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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 9BDF7C3A59C for ; Thu, 15 Aug 2019 16:07:12 +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 7177F20644 for ; Thu, 15 Aug 2019 16:07:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7177F20644 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]:43703 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hyIHO-0002OB-UL for qemu-devel@archiver.kernel.org; Thu, 15 Aug 2019 12:07:10 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42682) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hyIEY-0008PI-8c for qemu-devel@nongnu.org; Thu, 15 Aug 2019 12:04:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hyIES-0003St-OZ for qemu-devel@nongnu.org; Thu, 15 Aug 2019 12:04:13 -0400 Received: from mail-wm1-f49.google.com ([209.85.128.49]:36425) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hyIES-0003Ql-I9 for qemu-devel@nongnu.org; Thu, 15 Aug 2019 12:04:08 -0400 Received: by mail-wm1-f49.google.com with SMTP id g67so1691479wme.1 for ; Thu, 15 Aug 2019 09:04:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=12CmPXDKohJIalirQWLIymjm76aqAmjolo9JFT55CfI=; b=uR2hGCyn5ynH1lKjOOQQQj6WHKvGfhoSXy+ZqtWTu2hXloJx0Judku2wlj6kYBzh8m i2yjGQVSxCD830JaYfC/u/h/01nEqEFfYxfCn4Sp5amNjyQHAh9DL+SpUlBt9L7RdTYC C0yn4dloxgJ2yrEKsO4OafIVv6kpsdmkULMb1XXmsBk6l7wYCXnIOD7CPhUnLq6PNbUC wuScB5V1w0JLIUEyU7wyKNVhJgvqNyeMjt/Riq2Er9CNOZFkVEFr4V/E4yuxzkjs7Pkz 1oqYBa4v4yXt40uke9UU/B/9daykWbpxoPSw/QZ27Iii9Fy0DCQaqGJ3sXm6atW0XpXa zKcg== X-Gm-Message-State: APjAAAU8OLyOHNELiqRmEr8K8AykTOAmZXGqeaT7wyhfcicv4mnAg93S nSxhYCMto+hCd7kxzgmuWzuqtg== X-Google-Smtp-Source: APXvYqyCgR9nyP3oIWWPvbZlOfkCKQomPMTsxIfhP9S+ZkYqKC0bUJHNEYieFprlEnuxW+YpF+UTyg== X-Received: by 2002:a1c:4c02:: with SMTP id z2mr3669896wmf.92.1565885046124; Thu, 15 Aug 2019 09:04:06 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:2cae:66cd:dd43:92d9? ([2001:b07:6468:f312:2cae:66cd:dd43:92d9]) by smtp.gmail.com with ESMTPSA id c1sm1465195wmc.40.2019.08.15.09.04.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 15 Aug 2019 09:04:05 -0700 (PDT) To: "Yao, Jiewen" , Laszlo Ersek , edk2-devel-groups-io References: <8091f6e8-b1ec-f017-1430-00b0255729f4@redhat.com> <74D8A39837DF1E4DA445A8C0B3885C503F75B680@shsmsx102.ccr.corp.intel.com> <047801f8-624a-2300-3cf7-1daa1395ce59@redhat.com> <74D8A39837DF1E4DA445A8C0B3885C503F75E4E9@shsmsx102.ccr.corp.intel.com> From: Paolo Bonzini Openpgp: preference=signencrypt Message-ID: Date: Thu, 15 Aug 2019 18:04:03 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <74D8A39837DF1E4DA445A8C0B3885C503F75E4E9@shsmsx102.ccr.corp.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.85.128.49 Subject: Re: [Qemu-devel] CPU hotplug using SMM with QEMU+OVMF 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: "Chen, Yingwen" , Phillip Goerl , qemu devel list , "Nakajima, Jun" , Igor Mammedov , Boris Ostrovsky , edk2-rfc-groups-io , Joao Marcal Lemos Martins Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 15/08/19 11:55, Yao, Jiewen wrote: > Hi Paolo > I am not sure what do you mean - "You do not need a reset vector ...". > If so, where is the first instruction of the new CPU in the virtualization environment? > Please help me understand that at first. Then we can continue the discussion. The BSP starts running from 0xFFFFFFF0. APs do not start running at all and just sit waiting for an INIT-SIPI-SIPI sequence. Please see my proposal in the reply to Laszlo. Paolo