On 4/12/23 10:25?AM, Josh Poimboeuf wrote: > On Wed, Apr 12, 2023 at 01:44:00PM +0200, Peter Zijlstra wrote: >> On Tue, Apr 11, 2023 at 05:14:00PM -0700, Josh Poimboeuf wrote: >> >>> Peter, what do you think, should we make track uaccess state across >>> function boundaries? >> >> So IIRC the goal was to explicitly dis-allow that. You want minimal code >> executed with STAC and hence disallow calling stuff. > > I guess I was wondering if we could make an exception for calls to > static IPA-optimized functions, so we wouldn't have to scramble to "fix" > compiler optimizations. > > But for now, yeah let's just keep it simple. > > Jens, can you confirm this works? I added __noclone instead of removing > static. Yep, works for me. -- Jens Axboe
