Re: [PATCH] Map in physical addresses in efi_map_region_fixed

From: Alex Thorlton
Date: Wed Aug 10 2016 - 14:16:11 EST


On Fri, Aug 05, 2016 at 06:59:35PM -0500, Alex Thorlton wrote:
> This is a simple change to add in the physical mappings as well as the
> virtual mappings in efi_map_region_fixed. The motivation here is to
> get access to EFI runtime code that is only available via the 1:1
> mappings on a kexec'd kernel.
>
> The added call is essentially the kexec analog of the first __map_region
> that Boris put in efi_map_region in commit d2f7cbe7b26a ("x86/efi:
> Runtime services virtual mapping").

Just wanted to ping and see if anybody has had a chance to look at this?
Also, linux-kernel looks broken today (latest e-mails on lkml look to be
from last night?) so I wanted to send something to see if it goes
through :)

- Alex