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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 3059AC433DB for ; Tue, 9 Feb 2021 10:34:03 +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 8156964DAF for ; Tue, 9 Feb 2021 10:34:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8156964DAF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=yadro.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:38796 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l9QLJ-0003po-B4 for qemu-devel@archiver.kernel.org; Tue, 09 Feb 2021 05:34:01 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:56828) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l9QKR-0002wb-9U; Tue, 09 Feb 2021 05:33:07 -0500 Received: from mta-02.yadro.com ([89.207.88.252]:41414 helo=mta-01.yadro.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l9QKP-0004ee-Nt; Tue, 09 Feb 2021 05:33:07 -0500 Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id ACF6A411FB; Tue, 9 Feb 2021 10:33:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= in-reply-to:content-disposition:content-type:content-type :mime-version:references:message-id:subject:subject:from:from :date:date:received:received:received; s=mta-01; t=1612866782; x=1614681183; bh=Z1rX4ofjHHi6YocKMEYxlryyHtoT1Jr0DSWwPD6M6uI=; b= k3PLkx4iSOFLm8N+kXdvO7rDx/qsKJp2P7eH7fcJeN2MIGECO7hYCLm10oZxYJFj HYormNVL4z8TThd3raJkHIa1U7wbZcM31kgcXlxSsxBytc46nLbRy39/IeUBDuZM g39GOBDxqV19L+5JTYNf2AD7hNcBwlu0FbjhZUMPuBk= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LhqGGvzIZVIp; Tue, 9 Feb 2021 13:33:02 +0300 (MSK) Received: from T-EXCH-03.corp.yadro.com (t-exch-03.corp.yadro.com [172.17.100.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 89EC44128C; Tue, 9 Feb 2021 13:33:02 +0300 (MSK) Received: from localhost (172.17.128.60) by T-EXCH-03.corp.yadro.com (172.17.100.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Tue, 9 Feb 2021 13:33:02 +0300 Date: Tue, 9 Feb 2021 13:33:01 +0300 From: Roman Bolshakov To: Subject: Re: [PATCH] target/i386/hvf: add rdmsr 35H MSR_CORE_THREAD_COUNT Message-ID: References: <20210113205323.33310-1-yaroshchuk2000@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20210113205323.33310-1-yaroshchuk2000@gmail.com> X-Originating-IP: [172.17.128.60] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-03.corp.yadro.com (172.17.100.103) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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: qemu-trivial@nongnu.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, Jan 13, 2021 at 11:53:23PM +0300, yaroshchuk2000@gmail.com wrote: > From: Vladislav Yaroshchuk > > Some guests (ex. Darwin-XNU) can attemp to read this MSR to retrieve and > validate CPU topology comparing it to ACPI MADT content > > MSR description from Intel Manual: > 35H: MSR_CORE_THREAD_COUNT: Configured State of Enabled Processor Core > Count and Logical Processor Count > > Bits 15:0 THREAD_COUNT The number of logical processors that are > currently enabled in the physical package > > Bits 31:16 Core_COUNT The number of processor cores that are currently > enabled in the physical package > > Bits 63:32 Reserved > > Signed-off-by: Vladislav Yaroshchuk > --- > target/i386/cpu.h | 2 ++ > target/i386/hvf/x86_emu.c | 5 +++++ > 2 files changed, 7 insertions(+) > Queued, thanks! -Roman