On Tue, 22 Sep 2009 12:25:33 +0300 Avi Kivity <[email protected]> wrote:
> On 09/19/2009 09:40 AM, Avi Kivity wrote: > > Add a general per-cpu notifier that is called whenever the kernel is > > about to return to userspace. The notifier uses a thread_info flag > > and existing checks, so there is no impact on user return or context > > switch fast paths. > > > > Ingo/Peter? isn't this like really expensive when used ? -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
