Messages in this thread Patch in this message | | | Date | Wed, 21 Feb 2018 13:53:57 +0100 | From | Peter Zijlstra <> | Subject | Re: [tip:x86/pti] objtool, retpolines: Integrate objtool with retpoline support more closely |
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On Wed, Feb 21, 2018 at 10:59:14AM +0000, David Woodhouse wrote: > On Wed, 2018-02-21 at 02:34 -0800, tip-bot for Peter Zijlstra wrote: > > > > --- a/Makefile > > +++ b/Makefile > > @@ -489,6 +489,11 @@ KBUILD_CFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) > > KBUILD_AFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) > > endif > > > > +ifneq ($(call cc-option,-mindirect-branch=thunk-extern -mindirect-branch-register),) > > + CC_HAS_RETPOLINE := 1 > > +endif > > +export CC_HAS_RETPOLINE > > + > > That isn't the same as the check in arch/x86/Makefile.
That's because this crossed with the llvm cruft, right? I'll have a look.
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