On Tue, Jun 19, 2018 at 02:38:45PM +0100, Quentin Perret wrote: > But maybe I could use something simpler than a lock in this case ? > Would WRITE_ONCE/READ_ONCE be enough to ensure that atomicity for > example ?
Yes, since its a single pointer, smp_store_release() + READ_ONCE() should be sufficient (these are the foundations of RCU).

