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SubjectRe: [PATCH v3 3/5] PCI: Skip IORESOURCE_MMIO allocation for root bus without MMIO range
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On Tue, May 7, 2013 at 6:16 PM, Benjamin Herrenschmidt
<benh@kernel.crashing.org> wrote:
> On Tue, 2013-05-07 at 15:44 -0700, Yinghai Lu wrote:
>> x86 32 socket system, we may need to leave more mmiol for only several
>> sockets to make them work with cards that does not support mmio 64 bit
>> pref.
>
> Ok, while on POWER each root bridge has its own distinct 32-bit space
> (mapped elsewhere in CPU space). So at least we don't have *that*
> specific problem :-)

Hope x86 could support that.

Yinghai


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