RE: switching from KVM guest to the host .... TLBs not present?

Jes Sorensen wrote:
> Zhang, Xiantao wrote:
>> Yeah, that is very strange! I will check it tomorrow, and have to
>> sleep now :-) Xiantao
> 
> Hi Xiantao,
> 
> I think I got it!
> 
> We were calling local_irqs_disable() before calling down_read(), but
> down_read() can sleep and so may return with local interrupts
> re-enabled.....
> 
> I have reordered things so now we should be safe.
> 
> How does this patch look to you?

Good catch! That should be root-cause. The patch seems good! Thanks!
Acked-by: Xiantao Zhang <[email protected]>

Avi, 
   Please queue it as the fix of 2.6.30. Thanks!
Xiantao