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(parent: 439dc2a) | patch
efi/libstub: Disable Shadow Call Stack
authorSami Tolvanen <samitolvanen@google.com>
Mon, 27 Apr 2020 16:00:18 +0000 (09:00 -0700)
committerWill Deacon <will@kernel.org>
Fri, 15 May 2020 15:35:50 +0000 (16:35 +0100)
commitcc49c71d2abe99c1c2c9bedf0693ad2d3ee4a067
tree4022c50c3b464aa1e76126b81105c8b4467346c3tree | snapshot
parent439dc2a11727314cdc3ad0ad13c122d910dae411commit | diff
efi/libstub: Disable Shadow Call Stack

Shadow stacks are not available in the EFI stub, filter out SCS flags.

Suggested-by: James Morse <james.morse@arm.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
drivers/firmware/efi/libstub/Makefile diff | blob | history
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