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-devel

Re: [Xen-devel] RFC: [0/2] Remove netloop by lazy copying in netback

To: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] RFC: [0/2] Remove netloop by lazy copying in netback
From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Tue, 27 Mar 2007 15:45:28 +1000
Cc: Xen Development Mailing List <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Mon, 26 Mar 2007 23:31:30 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <20070327034125.GE32121%yamahata@xxxxxxxxxxxxx>
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>
References: <20070325114128.GA5950@xxxxxxxxxxxxxxxxxxx> <C22C2928.C331%Keir.Fraser@xxxxxxxxxxxx> <20070326021947.GA10672@xxxxxxxxxxxxxxxxxxx> <20070327034125.GE32121%yamahata@xxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.9i
On Tue, Mar 27, 2007 at 12:41:25PM +0900, Isaku Yamahata wrote:
> 
> Swaping the p2m entry on ia64 is easy.

Great!

> However the following tlb flush cost for the newly allocated page
> is extremly high on ia64.

It doesn't matter here because this is the slow path which we should
never enter unless something is misbehaving or deliberately slow.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel