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Re: [PATCH 01/13] x86/efi: Clean up efi CR3 save/restore

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On 5 June 2017 at 15:40, Ingo Molnar <mingo@kernel.org> wrote:
>
> * Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote:
>
>> From: Andy Lutomirski <luto@kernel.org>
>>
>> efi_call_phys_prolog() used to return a "pgd_t *" that meant one of
>> three different things depending on kernel and system configuration.
>> Clean it up so it uses a union and is more explicit about what's
>> going on.
>>
>> Signed-off-by: Andy Lutomirski <luto@kernel.org>
>> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>> Cc: Borislav Petkov <bp@alien8.de>
>> Cc: Andy Lutomirski <luto@amacapital.net>
>> Cc: Ingo Molnar <mingo@kernel.org>
>> Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
>> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>> ---
>>  arch/x86/include/asm/efi.h     | 17 +++++++++++++++--
>>  arch/x86/platform/efi/efi.c    |  6 +++---
>>  arch/x86/platform/efi/efi_32.c | 12 ++++++------
>>  arch/x86/platform/efi/efi_64.c | 22 ++++++++++++----------
>>  4 files changed, 36 insertions(+), 21 deletions(-)
>
> Hm, this patch does not apply cleanly to v4.12-rc4:
>
>  Applying patch patches/x86efi_Clean_up_efi_CR3_saverestore-1.patch
>  patching file arch/x86/include/asm/efi.h
>  patching file arch/x86/platform/efi/efi.c
>  patching file arch/x86/platform/efi/efi_32.c
>  patching file arch/x86/platform/efi/efi_64.c
>  Hunk #1 FAILED at 69.
>  Hunk #2 FAILED at 86.
>  Hunk #3 succeeded at 152 with fuzz 1 (offset 44 lines).
>  Hunk #4 FAILED at 116.
>  3 out of 4 hunks FAILED -- rejects in file arch/x86/platform/efi/efi_64.c
>
> what tree is this against?
>

This is against v4.12-rc3, which lacked the EFI fix Matt sent out in
the mean time.

Feel free to drop it for now, and we can requeue it later if Andy is
willing to rebase it.

Thanks,
Ard.

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[GIT PULL 00/13] First batch of EFI updates for v4.13 Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-02 16:00 +0200
  [PATCH 07/13] efi/capsule: Remove NULL test on kmap() Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-02 16:00 +0200
    [tip:efi/core] efi/capsule: Remove NULL test on kmap() tip-bot for Fabian Frederick <tipbot@zytor.com> - 2017-06-05 19:20 +0200
  [PATCH 13/13] efi: arm: enable DMI/SMBIOS Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-02 16:00 +0200
    [tip:efi/core] efi/arm: Enable DMI/SMBIOS tip-bot for Ard Biesheuvel <tipbot@zytor.com> - 2017-06-05 19:30 +0200
  [PATCH 03/13] efi/capsule: Remove pr_debug on ENOMEM or EFAULT Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-02 16:00 +0200
    [tip:efi/core] efi/capsule: Remove pr_debug() on ENOMEM or EFAULT tip-bot for Jan Kiszka <tipbot@zytor.com> - 2017-06-05 19:20 +0200
  [PATCH 02/13] efi/capsule: Fix return code on failing kmap/vmap Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-02 16:00 +0200
    [tip:efi/core] efi/capsule: Fix return code on failing kmap/vmap tip-bot for Jan Kiszka <tipbot@zytor.com> - 2017-06-05 19:20 +0200
  [PATCH 10/13] efi/capsule: Add support for Quark security header Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-02 16:00 +0200
    Re: [PATCH 10/13] efi/capsule: Add support for Quark security header Ingo Molnar <mingo@kernel.org> - 2017-06-05 18:00 +0200
      Re: [PATCH 10/13] efi/capsule: Add support for Quark security header Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-05 18:10 +0200
        Re: [PATCH 10/13] efi/capsule: Add support for Quark security header Ingo Molnar <mingo@kernel.org> - 2017-06-05 18:20 +0200
    [tip:efi/core] efi/capsule: Add support for Quark security header tip-bot for Jan Kiszka <tipbot@zytor.com> - 2017-06-05 19:30 +0200
  [PATCH 01/13] x86/efi: Clean up efi CR3 save/restore Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-02 16:00 +0200
    Re: [PATCH 01/13] x86/efi: Clean up efi CR3 save/restore Ingo Molnar <mingo@kernel.org> - 2017-06-05 17:50 +0200
      Re: [PATCH 01/13] x86/efi: Clean up efi CR3 save/restore Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-05 18:10 +0200
        Re: [PATCH 01/13] x86/efi: Clean up efi CR3 save/restore Andy Lutomirski <luto@kernel.org> - 2017-06-05 18:20 +0200
  [PATCH 04/13] efi/capsule: Clean up pr_err/info messages Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-02 16:00 +0200
    [tip:efi/core] efi/capsule: Clean up pr_err/_info() messages tip-bot for Jan Kiszka <tipbot@zytor.com> - 2017-06-05 19:20 +0200
  [PATCH 12/13] x86/efi: Add EFI_PGT_DUMP support for x86_32 and kexec Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-02 16:00 +0200
    [tip:efi/core] x86/efi: Extend CONFIG_EFI_PGT_DUMP support to  x86_32 and kexec as well tip-bot for Sai Praneeth <tipbot@zytor.com> - 2017-06-05 19:30 +0200
  [PATCH 05/13] efi/capsule: Adjust return type of efi_capsule_setup_info Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-02 16:00 +0200
    [tip:efi/core] efi/capsule: Adjust return type of  efi_capsule_setup_info() tip-bot for Jan Kiszka <tipbot@zytor.com> - 2017-06-05 19:20 +0200
  [PATCH 09/13] efi/capsule-loader: Use page addresses rather than struct page pointers Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-02 16:00 +0200
    [tip:efi/core] efi/capsule-loader: Use page addresses rather than  struct page pointers tip-bot for Ard Biesheuvel <tipbot@zytor.com> - 2017-06-05 19:30 +0200
  Re: [GIT PULL 00/13] First batch of EFI updates for v4.13 Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-05 10:20 +0200
    Re: [GIT PULL 00/13] First batch of EFI updates for v4.13 Ingo Molnar <mingo@kernel.org> - 2017-06-05 11:10 +0200
      Re: [GIT PULL 00/13] First batch of EFI updates for v4.13 Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2017-06-05 11:40 +0200
        Re: [GIT PULL 00/13] First batch of EFI updates for v4.13 Ingo Molnar <mingo@kernel.org> - 2017-06-05 18:00 +0200

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