From mboxrd@z Thu Jan  1 00:00:00 1970
Return-path: <kexec-bounces+dwmw2=infradead.org@lists.infradead.org>
Received: from mx3-rdu2.redhat.com ([66.187.233.73] helo=mx1.redhat.com)
 by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux))
 id 1fVwkb-00008o-OZ
 for kexec@lists.infradead.org; Thu, 21 Jun 2018 10:23:39 +0000
Date: Thu, 21 Jun 2018 18:23:21 +0800
From: Baoquan He <bhe@redhat.com>
Subject: Re: [PATCH 2/4 V3] Allocate pages for kdump without encryption when
 SME is enabled
Message-ID: <20180621102321.GK29979@MiWiFi-R3L-srv>
References: <20180616082714.32035-1-lijiang@redhat.com>
 <20180616082714.32035-3-lijiang@redhat.com>
 <20180621015306.GG29979@MiWiFi-R3L-srv>
 <e74e94b6-97dc-23d9-6262-44a7ae8d63bd@redhat.com>
MIME-Version: 1.0
Content-Disposition: inline
In-Reply-To: <e74e94b6-97dc-23d9-6262-44a7ae8d63bd@redhat.com>
List-Id: <kexec.lists.infradead.org>
List-Unsubscribe: <http://lists.infradead.org/mailman/options/kexec>,
 <mailto:kexec-request@lists.infradead.org?subject=unsubscribe>
List-Archive: <http://lists.infradead.org/pipermail/kexec/>
List-Post: <mailto:kexec@lists.infradead.org>
List-Help: <mailto:kexec-request@lists.infradead.org?subject=help>
List-Subscribe: <http://lists.infradead.org/mailman/listinfo/kexec>,
 <mailto:kexec-request@lists.infradead.org?subject=subscribe>
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Sender: "kexec" <kexec-bounces@lists.infradead.org>
Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org
To: lijiang <lijiang@redhat.com>
Cc: thomas.lendacky@amd.com, iommu@lists.linux-foundation.org, dyoung@redhat.com, linux-kernel@vger.kernel.org, kexec@lists.infradead.org
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=