Re: [Xen-devel] 32bit xen and "claim"

[Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>]

> From: Tim Deegan [mailto:tim@xxxxxxx]
> Subject: Re: [Xen-devel] 32bit xen and "claim"
> 
> At 13:34 -0700 on 01 Nov (1351776880), Dan Magenheimer wrote:
> > With the plan to obsolete the x86 32-bit hypervisor at 4.3,
> > when prototyping the "claim" hypercall/subop, can I assume
> > that the CONFIG_X86 code in the hypervisor and, specifically
> > any separation of the concepts of xen_heap from dom_heap,
> > can be ignored?
> >
> > Or will the ARM version of the hypervisor be requiring
> > a similar separation of xen_heap vs dom_heap?
> 
> Yes, 32-bit ARM has this separation.

Hmmm... looking at page_alloc.c... does ARM overload CONFIG_X86
to mean CONFIG-32-bitness then?  Seems dangerous given that
various random chunks of CONFIG_X86 may be disappearing.

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