Re: [PATCH net-next 2/5] r8152: replace array with linking list for rx information

Jakub Kicinski
2019-08-06T21:40:36Z

On Tue, 6 Aug 2019 12:53:42 -0700, Jakub Kicinski wrote:
> > @@ -744,6 +745,8 @@ struct r8152 {
> > void (*autosuspend_en)(struct r8152 *tp, bool enable);
> > } rtl_ops;
> >
> > + atomic_t rx_count;
>
> I wonder what the advantage of rx_count being atomic is, perhpas it
> could be protected by the same lock as the list head?

Okay, I see you're using it to test the queue length without the lock in
a later patch.