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arm64: vdso: disable LTO
authorSami Tolvanen <samitolvanen@google.com>
Fri, 11 Dec 2020 18:46:31 +0000 (10:46 -0800)
committerKees Cook <keescook@chromium.org>
Thu, 14 Jan 2021 16:21:09 +0000 (08:21 -0800)
commit004d53f8c96f0a0263721494d25d6eec559268f4
treede50b7be1d283434f807ae0da06ac69ea7cc5797
parent01dd633e7aae169915fea89224acb7a2b688912b
arm64: vdso: disable LTO

Disable LTO for the vDSO by filtering out CC_FLAGS_LTO, as there's no
point in using link-time optimization for the small amount of C code.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20201211184633.3213045-15-samitolvanen@google.com
arch/arm64/kernel/vdso/Makefile