Re: [PATCH 2/4] efi/x86: move efi bgrt init code to early init code

Dave Young
2017-01-12T21:34:04Z

On 01/12/17 at 04:20pm, Ard Biesheuvel wrote:
> On 12 January 2017 at 09:41, Dave Young <dyoung@redhat.com> wrote:
> > Before invoking the arch specific handler, efi_mem_reserve() reserves
> > the given memory region through memblock.
> >
> > efi_bgrt_init will call efi_mem_reserve after mm_init(), at that time
> > memblock is dead and it should not be used any more.
> >
> > efi bgrt code depend on acpi intialization to get the bgrt acpi table,
> > moving bgrt parsing to acpi early boot code can make sure efi_mem_reserve
> > in efi bgrt code still use memblock safely.
> >
> > Signed-off-by: Dave Young <dyoung@redhat.com>
>
> I know this is probably out of scope for you, but since we're moving
> things around, any chance we could do so in a manner that will enable
> BGRT support for arm64/ACPI? Happy to test/collaborate on this.
>

I'm happy to do so, Bhupesh Sharma <bhsharma@redhat.com> said he had
some investigation on that already, I would like to ask him to help on that.

Already cced him..

Thanks
Dave