Re: [PATCH -v2 0/4] EFI 1:1 mapping

From: Borislav Petkov
Date: Fri Jun 21 2013 - 10:21:17 EST

On Fri, Jun 21, 2013 at 03:05:30AM -0700, H. Peter Anvin wrote:
> If you cap it you are basically imposing a constraint on the firmware
> and may not run properly (or at least have to turn off EFI runtime
> calls with all that implies.)

I don't want to cap EFI just for the fun of it but rather set a limit
so that the next one who wants a chunk of the virtual address space can
have a reliable limit from where she/he can start. Otherwise we won't
know where EFI reliably ends...

> It might be good to have a sanity check but it needs to be pretty
> generous.

64 Gb generous enough?


Sent from a fat crate under my desk. Formatting is fine.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at