On Tue, Oct 02, 2012 at 11:13:17PM -0600, Thavatchai Makphaibulchoke wrote:

> Sounds like a better solution is to allow accesses to only I/O regions 
> presented in the EFI memory map for physical addresses below 1 MB.

That won't work - unfortunately we do still need the low region to be 
available for X because some platforms expect us to use int10 even on 
EFI (yes, yes, I know). Do you have a copy of the EFI memory map for a 
system that's broken with the current code?

-- 
Matthew Garrett | mj...@srcf.ucam.org
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