From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jan Beulich" <JBeulich@novell.com>
Subject: Re: [PATCH] FPU LWP 5/8: add a mask option to xsave()
	and xrstor()
Date: Thu, 05 May 2011 08:09:24 +0100
Message-ID: <4DC26944020000780003FC33@vpn.id2.novell.com>
References: <4DC062D3.9000906@amd.com>
	<4DC1162D020000780003F9BA@vpn.id2.novell.com>
	<4DC178CF.2070307@amd.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: quoted-printable
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <4DC178CF.2070307@amd.com>
Content-Disposition: inline
List-Unsubscribe: <http://lists.xensource.com/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/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: Wei Huang <wei.huang2@amd.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>, KeirFraser <keir@xen.org>
List-Id: xen-devel@lists.xenproject.org

>>> On 04.05.11 at 18:03, Wei Huang <wei.huang2@amd.com> wrote:
> Hi Jan,
>=20
> That is a good point. So far there isn't a way to decide which bits =
are=20
> guarded by CR0.TS. I will bring it up to our design team. I guess LWP=20
> will the only exception for a long while. Is the first approach=20
> sufficient/acceptable to you for now?
>=20
> #define XSTATE_LAZY (XSTATE_ALL & ~XSTATE_NONLAZY)

Yes.

Jan