From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by spool.mail.gandi.net (Postfix) with ESMTPS id 5E5DFD80733 for ; Mon, 21 Aug 2023 14:34:56 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=+NexYxg0wd9lyoWU8D1uUGyffHoLo574RW6VCHA2jzo=; c=relaxed/simple; d=groups.io; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version:In-Reply-To:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Type:Content-Disposition; s=20140610; t=1692628495; v=1; b=A0o+qR9In4rPWN/xIjovJ27epPdulopqcHDQfXys6njehiBU7UFGlZYvWTrevKlwM5W+wZKk I3aXSmtLmx+nH0FPB55paSbN/+N9dqjmxGWO/zna7Z7+4PsuXoZMQ7nwoAbR67b43gkBjVXafja hwbsmf/uJ+0YGZetNwzASQes= X-Received: by 127.0.0.2 with SMTP id fPFZYY7687511xwy5cUHjeYH; Mon, 21 Aug 2023 07:34:55 -0700 X-Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mx.groups.io with SMTP id smtpd.web10.913.1692628494401847961 for ; Mon, 21 Aug 2023 07:34:54 -0700 X-Received: from mimecast-mx02.redhat.com (66.187.233.73 [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-571-s-cHnQftOgW2UoBSqUsqew-1; Mon, 21 Aug 2023 10:34:46 -0400 X-MC-Unique: s-cHnQftOgW2UoBSqUsqew-1 X-Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 562E11C05AEC; Mon, 21 Aug 2023 14:34:45 +0000 (UTC) X-Received: from sirius.home.kraxel.org (unknown [10.39.194.126]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 24FF140C206F; Mon, 21 Aug 2023 14:34:45 +0000 (UTC) X-Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id C0F9818009DC; Mon, 21 Aug 2023 16:34:43 +0200 (CEST) Date: Mon, 21 Aug 2023 16:34:43 +0200 From: "Gerd Hoffmann" To: Michael Roth Cc: devel@edk2.groups.io, YuanhaoXie , Tom Lendacky , Eric Dong , Ray Ni , Rahul Kumar , Ard Biesheuvel , Jiewen Yao , Jordan Justen , Erdem Aktas , James Bottomley , Min Xu Subject: Re: [edk2-devel] [PATCH 2/2] OvmfPkg/AmdSev: Disable PcdFirstTimeWakeUpAPsBySipti Message-ID: References: <20230816201146.1634348-1-michael.roth@amd.com> <20230816201146.1634348-3-michael.roth@amd.com> MIME-Version: 1.0 In-Reply-To: <20230816201146.1634348-3-michael.roth@amd.com> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Precedence: Bulk List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,kraxel@redhat.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: r1NxhTYeZe2EYL7W1wt3XvkCx7686176AA= Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20140610 header.b=A0o+qR9I; spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce@groups.io; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=redhat.com (policy=none) On Wed, Aug 16, 2023 at 03:11:46PM -0500, Michael Roth wrote: > PcdFirstTimeWakeUpAPsBySipi was recently introduced to indicate when > the full INIT-SIPI-SIPI sequence can be skipped for AP bringup. It is > true by default, but needs to be disabled for QEMU/OVMF where early INIT > is not simulated. Commit 1d76560146 ("OvmfPkg: Disable > PcdFirstTimeWakeUpAPsBySipi.") added changes to disable it > by default for OvmfPkg, but a similar change was not made for the > AmdSev package. This breaks booting of SEV and SNP guests. > > Fix this defaulting PcdFirstTimeWakeUpAPsBySipi to false for AmdSev > package, as was previously done for OvmfPkg variants. I suspect all ovmf builds need that, including AmdSev, IntelTdx, Microvm variants. Xen probably too. Not sure about Bhyve. So, a step into the right direction but not complete ... take care, Gerd -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#107918): https://edk2.groups.io/g/devel/message/107918 Mute This Topic: https://groups.io/mt/100787520/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-