lkml.org 
[lkml]   [2007]   [Feb]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch 14/21] Xen-paravirt: Add XEN config options and disable unsupported config options.
Dan Hecht wrote:
> On 02/15/2007 11:04 PM, Jeremy Fitzhardinge wrote:
>> HZ - I'm assuming dynticks will appear in the short term, and this will
>> become moot
>
> Doesn't Xen send any non-blocked domain a 100hz alarm implicitly,
> without anyway for the guest to disable it? I guess you'll have to
> break kernel/hypervisor compatibility if you want dynticks?

The timer VIRQ will generate events at a fixed 100Hz (which can be
masked, like any other event), but you can also ask for a timer event at
a particular time. We do this already for tickless idle.

J
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-02-16 09:09    [W:0.069 / U:1.224 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site