From mboxrd@z Thu Jan  1 00:00:00 1970
Return-path: <kexec-bounces+dwmw2=infradead.org@lists.infradead.org>
Received: from out02.mta.xmission.com ([166.70.13.232])
 by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux))
 id 1bUarJ-0007xw-4H
 for kexec@lists.infradead.org; Tue, 02 Aug 2016 14:39:57 +0000
From: ebiederm@xmission.com (Eric W. Biederman)
References: <1469501995-2991-1-git-send-email-weijg.fnst@cn.fujitsu.com>
 <1469501995-2991-4-git-send-email-weijg.fnst@cn.fujitsu.com>
 <87k2g92gxb.fsf@x220.int.ebiederm.org>
 <1469520148.7811.54.camel@localhost>
Date: Tue, 02 Aug 2016 09:26:16 -0500
In-Reply-To: <1469520148.7811.54.camel@localhost> (Jiangang Wei's message of
 "Tue, 26 Jul 2016 08:05:20 +0000")
Message-ID: <87h9b3s0vr.fsf@x220.int.ebiederm.org>
MIME-Version: 1.0
Subject: Re: [PATCH v2 3/3] x86/apic: Improved the setting of interrupt mode
 for bsp
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: "Wei, Jiangang" <weijg.fnst@cn.fujitsu.com>
Cc: "bhe@redhat.com" <bhe@redhat.com>, "xpang@redhat.com" <xpang@redhat.com>, "joro@8bytes.org" <joro@8bytes.org>, "x86@kernel.org" <x86@kernel.org>, "kexec@lists.infradead.org" <kexec@lists.infradead.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "Cao,
 Jin" <caoj.fnst@cn.fujitsu.com>, "mingo@redhat.com" <mingo@redhat.com>, "kernel@kyup.com" <kernel@kyup.com>, "hpa@zytor.com" <hpa@zytor.com>, "tglx@linutronix.de" <tglx@linutronix.de>
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