Re: [PATCH] x86, pci-hotplug, calgary / rio: fix EBDA ioremap()

[Arjan van de Ven]

> > 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)

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/