[RFC PATCH v2 5/7] objtool: Enable objtool to run only on files with ftrace enabled
From: Christophe Leroy <hidden>
Date: 2022-05-24 13:18:17
Also in:
lkml
Subsystem:
kernel build + files below scripts/ (unless maintained elsewhere), the rest · Maintainers:
Nathan Chancellor, Nicolas Schier, Linus Torvalds
From: Sathvika Vasireddy <redacted> This patch makes sure objtool runs only on the object files that have ftrace enabled, instead of running on all the object files. Signed-off-by: Naveen N. Rao <redacted> Signed-off-by: Sathvika Vasireddy <redacted> Signed-off-by: Christophe Leroy <redacted> --- scripts/Makefile.build | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 2e0c3f9c1459..06ceffd92921 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build@@ -258,8 +258,8 @@ else # 'OBJECT_FILES_NON_STANDARD_foo.o := 'y': skip objtool checking for a file # 'OBJECT_FILES_NON_STANDARD_foo.o := 'n': override directory skip for a file -$(obj)/%.o: objtool-enabled = $(if $(filter-out y%, \ - $(OBJECT_FILES_NON_STANDARD_$(basetarget).o)$(OBJECT_FILES_NON_STANDARD)n),y) +$(obj)/%.o: objtool-enabled = $(and $(if $(filter-out y%, $(OBJECT_FILES_NON_STANDARD_$(basetarget).o)$(OBJECT_FILES_NON_STANDARD)n),y), \ + $(if $(findstring $(strip $(CC_FLAGS_FTRACE)),$(_c_flags)),y),y) endif
--
2.35.3