From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@arm.com>
Subject: [PATCH v2 07/15] xen/arm: p2m: Switch the p2m lock from
	spinlock to rwlock
Date: Thu, 28 Jul 2016 15:20:12 +0100
Message-ID: <1469715620-4670-8-git-send-email-julien.grall@arm.com>
References: <1469715620-4670-1-git-send-email-julien.grall@arm.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: <1469715620-4670-1-git-send-email-julien.grall@arm.com>
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: xen-devel@lists.xen.org
Cc: proskurin@sec.in.tum.de, Julien Grall <julien.grall@arm.com>, sstabellini@kernel.org, steve.capper@arm.com, wei.chen@linaro.org
List-Id: xen-devel@lists.xenproject.org
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