On Tue, Jun 25, 2019 at 09:51:39AM +0200, Peter Zijlstra wrote:> On Tue, Jun 25, 2019 at 02:43:00AM +0200, Frederic Weisbecker wrote:> > Yeah, unfortunately there is no atomic_add_not_zero_return().> > There is atomic_fetch_add_unless().Ah, that could work!