From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Wu, Feng" <feng.wu@intel.com>
Subject: Re: [PATCH v4 5/6] VT-d: No need to set irq affinity
 for posted format IRTE
Date: Sun, 9 Oct 2016 05:35:59 +0000
Message-ID: <E959C4978C3B6342920538CF579893F0198865E7@SHSMSX104.ccr.corp.intel.com>
References: <1474425470-3629-1-git-send-email-feng.wu@intel.com>
 <1474425470-3629-6-git-send-email-feng.wu@intel.com>
 <57E93782020000780011274C@prv-mh.provo.novell.com>
 <E959C4978C3B6342920538CF579893F0198804C5@SHSMSX104.ccr.corp.intel.com>
 <57EBB07C0200007800113384@prv-mh.provo.novell.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
In-Reply-To: <57EBB07C0200007800113384@prv-mh.provo.novell.com>
Content-Language: en-US
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: Jan Beulich <JBeulich@suse.com>
Cc: "Tian, Kevin" <kevin.tian@intel.com>, "Wu, Feng" <feng.wu@intel.com>, "george.dunlap@eu.citrix.com" <george.dunlap@eu.citrix.com>, "andrew.cooper3@citrix.com" <andrew.cooper3@citrix.com>, "dario.faggioli@citrix.com" <dario.faggioli@citrix.com>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
List-Id: xen-devel@lists.xenproject.org
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