On Thu, 14 Jan 2021 13:40:02 -0600 Josh Poimboeuf <jpoim...@redhat.com> wrote:
> Prevent an unreachable objtool warning after the sibling call detection > gets improved. ftrace_stub() is basically a function, annotate it as > such. > > Cc: Steven Rostedt <rost...@goodmis.org> Acked-by: Steven Rostedt (VMware) <rost...@goodmis.org> -- Steve > Signed-off-by: Josh Poimboeuf <jpoim...@redhat.com> > --- > arch/x86/kernel/ftrace_64.S | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/x86/kernel/ftrace_64.S b/arch/x86/kernel/ftrace_64.S > index 0d54099c2a3a..58d125ed9d1a 100644 > --- a/arch/x86/kernel/ftrace_64.S > +++ b/arch/x86/kernel/ftrace_64.S > @@ -184,6 +184,7 @@ SYM_INNER_LABEL(ftrace_graph_call, SYM_L_GLOBAL) > * It is also used to copy the retq for trampolines. > */ > SYM_INNER_LABEL_ALIGN(ftrace_stub, SYM_L_WEAK) > + UNWIND_HINT_FUNC > retq > SYM_FUNC_END(ftrace_epilogue) >
