On Fri, 25 Oct 2019 10:29:47 +0900 Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> wrote: > On Fri, Oct 25, 2019 at 7:52 AM <samitolvanen@xxxxxxxxxx> wrote: > > > > Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx> > > --- > > arch/arm64/kvm/hyp/Makefile | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile > > index ea710f674cb6..8289ea086e5e 100644 > > --- a/arch/arm64/kvm/hyp/Makefile > > +++ b/arch/arm64/kvm/hyp/Makefile > > @@ -28,3 +28,6 @@ GCOV_PROFILE := n > > KASAN_SANITIZE := n > > UBSAN_SANITIZE := n > > KCOV_INSTRUMENT := n > > + > > +ORIG_CFLAGS := $(KBUILD_CFLAGS) > > +KBUILD_CFLAGS = $(subst $(CC_FLAGS_SCS),,$(ORIG_CFLAGS)) > > > $(subst ... ) is not the correct use here. > > It works like sed, s/$(CC_CFLAGS_SCS)// > instead of matching by word. > > > > > KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) > > is more correct, and simpler. I guess that would work too. Not sure why I never used it. I see mips used it for their -pg flags. -- Steve