Re: [RFC] Paravirt timer for KVM

[Hollis Blanchard <hollisb-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>]

On Fri, 2007-10-12 at 13:08 -0300, Glauber de Oliveira Costa wrote:
> +config KVM_CLOCK
> +       bool "KVM paravirtualized clock"
> +       depends on PARAVIRT && GENERIC_CLOCKEVENTS
> +       help
> +         Turning on this option will allow you to run a paravirtualized clock
> +         when running over the KVM hypervisor. Instead of relying on a PIT
> +         (or probably other) emulation by the underlying device model, the host
> +         provides the guest with timing infrastructure, as time of day, and
> +         timer expiration.

I must have missed earlier discussion on this topic, so I'm left
wondering... what's the point? What's wrong with PIT (et al) emulation?

-- 
Hollis Blanchard
IBM Linux Technology Center


-------------------------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc.
Still grepping through log files to find problems?  Stop.
Now Search log events and configuration files using AJAX and a browser.
Download your FREE copy of Splunk now >> http://get.splunk.com/