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 | mjg59@xxxxxxxxxxxxx -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>