[PATCH v5 21/29] drivers/misc/lkdtm: disable LTO for rodata.o

Sami Tolvanen
2020-10-09T16:18:08Z

Disable LTO for rodata.o to allow objcopy to be used to
manipulate sections.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Kees Cook <keescook@chromium.org>
---
drivers/misc/lkdtm/Makefile | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/misc/lkdtm/Makefile b/drivers/misc/lkdtm/Makefile
index c70b3822013f..dd4c936d4d73 100644
--- a/drivers/misc/lkdtm/Makefile
+++ b/drivers/misc/lkdtm/Makefile
@@ -13,6 +13,7 @@ lkdtm-$(CONFIG_LKDTM) += cfi.o

KASAN_SANITIZE_stackleak.o := n
KCOV_INSTRUMENT_rodata.o := n
+CFLAGS_REMOVE_rodata.o += $(CC_FLAGS_LTO)

OBJCOPYFLAGS :=
OBJCOPYFLAGS_rodata_objcopy.o := \
--
2.28.0.1011.ga647a8990f-goog