From mboxrd@z Thu Jan  1 00:00:00 1970
From: "'Dave Young'" <dyoung@redhat.com>
Subject: Re: [V4 PATCH 1/2] x86/panic: Replace smp_send_stop()
 with kdump friendly version in panic path
Date: Thu, 22 Sep 2016 09:53:54 +0800
Message-ID: <20160922015354.GA12860__42550.5256200724$1474509326$gmane$org@dhcp-128-65.nay.redhat.com>
References: <20160810080946.11028.97686.stgit@sysi4-13.yrl.intra.hitachi.co.jp>
 <20160810080948.11028.15344.stgit@sysi4-13.yrl.intra.hitachi.co.jp>
 <20160812031633.GA2983@dhcp-128-65.nay.redhat.com>
 <04EAB7311EE43145B2D3536183D1A84454CBBABC@GSjpTKYDCembx31.service.hitachi.net>
 <57E0E7EC.2010704@redhat.com>
 <04EAB7311EE43145B2D3536183D1A84454D0FECC@GSjpTKYDCembx31.service.hitachi.net>
 <04EAB7311EE43145B2D3536183D1A84454D101A4@GSjpTKYDCembx31.service.hitachi.net>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
Received: from mail6.bemta5.messagelabs.com ([195.245.231.135])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <dyoung@redhat.com>) id 1bmtDH-0005Ml-Br
 for xen-devel@lists.xenproject.org; Thu, 22 Sep 2016 01:54:11 +0000
Content-Disposition: inline
In-Reply-To: <04EAB7311EE43145B2D3536183D1A84454D101A4@GSjpTKYDCembx31.service.hitachi.net>
List-Unsubscribe: <https://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <https://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xen.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xen.org>
To: =?utf-8?B?5rKz5ZCI6Iux5a6PIC8gS0FXQUnvvIxISURFSElSTw==?= <hidehiro.kawai.ez@hitachi.com>
Cc: "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>, David Vrabel <david.vrabel@citrix.com>, Baoquan He <bhe@redhat.com>, Toshi Kani <toshi.kani@hpe.com>, "kexec@lists.infradead.org" <kexec@lists.infradead.org>, "x86@kernel.org" <x86@kernel.org>, "xlpang@redhat.com" <xlpang@redhat.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Ralf Baechle <ralf@linux-mips.org>, "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>, HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>, Ingo Molnar <mingo@redhat.com>, Masami Hiramatsu <mhiramat@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>, Daniel Walker <dwalker@fifo99.com>, Andrew Morton <akpm@linux-foundation.org>, Borislav Petkov <bp@suse.de>, Thomas Gleixner <tglx@linutronix.de>, Vivek Goyal <vgoyal@redhat.com>, "Eric W. Biederman" <ebiederm@xmission.com>
List-Id: xen-devel@lists.xenproject.org
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