From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-1.mimecast.com (us-smtp-1.mimecast.com [207.211.31.120]) by mx.groups.io with SMTP id smtpd.web10.3438.1591866334595765009 for ; Thu, 11 Jun 2020 02:05:34 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=duy6xfdW; spf=pass (domain: redhat.com, ip: 207.211.31.120, mailfrom: lersek@redhat.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591866333; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Yt5YF4SOJa3MO+luashgmFO+ZVZnVM+O67Yvl+Y9b0Y=; b=duy6xfdWSzsTPKQ6/Mbhxb9SyFS8d/VnkqHBnJpm6f+5y6FTjyhH2byNaBuhR6llWPoDlQ wai4NI1NBN5oHaE8nrst7k5zfstlOi2As5vJm+NomKN44X9uQZyBHUOVBR8EaiTwERpwoL RQIBnVWLWvg3PHOhFyD4V5jQbGDnQ5s= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-239-pjPGZ3X2NjerDwusEHaIkw-1; Thu, 11 Jun 2020 05:05:25 -0400 X-MC-Unique: pjPGZ3X2NjerDwusEHaIkw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0E134184516E; Thu, 11 Jun 2020 09:05:24 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-114-21.ams2.redhat.com [10.36.114.21]) by smtp.corp.redhat.com (Postfix) with ESMTP id B64C960BF3; Thu, 11 Jun 2020 09:05:21 +0000 (UTC) Subject: Re: [PATCH v9 20/46] OvmfPkg/VmgExitLib: Add support for RDPMC NAE events To: Tom Lendacky , devel@edk2.groups.io Cc: Brijesh Singh , Ard Biesheuvel , Eric Dong , Jordan Justen , Liming Gao , Michael D Kinney , Ray Ni References: From: "Laszlo Ersek" Message-ID: Date: Thu, 11 Jun 2020 11:05:20 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit On 06/05/20 15:27, Tom Lendacky wrote: > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 > > Under SEV-ES, a RDPMC intercept generates a #VC exception. VMGEXIT must be > used to allow the hypervisor to handle this intercept. > > Cc: Jordan Justen > Cc: Laszlo Ersek > Cc: Ard Biesheuvel > Acked-by: Laszlo Ersek > Signed-off-by: Tom Lendacky > --- > OvmfPkg/Library/VmgExitLib/VmgExitVcHandler.c | 46 ++++++++++++++++++++ > 1 file changed, 46 insertions(+) Thanks!