From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: [PATCH RFC 23/44] x86/smp: Allocate percpu resources
	for map_domain_page() to use
Date: Thu, 4 Jan 2018 20:21:48 +0000
Message-ID: <1515097329-31902-24-git-send-email-andrew.cooper3@citrix.com>
References: <1515097329-31902-1-git-send-email-andrew.cooper3@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>
In-Reply-To: <1515097329-31902-1-git-send-email-andrew.cooper3@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.xen.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
List-Id: xen-devel@lists.xenproject.org
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