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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 4B431C4320A for ; Wed, 25 Aug 2021 19:56:02 +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 E26FB60551 for ; Wed, 25 Aug 2021 19:56:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E26FB60551 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:54854 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mIz0D-0007v5-3g for qemu-devel@archiver.kernel.org; Wed, 25 Aug 2021 15:56:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49156) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mIyz1-0005GX-Rw for qemu-devel@nongnu.org; Wed, 25 Aug 2021 15:54:47 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:42766) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mIyyz-0008IC-NN for qemu-devel@nongnu.org; Wed, 25 Aug 2021 15:54:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1629921284; 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=3T0Ad22WESQ69XFQegL8RiJS/TUoqK8Bfj+dZLFxNH0=; b=ebA4d8km1uWpmQKY3sDHszDrs/iUKjcAgJh/ZcLaIwIqUM51+Y0R2RlK7vBj2KiGnFo6n8 Geivk2bJZvdE+8DIfA4GLdUl29jvkWhHoFqvGWPQOflBMvfJRGFm/wyp/jn5FVj1WzTCZ2 pi4JkOHQvqs4XRAuU8eePejBlfZQsac= 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-66-YnNytg-ROZKFDIVYdUwq2Q-1; Wed, 25 Aug 2021 15:54:42 -0400 X-MC-Unique: YnNytg-ROZKFDIVYdUwq2Q-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 AE4EE87504B; Wed, 25 Aug 2021 19:54:41 +0000 (UTC) Received: from localhost (unknown [10.22.32.130]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5B24610372FD; Wed, 25 Aug 2021 19:54:41 +0000 (UTC) From: Eduardo Habkost To: qemu-devel@nongnu.org, Peter Maydell Subject: [PULL 1/2] target/i386: Remove split lock detect in Snowridge CPU model Date: Wed, 25 Aug 2021 15:54:37 -0400 Message-Id: <20210825195438.914387-2-ehabkost@redhat.com> In-Reply-To: <20210825195438.914387-1-ehabkost@redhat.com> References: <20210825195438.914387-1-ehabkost@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=ehabkost@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=170.10.133.124; envelope-from=ehabkost@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.745, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: Paolo Bonzini , Richard Henderson , Eduardo Habkost , Chenyi Qiang Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Chenyi Qiang At present, there's no mechanism intelligent enough to virtualize split lock detection correctly. Remove it in Snowridge CPU model to avoid the feature exposure. Signed-off-by: Chenyi Qiang Message-Id: <20210630012053.10098-1-chenyi.qiang@intel.com> Signed-off-by: Eduardo Habkost --- target/i386/cpu.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 34a7ce865bb..aebf81d9c98 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -3682,6 +3682,14 @@ static const X86CPUDefinition builtin_x86_defs[] = { { /* end of list */ }, }, }, + { + .version = 4, + .note = "no split lock detect", + .props = (PropValue[]) { + { "split-lock-detect", "off" }, + { /* end of list */ }, + }, + }, { /* end of list */ }, }, }, -- 2.31.1