From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xensource.com>
Subject: Re: trap bounce flags
Date: Wed, 25 Apr 2007 11:56:11 +0100
Message-ID: <C254F25B.DD11%keir@xensource.com>
References: <C254EEFE.DD0B%keir@xensource.com>
Mime-Version: 1.0
Content-Type: text/plain;
	charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <C254EEFE.DD0B%keir@xensource.com>
List-Unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: Jan Beulich <jbeulich@novell.com>
Cc: xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org

On 25/4/07 11:41, "Keir Fraser" <keir@xensource.com> wrote:

> Attached is my own proposed patch which I think cleans up all the issues.
> Checking just flags in asm and keeping the null-bounce check in
> init_int80_direct_trap() seems fine to me.

The change of a movw $0 to a movb $TBF_EXCEPTION in that patch is wrong, by
the way. Should be movb $0.

 -- Keir