[PATCH v5 21/29] drivers/misc/lkdtm: disable LTO for rodata.o
From: Sami Tolvanen <samitolvanen@google.com>
Date: 2020-10-09 16:14:57
Also in:
linux-arch, linux-kbuild, linux-pci, lkml
Subsystem:
char and misc drivers, linux kernel dump test module (lkdtm), the rest · Maintainers:
Arnd Bergmann, Greg Kroah-Hartman, Kees Cook, Linus Torvalds
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 <redacted> --- 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
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