On Wed, Jan 30, 2019 at 01:31:31PM +0100, Andrea Parri wrote: > On Wed, Jan 30, 2019 at 01:18:51PM +0200, Elena Reshetova wrote: > > This adds an smp_acquire__after_ctrl_dep() barrier on successful > > decrease of refcounter value from 1 to 0 for refcount_dec(sub)_and_test > > variants and therefore gives stronger memory ordering guarantees than > > prior versions of these functions. > > > > Co-developed-by: Peter Zijlstra (Intel) <pet...@infradead.org> > > Signed-off-by: Elena Reshetova <elena.reshet...@intel.com> > > Reviewed-by: Andrea Parri <andrea.pa...@amarulasolutions.com>
Thanks, got it queued now.