Re: [PATCH 1/6] KVM: In kernel pit model

[Avi Kivity <avi@qumranet.com>]

Yang, Sheng wrote:
> On Friday 07 March 2008 16:53:40 Avi Kivity wrote:
>   
>> Yang, Sheng wrote:
>>     
>>> Found more complex for KVM. Xen pulled pm timer down to kernel part, and
>>> used the guest TSC as source. So only adjust TSC is OK for it. But we are
>>> still using pm timer in QEmu, which using host time as source. So even we
>>> pull back TSC, the problem still exists, for 2.6.9 prefer to pm timer by
>>> default
>>>       
>> Interesting.  I guess we should pull the pm timer into the kernel as
>> well.  Timing is too tricky for userspace.
>>     
>
> ... Should we suggest using "clock=pit" on pae 2.6.9 at first?
>
>   

While it is hardly a lovely solution (things should work out of the box) 
it is reasonable as a temporary measure.


Can you repost your patchset?  If you're quick I can apply it today, 
otherwise it will have to wait until next week.

-- 
Any sufficiently difficult bug is indistinguishable from a feature.


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