On Fri, Mar 10, 2023 at 11:02:52AM -0300, Guilherme G. Piccoli wrote: > Hey folks, after getting the warning myself a quick search led me to Arnd's > thorough report - investigating a bit, this seems to be the proper solution. > > Notice I didn't add the function to objtool's static list, seems this is > unnecessary in this case - lemme know otherwise! > Thanks in advance for reviews, I'd recommend also adding it to the objtool global_noreturns list, otherwise this patch will probably trigger warnings with other non-IBT configs, in cases where the function is called from another translation unit, where GCC knows the function is noreturn but objtool doesn't. We're looking at ways of eliminating global_noreturns, but it's unfortunately still a necessary evil at this point. Also, FWIW, I have a change coming soon which make these warnings much easier to diagnose. -- Josh
