Re: RFC: x86: cap iomem_resource to addressable physical memory

[Jesse Barnes]

On Tue, 09 Jun 2009 18:32:53 -0700
"H. Peter Anvin" <hpa@xxxxxxxxxxxxxxx> wrote:

> x86 cannot generate full 64-bit addresses; this patch clamps iomem
> addresses to the accessible range.
> 
> I wanted to post it for review before committing it, however; comments
> would be appreciated, especially of the kind "this is done too
> early/too late/in the wrong place/incorrectly".
> 
> 	-hpa

Seems reasonable, since the iomem_resource describes the CPU's view of
MMIO space it should probably reflect what it can actually access.

Reviewed-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>

-- 
Jesse Barnes, Intel Open Source Technology Center
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