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] [PATCH] x86: change IO-APIC ack method defaultforsingle

To: "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] x86: change IO-APIC ack method defaultforsingle IO-APIC systems
From: "Jan Beulich" <jbeulich@xxxxxxxxxx>
Date: Wed, 21 Jan 2009 16:44:45 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Wed, 21 Jan 2009 08:45:15 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <C59CFEA3.21AD8%keir.fraser@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/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <4977447E.76E4.0078.0@xxxxxxxxxx> <C59CFEA3.21AD8%keir.fraser@xxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>>> Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 21.01.09 17:32 >>>
>Well, it seems not great to avoid the new ack_type for some unknown bug. And
>noone else has run with your patch and zero other issues with the new

Many people have - all users of SLE10 (from GA over SP1 to SP2), SuSE
10.2, 10.3, 11.0, 11.1, and all betas and RCs so far available for SLE11.

>ack_type have been reported. So this seems to be papering over a rather rare
>and potentially nasty underlying issue. On the other hand, perhaps old
>ack_type is preferable (faster) if we can be sure we're on a system where it
>is safe. Hmmm.

Jan


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