On Tue, Jan 23, 2018 at 04:25:42PM +0100, Peter Zijlstra wrote: > Paravirt emits indirect calls which get flagged by objtool retpoline > checks, annotate it away because all these indirect calls will be > patched out before we start userspace. > > Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org> > --- > arch/x86/include/asm/paravirt.h | 22 ++++++++++++++++++---- > arch/x86/include/asm/paravirt_types.h | 7 ++++++- > 2 files changed, 24 insertions(+), 5 deletions(-) > > --- a/arch/x86/include/asm/paravirt.h > +++ b/arch/x86/include/asm/paravirt.h > @@ -828,6 +828,12 @@ extern void default_banner(void); > .short clobbers; \ > .popsection > > +#define PARA_RETPOLINE_SAFE \ > + 773:; \ > + .pushsection .discard.retpoline_safe; \ > + _ASM_PTR 773b; \ > + .popsection
Why does paravirt have its own version of this macro? -- Josh