From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@arm.com>
Subject: [PATCH v5 2/7] xen/arm: cpufeature: Provide an helper
	to check if a capability is supported
Date: Wed, 20 Jul 2016 16:25:55 +0100
Message-ID: <1469028360-20907-3-git-send-email-julien.grall@arm.com>
References: <1469028360-20907-1-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: <1469028360-20907-1-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: Julien Grall <julien.grall@arm.com>, sstabellini@kernel.org
List-Id: xen-devel@lists.xenproject.org
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