On Tue, 18 Nov, at 01:57:02PM, Ard Biesheuvel wrote: > Improve the handling of /dev/mem mappings under CONFIG_STRICT_DEVMEM by: > - allowing read-only access to parts of System RAM that are not > considered memory by the kernel, this is mainly intended for exposing > UEFI Configuration tables to userland; > - avoid using non-cached mappings for those parts of System RAM, as it > may result in mismatched attributes. Is this really the best way to expose EFI config tables? We already have parts in /sys/firmware/efi/ and in particular we expose the runtime mappings there for kexec on x86. Hooking this into the /dev/mem infrastructure just seems wrong to me. -- Matt Fleming, Intel Open Source Technology Center -- 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
