellini , Wei Liu , Bertrand Marquis Subject: Re: [PATCH] SUPPORT.MD: Clarify the support state for the Arm SMMUv{1, 2} drivers In-Reply-To: <20200923082832.20038-1-julien@xen.org> Message-ID: References: <20200923082832.20038-1-julien@xen.org> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" On Wed, 23 Sep 2020, Julien Grall wrote: > From: Julien Grall > > SMMUv{1, 2} are both marked as security supported, so we would > technically have to issue an XSA for any IOMMU security bug. > > However, at the moment, device passthrough is not security supported > on Arm and there is no plan to change that in the next few months. > > Therefore, mark Arm SMMUv{1, 2} as supported but not security supported. > > Signed-off-by: Julien Grall Acked-by: Stefano Stabellini > --- > > Cc: Bertrand Marquis > --- > SUPPORT.md | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/SUPPORT.md b/SUPPORT.md > index 25987ec1dfb6..f35943a432f7 100644 > --- a/SUPPORT.md > +++ b/SUPPORT.md > @@ -62,8 +62,8 @@ supported in this document. > > Status, AMD IOMMU: Supported > Status, Intel VT-d: Supported > - Status, ARM SMMUv1: Supported > - Status, ARM SMMUv2: Supported > + Status, ARM SMMUv1: Supported, not security supported > + Status, ARM SMMUv2: Supported, not security supported > Status, Renesas IPMMU-VMSA: Supported, not security supported > > ### ARM/GICv3 ITS > -- > 2.17.1 >