Re: [PATCH 12/12] EFI: Runtime services virtual mapping

Borislav Petkov
2013-10-23T13:11:13Z

On Wed, Oct 23, 2013 at 08:51:31PM +0800, Dave Young wrote:
> In kexed 2nd kernel, phys_start_b need to be mapped to virt_start_b
> Simply use efi_map_region from your patch does not work because it
> will map phys_start_b to a different virt address, isn't it?

Oh ok, in the second kernel we're not mapping *all* regions we do map in
the first kernel, right.

> So I need simply map according to the kexec passed in mapping addr.

Yes, thanks for elaborating.