On Thu, Jan 25, 2018 at 06:04:23PM +0000, David Woodhouse wrote: > On Thu, 2018-01-25 at 18:53 +0100, Borislav Petkov wrote: > > > > So forget the KABI angle and think: simpler, cleaner, more readable > > macros. > > > > Oh, and David, if while doing so I manage to add the alignment, then > > *that* is even better. > > > > Win-win-effing-win situation! > > Yep, I'll buy that. But first we need Josh to work out what he's having > for lunch.
This is what I've been eating every day: https://www.urbandictionary.com/define.php?term=Shit%20Sandwich :-) > Although just another marker to tell objtool "ignore this whole > function" might be sufficient to allow us to have an out-of-line RSB- > stuffing function. If the function is only in arch/x86/lib/retpoline.S, we can just tell objtool to ignore the entire file for now, as the file has no useful information anyway (until I get around to adding ORC hints to it). Just add OBJECT_FILES_NON_STANDARD_retpoline.o :=y to the Makefile. -- Josh
