Messages in this thread | | | Date | Tue, 24 May 2022 20:01:39 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC PATCH v2 5/7] objtool: Enable objtool to run only on files with ftrace enabled |
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On Tue, May 24, 2022 at 03:17:45PM +0200, Christophe Leroy wrote: > From: Sathvika Vasireddy <sv@linux.ibm.com> > > 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 <naveen.n.rao@linux.vnet.ibm.com> > Signed-off-by: Sathvika Vasireddy <sv@linux.ibm.com> > Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> > --- > 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)
I think this breaks x86, quite a bit of files have ftrace disabled but very much must run objtool anyway.
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