Re: [Xen-devel] [V1 PATCH 2/3] pvh: fix pirq path for pvh

[Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>]

On Tue, 25 Feb 2014 09:28:24 +0000
"Jan Beulich" <JBeulich@xxxxxxxx> wrote:

> >>> On 25.02.14 at 02:03, Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
> >>> wrote:
> > Just like hvm, pirq eoi shared page is not there for pvh. pvh should
> > not touch any pv_domain fields.
> 
> While the latter is true, wasn't it that IRQ handling wise PVH is
> using PV mechanisms? In which case the EOI map page would be of
> interest, and rather than guarding the accesses you ought to move
> the field out of pv_domain.

It would be, but my proposals to move the fields out in earlier patches
had been turned down by you. So, while I work on another solution, this
would help. It's on my list to work on. As soon as dom0 pvh patches
are in, I intend to work on fixmes. I don't understand very well whats
going on with pirq eoi, so need to study it both in xen and linux, 
and focussing on one thing at a time really helps mortals like me :) ... 

thanks,
Mukesh

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