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Groups > linux.kernel > #1463412

Re: [PATCH] Map in physical addresses in efi_map_region_fixed

From Borislav Petkov <bp@alien8.de>
Newsgroups linux.kernel
Subject Re: [PATCH] Map in physical addresses in efi_map_region_fixed
Date 2016-08-16 07:40 +0200
Message-ID <s6Fgt-7ro-1@gated-at.bofh.it> (permalink)
References <s3gRp-2h2-9@gated-at.bofh.it> <s6pv3-5Eh-11@gated-at.bofh.it> <s6rGy-7aD-33@gated-at.bofh.it> <s6v7r-II-5@gated-at.bofh.it> <s6y5j-2Jd-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, Aug 15, 2016 at 02:52:22PM -0700, H. Peter Anvin wrote:
> So to answer the implicit question: we have found UEFI stacks in the
> field which fail without the physical mappings present, and we have
> found stacks which fail without a nontrivial SetAddressMapping.

You mean SetVirtualAddressMap.

Oh well, it's not like it matters all that much as we have our own
pagetable for EFI so we can go nuts there. Apparently.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--

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Thread

Re: [PATCH] Map in physical addresses in efi_map_region_fixed Matt Fleming <matt@codeblueprint.co.uk> - 2016-08-15 14:50 +0200
  Re: [PATCH] Map in physical addresses in efi_map_region_fixed Borislav Petkov <bp@alien8.de> - 2016-08-15 17:10 +0200
    Re: [PATCH] Map in physical addresses in efi_map_region_fixed Alex Thorlton <athorlton@sgi.com> - 2016-08-15 20:50 +0200
      Re: [PATCH] Map in physical addresses in efi_map_region_fixed "H. Peter Anvin" <hpa@zytor.com> - 2016-08-16 00:00 +0200
        Re: [PATCH] Map in physical addresses in efi_map_region_fixed Borislav Petkov <bp@alien8.de> - 2016-08-16 07:40 +0200
      Re: [PATCH] Map in physical addresses in efi_map_region_fixed Borislav Petkov <bp@alien8.de> - 2016-08-16 08:00 +0200
        Re: [PATCH] Map in physical addresses in efi_map_region_fixed Alex Thorlton <athorlton@sgi.com> - 2016-08-16 17:30 +0200
      Re: [PATCH] Map in physical addresses in efi_map_region_fixed Dave Young <dyoung@redhat.com> - 2016-08-17 09:10 +0200
        Re: [PATCH] Map in physical addresses in efi_map_region_fixed Alex Thorlton <athorlton@sgi.com> - 2016-08-17 18:10 +0200
          Re: [PATCH] Map in physical addresses in efi_map_region_fixed Dave Young <dyoung@redhat.com> - 2016-08-18 08:20 +0200
    Re: [PATCH] Map in physical addresses in efi_map_region_fixed Matt Fleming <matt@codeblueprint.co.uk> - 2016-08-16 14:40 +0200
      Re: [PATCH] Map in physical addresses in efi_map_region_fixed Borislav Petkov <bp@alien8.de> - 2016-08-16 15:40 +0200

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