On Sat, Apr 16, 2011 at 06:09:17PM +0200, Jan Kiszka wrote:
> On 2011-03-25 09:44, Joerg Roedel wrote:
> > + tsc_delta = !vcpu->arch.last_guest_tsc ? 0 :
> > + tsc - vcpu->arch.last_guest_tsc;
> This patch appears to cause troubles to Linux guests on TSC clocksource
> and APIC highres timer. The first boot after qemu start is always fine,
> but after a reboot the guest timer appears to fire incorrectly or even
> not at all.
>
> Was this patch tested with a guest reboot scenario as well? Does it
> account for the TSC being reset to 0 on reboot?
Hmm, probably the last_guest_tsc is not updated correctly in this
scenario. I will have a look tomorrow.
Joerg
--
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
