Re: [PATCH] time/tick-broadcast: Fix tick_broadcast_offline() lockdep complaint

[Frederic Weisbecker]

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!