linux-kernel - Re: [Xen-devel] [PATCH V2 3/7]: PVH: mmu related changes.

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Message-ID: <20121012153641.2b915219@mantra.us.oracle.com>
Date:	Fri, 12 Oct 2012 15:36:41 -0700
From:	Mukesh Rathor <mukesh.rathor@...cle.com>
To:	Ian Campbell <Ian.Campbell@...rix.com>
Cc:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	"Xen-devel@...ts.xensource.com" <Xen-devel@...ts.xensource.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] [PATCH V2 3/7]: PVH:  mmu related changes.

On Fri, 12 Oct 2012 09:57:56 +0100
Ian Campbell <Ian.Campbell@...rix.com> wrote:

> On Thu, 2012-10-11 at 22:58 +0100, Mukesh Rathor wrote:
> > @@ -2177,8 +2210,19 @@ static const struct pv_mmu_ops xen_mmu_ops
> > __initconst = {
> > 
> >  void __init xen_init_mmu_ops(void)
> >  {
> > -       x86_init.mapping.pagetable_reserve =
> > xen_mapping_pagetable_reserve; x86_init.paging.pagetable_init =
> > xen_pagetable_init; +
> > +       if (xen_feature(XENFEAT_auto_translated_physmap)) {
> > +               pv_mmu_ops.flush_tlb_others = xen_flush_tlb_others;
> > +
> > +               /* For PCI devices to map iomem. */
> > +               if (xen_initial_domain()) {
> > +                       pv_mmu_ops.set_pte = native_set_pte;
> > +                       pv_mmu_ops.set_pte_at = native_set_pte_at;
> 
> What do these end up being for the !xen_initial_domain case? I'd have
> expected native_FOO.

Yeah, right, we kept on changing the functions that they were set
to, until it came down to just native_*. I just didn't think it didnt
being set. Too much too fast... ok, time to slow down... :) :)..

thanks
Mukesh

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