Hello, On Tue, Aug 16, 2022 at 12:15:38PM +0800, Herbert Xu wrote: > Tejun Heo <tj@xxxxxxxxxx> wrote: > > > > Oh, tricky one and yeah you're absolutely right that it makes no sense to > > not guarantee barrier semantics when already pending. I didn't even know > > test_and_set_bit() wasn't a barrier when it failed. Thanks a lot for hunting > > down and fixing this. Applied to wq/for-6.0-fixes. > > Please revert this as test_and_set_bit was always supposed to be > a full memory barrier. This is an arch bug. Alright, reverting. Thanks. -- tejun
