WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 		  
Home Products Support Community News
 
   
 

xen-ia64-devel

[Top] [All Lists]
<prev [Date] next>
[Advanced]
 <prev [Thread] next>

Re: [Xen-devel][RFC]degradation on IPF due to hypercall set irq

from [Keir Fraser] [Permanent Link][Original]
To: "Xu, Anthony" <anthony.xu@xxxxxxxxx>, Keir Fraser <keir@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel][RFC]degradation on IPF due to hypercall set irq
From: Keir Fraser <keir@xxxxxxxxxxxxx>
Date: Fri, 24 Nov 2006 15:28:47 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Fri, 24 Nov 2006 07:29:00 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <51CFAB8CB6883745AE7B93B3E084EBE207DD5A@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AccN5wYmUmir46SdT8a+ptVHeNZ8fgAHbs2mAACOJaAAASp7iwAAG0VmAAB2zNAAAmxzrgAAEGDgAAAZWmIAAC5KoAAAk0fTAAD34HAAAGv3kgBSjAIgAAqAtLAABhntKgAJf9CgAAJx6G0=
Thread-topic: [Xen-devel][RFC]degradation on IPF due to hypercall set irq
User-agent: Microsoft-Entourage/11.2.5.060620 
On 24/11/06 14:45, "Xu, Anthony" <anthony.xu@xxxxxxxxx> wrote:

> Until now, I can't see hypercall is faster than share PIC line.
> 
> Can you enlighten me why we use hypercall?

I didn't change it for speed but because it's cleaner. I believe it can be
made no slower, with a bit of effort. x86 certainly won't be reverting to
the shared state.

 -- Keir


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
[More with this subject...]
<Prev in Thread] Current Thread [Next in Thread>
Previous by Date:  RE: [Xen-devel][RFC]degradation on IPF due to hypercall set irq, Xu, Anthony
Next by Date:  [Xen-ia64-devel] [patch 0/4] macvec + sn2 support, Jes Sorensen
Previous by Thread:  RE: [Xen-devel][RFC]degradation on IPF due to hypercall set irq, Xu, Anthony
Next by Thread:  RE: [Xen-devel][RFC]degradation on IPF due to hypercall set irq, Xu, Anthony
Indexes:  [Date] [Thread] [Top] [All Lists]
 
   

Copyright , Citrix Systems Inc. All rights reserved. Legal and Privacy