On 10/02/2012 02:32 PM, T Makphaibulchoke wrote: > Changing devmem_is_allowed so that on an EFI machine, access to physical > address below 1 MB is allowed only to physical pages that are valid in > the EFI memory map. This prevents the possibility of an MCE due to > accessing an invalid physical address.
What? That sounds like exactly the opposite of normal /dev/mem behavior... we allow access to non-memory resources (which really could do anything if misused), but not memory. You seem like you're flipping it on its head. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/