From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-1.mimecast.com (us-smtp-1.mimecast.com [205.139.110.120]) by mx.groups.io with SMTP id smtpd.web11.29231.1595452918681535539 for ; Wed, 22 Jul 2020 14:21:58 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=PGJX7rW9; spf=pass (domain: redhat.com, ip: 205.139.110.120, mailfrom: lersek@redhat.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1595452917; 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=6UJ4OqU3WYGMjTyn0qysx1EmfaTqLEM4vC9TG9zUSE0=; b=PGJX7rW9cHCU5azWgcMDKRKrDiYQxVrq8fnuFfKyJAMy9JAizW3eXadOs/J3I13O9GtXq3 T6cgmsYNcnOgk7FZKn7xcfkuiB3mKMGEg4YaZZIUn5NV6iFi65B5QSmwt2pdteejBWnCS/ sDo31NJXt1HiFhX4teZl8Fosa8OpYY8= 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-284-p32s9k1dPIm_DG8gPIoKTQ-1; Wed, 22 Jul 2020 17:21:49 -0400 X-MC-Unique: p32s9k1dPIm_DG8gPIoKTQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0268B18C63C0; Wed, 22 Jul 2020 21:21:48 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-113-129.ams2.redhat.com [10.36.113.129]) by smtp.corp.redhat.com (Postfix) with ESMTP id 81EE65D9CD; Wed, 22 Jul 2020 21:21:46 +0000 (UTC) Subject: Re: [edk2-devel] [PATCH v7 03/10] UefiCpuPkg/CpuMpPei: Add GDT migration support (CVE-2019-11098) To: devel@edk2.groups.io, guomin.jiang@intel.com Cc: Michael Kubacki , Eric Dong , Ray Ni , Rahul Kumar , Jian J Wang References: <20200722083657.739-1-guomin.jiang@intel.com> <20200722083657.739-4-guomin.jiang@intel.com> From: "Laszlo Ersek" Message-ID: <54fecb78-ceee-7439-4798-884ac9c47fac@redhat.com> Date: Wed, 22 Jul 2020 23:21:45 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20200722083657.739-4-guomin.jiang@intel.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit On 07/22/20 10:36, Guomin Jiang wrote: > From: Michael Kubacki > > REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1614 > > Moves the GDT to permanent memory in a memory discovered > callback. This is done to ensure the GDT authenticated in > pre-memory is not fetched from outside a verified location > after the permanent memory transition. > > Cc: Eric Dong > Cc: Ray Ni > Cc: Laszlo Ersek > Cc: Rahul Kumar > Signed-off-by: Michael Kubacki > Reviewed-by: Laszlo Ersek > Reviewed-by: Jian J Wang > --- > UefiCpuPkg/CpuMpPei/CpuMpPei.inf | 1 + > UefiCpuPkg/CpuMpPei/CpuMpPei.h | 12 +++++++++++ > UefiCpuPkg/CpuMpPei/CpuMpPei.c | 37 ++++++++++++++++++++++++++++++++ > UefiCpuPkg/CpuMpPei/CpuPaging.c | 12 +++++++++-- > 4 files changed, 60 insertions(+), 2 deletions(-) I see that the IDT references have been removed from the subject and the commit message (relative to v5), so my R-b stands. Thanks! Laszlo