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| author | Sami Tolvanen <samitolvanen@google.com> | 2020-12-11 21:46:29 +0300 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2021-01-14 19:21:09 +0300 |
| commit | 6e20f18579c5ba2f1bcbb2ec28a51cafca76935f (patch) | |
| tree | a40ecf2e8da93c0160f5726217c0dee6a38cde8c /drivers/firmware/efi/libstub/Makefile | |
| parent | d23dddf86a12c96d9a3d135a567b9716e5b47821 (diff) | |
| download | linux-6e20f18579c5ba2f1bcbb2ec28a51cafca76935f.tar.xz | |
efi/libstub: disable LTO
With CONFIG_LTO_CLANG, we produce LLVM bitcode instead of ELF object
files. Since LTO is not really needed here and the Makefile assumes we
produce an object file, disable LTO for libstub.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20201211184633.3213045-13-samitolvanen@google.com
Diffstat (limited to 'drivers/firmware/efi/libstub/Makefile')
| -rw-r--r-- | drivers/firmware/efi/libstub/Makefile | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index 8a94388e38b3..c23466e05e60 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -38,6 +38,8 @@ KBUILD_CFLAGS := $(cflags-y) -Os -DDISABLE_BRANCH_PROFILING \ # remove SCS flags from all objects in this directory KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) +# disable LTO +KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO), $(KBUILD_CFLAGS)) GCOV_PROFILE := n # Sanitizer runtimes are unavailable and cannot be linked here. |