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efi/capsule-loader: Redirect calls to efi_capsule_setup_info() via weak alias

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To allow platform specific code to hook into the capsule loading
routines, indirect calls to efi_capsule_setup_info() via a weak alias
of __efi_capsule_setup_info(), allowing platforms to redefine the former
but still use the latter.

Tested-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/20170602135207.21708-9-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ard Biesheuvel
2017-06-02 13:52:02 +00:00
committed by Ingo Molnar
parent 171fd02229
commit 3fabd628d5
2 changed files with 39 additions and 29 deletions
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12
include/linux/efi.h
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@@ -137,6 +137,18 @@ struct efi_boot_memmap {
#define EFI_CAPSULE_POPULATE_SYSTEM_TABLE 0x00020000
#define EFI_CAPSULE_INITIATE_RESET 0x00040000
struct capsule_info {
efi_capsule_header_t header;
int reset_type;
long index;
size_t count;
size_t total_size;
struct page **pages;
size_t page_bytes_remain;
};
int __efi_capsule_setup_info(struct capsule_info *cap_info);
/*
* Allocation types for calls to boottime->allocate_pages.
*/