Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1557833

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

From Dave Young <dyoung@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH 2/4] efi/x86: move efi bgrt init code to early init code
Date 2017-01-12 22:40 +0100
Message-ID <sYVgf-Ak-35@gated-at.bofh.it> (permalink)
References <sYKb7-2kU-3@gated-at.bofh.it> <sYKb7-2kU-7@gated-at.bofh.it> <sYQqd-69X-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


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

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH 2/4] efi/x86: move efi bgrt init code to early init code Dave Young <dyoung@redhat.com> - 2017-01-12 10:50 +0100
  Re: [PATCH 2/4] efi/x86: move efi bgrt init code to early init code Dave Young <dyoung@redhat.com> - 2017-01-12 11:00 +0100
  Re: [PATCH 2/4] efi/x86: move efi bgrt init code to early init code Nicolai Stange <nicstange@gmail.com> - 2017-01-12 13:00 +0100
    Re: [PATCH 2/4] efi/x86: move efi bgrt init code to early init code Dave Young <dyoung@redhat.com> - 2017-01-12 22:40 +0100
      Re: [PATCH 2/4] efi/x86: move efi bgrt init code to early init code Nicolai Stange <nicstange@gmail.com> - 2017-01-13 00:20 +0100
        Re: [PATCH 2/4] efi/x86: move efi bgrt init code to early init code Dave Young <dyoung@redhat.com> - 2017-01-13 03:30 +0100
          Re: [PATCH 2/4] efi/x86: move efi bgrt init code to early init code Dave Young <dyoung@redhat.com> - 2017-01-13 04:10 +0100
            Re: [PATCH 2/4] efi/x86: move efi bgrt init code to early init code Nicolai Stange <nicstange@gmail.com> - 2017-01-13 13:30 +0100
              Re: [PATCH 2/4] efi/x86: move efi bgrt init code to early init code Dave Young <dyoung@redhat.com> - 2017-01-16 04:00 +0100
  Re: [PATCH 2/4] efi/x86: move efi bgrt init code to early init code Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-01-12 17:30 +0100
    Re: [PATCH 2/4] efi/x86: move efi bgrt init code to early init code Dave Young <dyoung@redhat.com> - 2017-01-12 22:40 +0100
      Re: [PATCH 2/4] efi/x86: move efi bgrt init code to early init code Bhupesh Sharma <bhsharma@redhat.com> - 2017-01-16 16:20 +0100

csiph-web