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| author |   Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2016-11-12 21:32:33 +0000 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2016-11-13 08:23:15 +0100 |
| commit | 568bc4e87033d232c5fd00d5b0cd22a2ccc04944 (patch) | |
| tree | f2bb9e8fa9445523c9c33a1afc5a9601fcf1f4ec /drivers/firmware/efi/libstub/efistub.h | |
| parent | efi/libstub: Add random.c to ARM build (diff) | |
| download | linux-dev-568bc4e87033d232c5fd00d5b0cd22a2ccc04944.tar.xz linux-dev-568bc4e87033d232c5fd00d5b0cd22a2ccc04944.zip | |
efi/arm*/libstub: Invoke EFI_RNG_PROTOCOL to seed the UEFI RNG table
Invoke the EFI_RNG_PROTOCOL protocol in the context of the stub and
install the Linux-specific RNG seed UEFI config table. This will be
picked up by the EFI routines in the core kernel to seed the kernel
entropy pool.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/20161112213237.8804-6-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/firmware/efi/libstub/efistub.h')
| -rw-r--r-- | drivers/firmware/efi/libstub/efistub.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h index fe1f22584c69..b98824e3800a 100644 --- a/drivers/firmware/efi/libstub/efistub.h +++ b/drivers/firmware/efi/libstub/efistub.h @@ -71,4 +71,6 @@ efi_status_t efi_random_alloc(efi_system_table_t *sys_table_arg, efi_status_t check_platform_features(efi_system_table_t *sys_table_arg); +efi_status_t efi_random_get_seed(efi_system_table_t *sys_table_arg); + #endif |