Re: [RFC PATCH 0/3] generic hypercall support

Avi Kivity
2009-05-07T18:13:20Z

Gregory Haskins wrote:
>> What do you think of my mmio hypercall? That will speed up all mmio
>> to be as fast as a hypercall, and then we can use ordinary mmio/pio
>> writes to trigger things.
>>
>>
> I like it!
>
> Bigger question is what kind of work goes into making mmio a pv_op (or
> is this already done)?
>
>

Looks like it isn't there. But it isn't any different than set_pte -
convert a write into a hypercall.

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.