On 21/11/24 12:21, Josh Poimboeuf wrote: > On Thu, Nov 21, 2024 at 04:51:09PM +0100, Valentin Schneider wrote: >> Okay so forcing the IPI for .noinstr patching lets us get rid of all the >> force_ipi faff; however I would still want the special marking to tell >> objtool "yep we're okay with this one", and still get warnings when a new >> .noinstr key gets added so we double think about it. > > Yeah. Though, instead of DECLARE_STATIC_KEY_FALSE_NOINSTR adding a new > jump label type, it could just add an objtool annotation pointing to the > key. If that's the way we're going I could whip up a patch if that > would help. > Well I'm down for the approach and I'd appreciate help for the objtool side :-) > -- > Josh
