On Fri, Jul 01, 2016 at 11:08:01AM +0800, T.Zhou wrote: > - smp_cond_load_acquire(&p->on_cpu, !VAL); > + smp_cond_load_acquire(&p->on_cpu, !p->on_cpu);
Huh, what?! No, the second parameter should very much include VAL, which gets assigned the value of *(&p->on_cpu). Go read the macro, it even has a comment on.
