Re: [Xen-devel] [PATCH] Linux: 6 arguments hypercall v3 / V4V

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Sun, Jul 03, 2011 at 12:16:01PM +0100, Ian Campbell wrote:
> On Mon, 2011-06-27 at 21:19 +0100, James wrote:
> > On Fri, Jun 24, 2011 at 03:43:18PM -0700, Jeremy Fitzhardinge wrote:
> > > Does it have to?  Couldn't it take a pointer to a struct or something?
> > 
> > Yes we could change the API, make sure the struct is visible on all
> > CPUs,
> 
> FWIW the struct only needs to be visible on the CPU actually making the
> hypercall. Many (most?) Xen hypercalls take a pointer to an argument
> structure in this way.
> 

.. what was the end result of this? 

I'm wondering if V4V will be upstreamed, or if the new libvchan can replace V4V?
I assume XenClient is still using V4V ..

-- Pasi


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