From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:59274)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <rth7680@gmail.com>) id 1WYIgT-0003KW-H0
	for qemu-devel@nongnu.org; Thu, 10 Apr 2014 13:22:46 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <rth7680@gmail.com>) id 1WYIgO-0002mO-KS
	for qemu-devel@nongnu.org; Thu, 10 Apr 2014 13:22:41 -0400
Received: from mail-qg0-x235.google.com ([2607:f8b0:400d:c04::235]:58142)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <rth7680@gmail.com>) id 1WYIgO-0002kk-Fn
	for qemu-devel@nongnu.org; Thu, 10 Apr 2014 13:22:36 -0400
Received: by mail-qg0-f53.google.com with SMTP id f51so3440779qge.40
	for <qemu-devel@nongnu.org>; Thu, 10 Apr 2014 10:22:35 -0700 (PDT)
Sender: Richard Henderson <rth7680@gmail.com>
Message-ID: <5346D356.4070800@twiddle.net>
Date: Thu, 10 Apr 2014 10:22:30 -0700
From: Richard Henderson <rth@twiddle.net>
MIME-Version: 1.0
References: <1397146536-30116-1-git-send-email-peter.maydell@linaro.org>
	<1397146536-30116-13-git-send-email-peter.maydell@linaro.org>
In-Reply-To: <1397146536-30116-13-git-send-email-peter.maydell@linaro.org>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [PATCH v6 12/37] target-arm: A64: Implement DC ZVA
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Peter Maydell <peter.maydell@linaro.org>, qemu-devel@nongnu.org
Cc: Peter Crosthwaite <peter.crosthwaite@xilinx.com>, patches@linaro.org, Alexander Graf <agraf@suse.de>, Greg Bellows <greg.bellows@linaro.org>, Laurent Desnogues <laurent.desnogues@gmail.com>, =?ISO-8859-1?Q?Alex_Benn=E9e?= <alex.bennee@linaro.org>, kvmarm@lists.cs.columbia.edu, Christoffer Dall <christoffer.dall@linaro.org>

On 04/10/2014 09:15 AM, Peter Maydell wrote:
> Implement the DC ZVA instruction, which clears a block of memory.
> The fast path obtains a pointer to the underlying RAM via the TCG TLB
> data structure so we can do a direct memset(), with fallback to a
> simple byte-store loop in the slow path.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Reviewed-by: Richard Henderson <rth@twiddle.net>


r~