From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mukesh Rathor <mukesh.rathor@oracle.com>
Subject: Re: [HYBRID]: XEN_EMULATE_PREFIX in user process
Date: Fri, 29 Jun 2012 14:18:12 -0700
Message-ID: <20120629141812.6ca72375@mantra.us.oracle.com>
References: <20120628180007.06bb3fd3@mantra.us.oracle.com>
	<4FED7BD7020000780008CBFB@nat28.tlf.novell.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xen.org>
In-Reply-To: <4FED7BD7020000780008CBFB@nat28.tlf.novell.com>
List-Unsubscribe: <http://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: <http://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Sender: xen-devel-bounces@lists.xen.org
Errors-To: xen-devel-bounces@lists.xen.org
To: Jan Beulich <JBeulich@suse.com>
Cc: "Xen-devel@lists.xensource.com" <Xen-devel@lists.xensource.com>, IanCampbell <Ian.Campbell@citrix.com>, "stefano.stabellini@eu.citrix.com" <stefano.stabellini@eu.citrix.com>
List-Id: xen-devel@lists.xenproject.org

On Fri, 29 Jun 2012 08:56:39 +0100
"Jan Beulich" <JBeulich@suse.com> wrote:

> >>> On 29.06.12 at 03:00, Mukesh Rathor <mukesh.rathor@oracle.com>
> >>> wrote:
> > BTW, for cpuid vmexit, if kernel mode I call pv_cpuid, if user
> > mode, I just return cpuid values, as that's what would happen
> > without the HVM container.
> 
> Which means you're not leveraging one of the things you could
> gain from hybrid (after all, returning the native value to user
> mode is one of the weaknesses of PV).
> 
> Jan
> 

Easy, fixed. So, now, for both kernel/user I return pv_cpuid.