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SubjectRe: [GIT PULL 00/25] EFI updates for v5.6

* Ard Biesheuvel <ardb@kernel.org> wrote:

> Ingo, Thomas,
>
> Please consider the pull request below. I am anticipating some more
> changes for this cycle, but it would be good to get these queued up and
> into -next sooner rather than later, since there is some risk of
> breakage even though the changes have been tested on a variety of
> hardware.
>
> If you have the stomach to go over them in detail: please take into
> account that these patches modify the same efi_call_xxx() macro
> definitions multiple times, in order to be bisectable, so please
> consider the end result first before commenting on coding style of the
> intermediate changes.
>
> NOTE: this series depends on the efi-urgent PR that I just sent out, so
> please merge tip/efi/urgent into tip/efi/core before applying the
> changes below.
>
> Thanks and happy Christmas,
> Ard.
>
>
>
> The following changes since commit 77217fcc8e04f27127b32825376ed508705fd946:
>
> x86/efistub: disable paging at mixed mode entry (2019-12-23 16:25:21 +0100)
>
> are available in the Git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git tags/efi-next
>
> for you to fetch changes up to c51a0735389b92cb0025137af0034773773ad7da:
>
> efi/libstub/x86: avoid globals to store context during mixed mode calls (2019-12-24 15:32:22 +0100)
>
> ----------------------------------------------------------------
> EFI changes for v5.6:
> - Cleanup of the GOP [graphics output] handling code in the EFI stub (Arvind)
> - Inspired by the above, and with a little bit of Arvind's help, a complete
> refactor of the mixed mode handling in the x86 EFI stub, getting rid of a
> lot of ugly and unnecessary wrapping and typecasting. This is a worthwhile
> cleanup by itself, but it also addresses a recurring issue where stub code
> often fails to compile on non-x86 because all the casting and thunking via
> variadic wrapper routines is masking problems in the code.
>
> ----------------------------------------------------------------
> Ard Biesheuvel (21):
> efi/libstub: remove unused __efi_call_early() macro
> efi/x86: rename efi_is_native() to efi_is_mixed()
> efi/libstub: use a helper to iterate over a EFI handle array
> efi/libstub: extend native protocol definitions with mixed_mode aliases
> efi/libstub: distinguish between native/mixed not 32/64 bit
> efi/libstub: drop explicit 32/64-bit protocol definitions
> efi/libstub: use stricter typing for firmware function pointers
> efi/libstub: annotate firmware routines as __efiapi
> efi/libstub/x86: avoid thunking for native firmware calls
> efi/libstub: avoid protocol wrapper for file I/O routines
> efi/libstub: get rid of 'sys_table_arg' macro parameter
> efi/libstub: unify the efi_char16_printk implementations
> efi/libstub/x86: drop __efi_early() export and efi_config struct
> efi/libstub: drop sys_table_arg from printk routines
> efi/libstub: remove 'sys_table_arg' from all function prototypes
> efi/libstub/x86: work around page freeing issue in mixed mode
> efi/libstub: drop protocol argument from efi_call_proto() macro
> efi/libstub: drop 'table' argument from efi_table_attr() macro
> efi/libstub: rename efi_call_early/_runtime macros to be more intuitive
> efi/libstub: tidy up types and names of global cmdline variables
> efi/libstub/x86: avoid globals to store context during mixed mode calls
>
> Arvind Sankar (4):
> efi/gop: Remove bogus packed attribute from GOP structures
> efi/gop: Remove unused typedef
> efi/gop: Convert GOP structures to typedef and cleanup some types
> efi/gop: Unify 32/64-bit functions
>
> arch/arm/include/asm/efi.h | 17 +-
> arch/arm64/include/asm/efi.h | 16 +-
> arch/x86/Kconfig | 11 +-
> arch/x86/boot/compressed/Makefile | 2 +-
> arch/x86/boot/compressed/eboot.c | 290 +++++-----
> arch/x86/boot/compressed/eboot.h | 30 +-
> arch/x86/boot/compressed/efi_stub_32.S | 87 ---
> arch/x86/boot/compressed/efi_stub_64.S | 5 -
> arch/x86/boot/compressed/efi_thunk_64.S | 17 +-
> arch/x86/boot/compressed/head_32.S | 64 +--
> arch/x86/boot/compressed/head_64.S | 97 +---
> arch/x86/include/asm/efi.h | 77 ++-
> arch/x86/platform/efi/efi.c | 12 +-
> arch/x86/platform/efi/efi_64.c | 6 +-
> arch/x86/platform/efi/quirks.c | 2 +-
> arch/x86/xen/efi.c | 2 +-
> drivers/firmware/efi/libstub/arm-stub.c | 110 ++--
> drivers/firmware/efi/libstub/arm32-stub.c | 70 ++-
> drivers/firmware/efi/libstub/arm64-stub.c | 32 +-
> drivers/firmware/efi/libstub/efi-stub-helper.c | 278 +++++-----
> drivers/firmware/efi/libstub/efistub.h | 48 +-
> drivers/firmware/efi/libstub/fdt.c | 53 +-
> drivers/firmware/efi/libstub/gop.c | 163 +-----
> drivers/firmware/efi/libstub/random.c | 77 ++-
> drivers/firmware/efi/libstub/secureboot.c | 11 +-
> drivers/firmware/efi/libstub/tpm.c | 48 +-
> include/linux/efi.h | 730 +++++++++++--------------
> 27 files changed, 914 insertions(+), 1441 deletions(-)
> delete mode 100644 arch/x86/boot/compressed/efi_stub_32.S
> delete mode 100644 arch/x86/boot/compressed/efi_stub_64.S

Applied to tip:efi/core, and merry Christmas to you too!

Ingo

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