On Wed, Jun 19, 2013 at 12:25:42PM -0500, H. Peter Anvin wrote: > On 06/19/2013 08:02 AM, Borislav Petkov wrote: > > > > And yet there are the Macs which reportedly cannot stomach this. > > > No, the reports are that if you use the 1:1 map as the primary address > on Macs the drivers fail... not that you can't have a 1:1 map. That's what I meant: ... cannot stomach when the 1:1 map is shoved down SetVirtualAddressMap. The thing is, if we want to have both the 1:1 map and the high map during an EFI runtime call, we would need to *always* switch the pagetable for an EFI runtime call and establish both mappings in ->trampoline_pgd beforehand. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html