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SubjectRe: [PATCH] x86, pci-hotplug, calgary / rio: fix EBDA ioremap()
>>
>> mapping the EBDA is rather ... un-nice from that driver, so i guess
>> you check does the right thing in flagging possible crap.
>
> it does:
>
> addr: 0x9f800
> end: 0xaf5e7
> p->start: 0x9f800
> p->end: 0x9ffff
>
> resources are laid out like this:
>
> 0009f800-0009ffff : reserved
> 000a0000-000bffff : Video RAM area
>
> so the driver over-maps into the Video RAM...

... and makes that uncachable (while it probably was WC before)



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