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[Xen-devel] Re: [PATCH 1/2] xen/mmu: Add workaround "x86-64, mm: Put early page table high"
On Thu, May 05, 2011 at 03:06:18PM +0100, Stefano Stabellini wrote:
> On Thu, 5 May 2011, Konrad Rzeszutek Wilk wrote:
> > > In any case you are right about the fact that the change is not needed
> > > on X86_32 so if it has any bad side effects on X86_32 we can always do
> >
> > Why not? Can't you boot a 32-bit Dom0 on those machines?
>
> Because e820_end_of_low_ram_pfn() is not called on 32-bit,
> find_low_pfn_range() is called instead and works differently.
> AFAICT find_low_pfn_range() is not affected by the issue described in
> the previous email.
Yes, you are right. Additionally, I tested your patch with my amendments ealier
and it works on i386. I am going to prepare relevant patch today or tomorrow.
Daniel
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