Re: [PATCH] x86: Reserve legacy VGA MMIO area for x86_64 as wellas x86_32

[H. Peter Anvin]

On 04/09/2010 03:35 PM, Andy Isaacson wrote:
> [    2.267740] pci 0000:00:1f.2: BAR 5: assigned [mem 0x000a0000-0x000a07ff]
> [    2.274701] pci 0000:00:1f.2: BAR 5: set to [mem 0x000a0000-0x000a07ff] (PCI address [0xa0000-0xa07ff]

Looks like this is something the kernel is assigning to it.  It *does*
get marked reserved:

> [    0.000000]   #6 [000009ec00 - 00000f0000]   BIOS reserved

... but that doesn't seem to keep the PCI code from assigning anything
there.  This is a Very Bad thing in general... if we're assigning
devices to areas marked reserved, we have a huge problem.

	-hpa
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