From patchwork Tue May 21 18:50:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 1102952 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 457lMG1wQ2z9s9N for ; Wed, 22 May 2019 04:55:20 +1000 (AEST) Received: from localhost ([127.0.0.1]:57934 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hT9ur-0008Rc-Sy for incoming@patchwork.ozlabs.org; Tue, 21 May 2019 14:55:13 -0400 Received: from eggs.gnu.org ([209.51.188.92]:41778) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hT9u7-0008HJ-44 for qemu-devel@nongnu.org; Tue, 21 May 2019 14:54:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hT9rA-0005PF-PN for qemu-devel@nongnu.org; Tue, 21 May 2019 14:51:29 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37370) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hT9r8-0005Hy-AZ for qemu-devel@nongnu.org; Tue, 21 May 2019 14:51:22 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 687AFF74A6; Tue, 21 May 2019 18:51:05 +0000 (UTC) Received: from localhost (ovpn-116-14.gru2.redhat.com [10.97.116.14]) by smtp.corp.redhat.com (Postfix) with ESMTP id CF699646A0; Tue, 21 May 2019 18:51:04 +0000 (UTC) From: Eduardo Habkost To: Peter Maydell , qemu-devel@nongnu.org Date: Tue, 21 May 2019 15:50:57 -0300 Message-Id: <20190521185059.28236-2-ehabkost@redhat.com> In-Reply-To: <20190521185059.28236-1-ehabkost@redhat.com> References: <20190521185059.28236-1-ehabkost@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Tue, 21 May 2019 18:51:05 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 1/3] target/i386: define md-clear bit X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , Eduardo Habkost , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Paolo Bonzini md-clear is a new CPUID bit which is set when microcode provides the mechanism to invoke a flush of various exploitable CPU buffers by invoking the VERW instruction. Signed-off-by: Paolo Bonzini Message-Id: <20190515141011.5315-2-berrange@redhat.com> Signed-off-by: Eduardo Habkost --- target/i386/cpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 2df56fa977..953d78b062 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -1077,7 +1077,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = { .feat_names = { NULL, NULL, "avx512-4vnniw", "avx512-4fmaps", NULL, NULL, NULL, NULL, - NULL, NULL, NULL, NULL, + NULL, NULL, "md-clear", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,