Messages in this thread | | | Date | Tue, 7 May 2013 20:57:44 -0700 | Subject | Re: [PATCH v3 3/5] PCI: Skip IORESOURCE_MMIO allocation for root bus without MMIO range | From | Yinghai Lu <> |
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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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