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 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 509B2CD11BF for ; Wed, 20 Mar 2024 12:33:47 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rmv7c-0004l7-BI; Wed, 20 Mar 2024 08:32:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rmv7a-0004kT-Eh for qemu-devel@nongnu.org; Wed, 20 Mar 2024 08:32:42 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rmv7Q-0005Dy-2V for qemu-devel@nongnu.org; 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Wed, 20 Mar 2024 12:32:26 +0000 (UTC) Received: from redhat.com (unknown [10.42.28.205]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3FA37492BDA; Wed, 20 Mar 2024 12:32:25 +0000 (UTC) Date: Wed, 20 Mar 2024 12:32:19 +0000 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Michael Roth Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Tom Lendacky , Paolo Bonzini , Markus Armbruster , Pankaj Gupta , Xiaoyao Li , Isaku Yamahata Subject: Re: [PATCH v3 28/49] i386/sev: Disable SMM for SNP Message-ID: References: <20240320083945.991426-1-michael.roth@amd.com> <20240320083945.991426-29-michael.roth@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20240320083945.991426-29-michael.roth@amd.com> User-Agent: Mutt/2.2.12 (2023-09-09) X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 Received-SPF: pass client-ip=170.10.129.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.417, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Wed, Mar 20, 2024 at 03:39:24AM -0500, Michael Roth wrote: > SNP does not support SMM. > > Signed-off-by: Michael Roth > --- > target/i386/sev.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/target/i386/sev.c b/target/i386/sev.c > index b06c796aae..134e8f7c22 100644 > --- a/target/i386/sev.c > +++ b/target/i386/sev.c > @@ -881,6 +881,7 @@ static int sev_kvm_init(ConfidentialGuestSupport *cgs, Error **errp) > { > SevCommonState *sev_common = SEV_COMMON(cgs); > MachineState *ms = MACHINE(qdev_get_machine()); > + X86MachineState *x86ms = X86_MACHINE(ms); > char *devname; > int ret, fw_error, cmd; > uint32_t ebx; > @@ -1003,6 +1004,13 @@ static int sev_kvm_init(ConfidentialGuestSupport *cgs, Error **errp) > > if (sev_snp_enabled()) { > ms->require_guest_memfd = true; > + > + if (x86ms->smm == ON_OFF_AUTO_AUTO) { > + x86ms->smm = ON_OFF_AUTO_OFF; > + } else if (x86ms->smm == ON_OFF_AUTO_ON) { > + error_report("SEV-SNP does not support SMM."); > + goto err; > + } > } This method has a 'Error **errp' parameter, so you must use error_setg, not error_report. With regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|