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] Sixth (and final?) release candidate for Xen 3.4.3

To: "'Keir Fraser'" <keir.fraser@xxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Sixth (and final?) release candidate for Xen 3.4.3
From: "Langsdorf, Mark" <mark.langsdorf@xxxxxxx>
Date: Wed, 12 May 2010 14:42:42 -0500
Accept-language: en-US
Acceptlanguage: en-US
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Wed, 12 May 2010 12:43:46 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <C810BE40.14148%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: <C872CBF75AC4BE4093DF425DEA49BA08061FFF370A@xxxxxxxxxxxxxxxxxxx> <C810BE40.14148%keir.fraser@xxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcruOrU7qYaY6kH3SYuVeIjPZNkzsAASobj0AN1UxjAAA293sQAAuEww
Thread-topic: [Xen-devel] Sixth (and final?) release candidate for Xen 3.4.3
> > Sometimes, on the new 6-core processors, the powernow.c
> > driver call:
> > 
> >     on_selected_cpus(&cmd.mask, transition_pstate, &cmd, 0);
> 
> Since you specify '0' for the final 'wait' parameter of 
> on_selected_cpus(),
> the call can return before transition_pstate() has finished 
> executing on all
> the requested CPUs.

Thanks!

I copied that code from the Intel cpufreq driver, and I
doubt that's what they intended either.

--Mark Langsdorf
Operating System Research Center
AMD

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