From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wei Liu <wei.liu2@citrix.com>
Subject: [PATCH RFC v1 03/74] x86/upcall: inject a spurious
	event after setting upcall vector
Date: Thu, 4 Jan 2018 13:05:14 +0000
Message-ID: <20180104130625.28605-4-wei.liu2@citrix.com>
References: <20180104130625.28605-1-wei.liu2@citrix.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xenproject.org>
Received: from all-amaz-eas1.inumbo.com ([34.197.232.57])
 by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from
 <srs0=/p+y=d7=citrix.com=prvs=535dfbe76=wei.liu2@srs-us1.protection.inumbo.net>)
 id 1eX5Ea-0000YD-UN
 for xen-devel@lists.xenproject.org; Thu, 04 Jan 2018 13:07:00 +0000
In-Reply-To: <20180104130625.28605-1-wei.liu2@citrix.com>
List-Unsubscribe: <https://lists.xenproject.org/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xenproject.org>
List-Help: <mailto:xen-devel-request@lists.xenproject.org?subject=help>
List-Subscribe: <https://lists.xenproject.org/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xenproject.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: wei.liu2@citrix.com
List-Id: xen-devel@lists.xenproject.org
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==