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Subject[GIT PULL 00/25] EFI updates for v5.6
Date
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

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