From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id B174481D07 for ; Fri, 4 Nov 2016 09:28:58 -0700 (PDT) Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6F0BA3D943; Fri, 4 Nov 2016 16:29:00 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-116-156.phx2.redhat.com [10.3.116.156]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uA4GSv89001008; Fri, 4 Nov 2016 12:28:58 -0400 To: "Yao, Jiewen" , "Kinney, Michael D" References: <74D8A39837DF1E4DA445A8C0B3885C50386BE1E9@shsmsx102.ccr.corp.intel.com> <74D8A39837DF1E4DA445A8C0B3885C50386BE285@shsmsx102.ccr.corp.intel.com> Cc: "Tian, Feng" , =?UTF-8?B?UmFkaW0gS3I/bcOhPw==?= , "edk2-devel@ml01.01.org" , Paolo Bonzini , "Fan, Jeff" , "Zeng, Star" From: Laszlo Ersek Message-ID: <7c2e0050-8b53-bf30-8586-a52dd437e4b9@redhat.com> Date: Fri, 4 Nov 2016 17:28:56 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <74D8A39837DF1E4DA445A8C0B3885C50386BE285@shsmsx102.ccr.corp.intel.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Fri, 04 Nov 2016 16:29:00 +0000 (UTC) Subject: Re: [PATCH 0/6] Enable SMM page level protection. X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Nov 2016 16:28:58 -0000 Content-Type: text/plain; charset=iso-8859-2 Content-Transfer-Encoding: 7bit On 11/04/16 04:14, Yao, Jiewen wrote: > Mike > > You are right. > > After I turn on this, I saw all APs. > > > > However, the system becomes extremely slow. Intolerable. > > > > I suggest to add more description around below on why it is set to 0x01 > by default, and what is the impact if it becomes 0x00. Well, the commit messages document the settings in detail -- you can easily find them by running "git blame" on the DSC file. (I assume that's how Mike found the commits too.) (If someone submitted a DSC patch with comments, I wouldn't NACK it, of course.) Thanks Laszlo