On Fri, Sep 18, 2020 at 12:01:12PM +0200, peterz@xxxxxxxxxxxxx wrote: > + u64 sum = per_cpu_sum(*(u64 *)sem->read_count); Moo, that doesn't work, we have to do two separate sums. I shouldn't try to be clever on a Friday I suppose :-(
On Fri, Sep 18, 2020 at 12:01:12PM +0200, peterz@xxxxxxxxxxxxx wrote: > + u64 sum = per_cpu_sum(*(u64 *)sem->read_count); Moo, that doesn't work, we have to do two separate sums. I shouldn't try to be clever on a Friday I suppose :-(