Re: [PATCH 3/6] bitops: define gen_test_bit() the same way as the rest of functions
From: Andy Shevchenko
Date: Tue Jun 07 2022 - 12:28:25 EST
On Tue, Jun 07, 2022 at 05:57:22PM +0200, Alexander Lobakin wrote:
> From: Marco Elver <elver@xxxxxxxxxx>
> Date: Tue, 7 Jun 2022 15:43:49 +0200
> > On Mon, Jun 06, 2022 at 01:49PM +0200, Alexander Lobakin wrote:
...
> > I would also propose adding a comment close to the deref that test_bit()
> > is atomic and the deref needs to remain volatile, so future people will
> > not try to do the same optimization.
>
> I think that's also the reason why it's not underscored, right?
Non-__ prefixed bitops are atomic, __ non-atomic.
--
With Best Regards,
Andy Shevchenko