On Mon, Jan 29, 2018 at 11:58:58AM -0600, Josh Poimboeuf wrote: > 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?
Every time I touch paravirt.h I land in header hell :/ Maybe it can be made to work, but I was too scared to try this time.
