On 04/10/16 10:58, Benjamin Herrenschmidt wrote: > On Tue, 2016-10-04 at 10:25 +1100, Balbir Singh wrote: >> I think this makes sense, in fact I think in the longer term we can >> even use __set_bit() reorder-able version since we have a sync >> coming out of schedule(). The read side for TLB flush can use a RMB > > No, that wouldn't be atomic vs. other threads accessing the same > bitmap.
Somethings distorted my thought process. Thanks! Balbir Singh.