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=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 3275FC433DF for ; Mon, 6 Jul 2020 17:01:18 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id F0FB5205CB for ; Mon, 6 Jul 2020 17:01:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="dpDUuuz7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F0FB5205CB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:54000 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jsUUX-0008Fk-1i for qemu-devel@archiver.kernel.org; Mon, 06 Jul 2020 13:01:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57530) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jsUCa-0004FF-UT for qemu-devel@nongnu.org; Mon, 06 Jul 2020 12:42:44 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:32065 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jsUCY-0003EL-3e for qemu-devel@nongnu.org; Mon, 06 Jul 2020 12:42:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594053761; 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=3GxL6btt/Ogdx87xX8H9KeDltY/mkqzmXGn7AWxglbs=; b=dpDUuuz7ERnySaAkY7N0pjBVyc2XlrHbneekxHe9KNPa+j5VyjqpGGLkW1ld6j0mdvav77 hH3qnSGZlC++2alUwwJA1wMpNC6i8KVBnc2aSKI2ROEFAkkzJ9lG+OPzBUXrTXpo+WTXV2 k10r7utAwnlFNMJ8Jo25OGTQ3B9IBm8= 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-164-gpSolqQkOEq0tUUfhUAQkw-1; Mon, 06 Jul 2020 12:42:36 -0400 X-MC-Unique: gpSolqQkOEq0tUUfhUAQkw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 33EE0EC1A0; Mon, 6 Jul 2020 16:42:35 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id D7974100238C; Mon, 6 Jul 2020 16:42:34 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 51/53] target/i386: Add SERIALIZE cpu feature Date: Mon, 6 Jul 2020 12:41:53 -0400 Message-Id: <20200706164155.24696-52-pbonzini@redhat.com> In-Reply-To: <20200706164155.24696-1-pbonzini@redhat.com> References: <20200706164155.24696-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=205.139.110.61; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/06 01:59:39 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, 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_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Cathy Zhang Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Cathy Zhang The availability of the SERIALIZATION instruction is indicated by the presence of the CPUID feature flag SERIALIZE, which is defined as CPUID.(EAX=7,ECX=0):ECX[bit 14]. The release spec link is as follows: https://software.intel.com/content/dam/develop/public/us/en/documents/\ architecture-instruction-set-extensions-programming-reference.pdf The associated kvm patch link is as follows: https://lore.kernel.org/patchwork/patch/1268025/ Signed-off-by: Cathy Zhang Message-Id: <1593991036-12183-2-git-send-email-cathy.zhang@intel.com> Signed-off-by: Paolo Bonzini --- target/i386/cpu.c | 2 +- target/i386/cpu.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index be9a0aa76d..fa9353dfba 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -986,7 +986,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = { NULL, NULL, "avx512-4vnniw", "avx512-4fmaps", NULL, NULL, NULL, NULL, "avx512-vp2intersect", NULL, "md-clear", NULL, - NULL, NULL, NULL, NULL, + NULL, NULL, "serialize", NULL, NULL, NULL, NULL /* pconfig */, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "spec-ctrl", "stibp", diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 9284f96896..bd71fe3ef2 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -777,6 +777,8 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS]; #define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */ #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8) +/* SERIALIZE instruction */ +#define CPUID_7_0_EDX_SERIALIZE (1U << 14) /* Speculation Control */ #define CPUID_7_0_EDX_SPEC_CTRL (1U << 26) /* Single Thread Indirect Branch Predictors */ -- 2.26.2