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

From: Avi Kivity
Date: Thu May 07 2009 - 14:13:22 EST


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.

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