Re: [PATCH 25/26] locking/atomic: docs: Add atomic operations to the driver basic API documentation

From: Mark Rutland
Date: Tue May 30 2023 - 08:44:29 EST


On Wed, May 24, 2023 at 11:10:48PM +0900, Akira Yokosawa wrote:
> On Mon, 22 May 2023 13:24:28 +0100, Mark Rutland wrote:
> > From: "Paul E. McKenney" <paulmck@xxxxxxxxxx>
> >
> > Add the generated atomic headers to driver-api/basics.rst in order to
> > provide documentation for the Linux kernel's atomic operations.
> >
> > Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
> > Cc: Jonathan Corbet <corbet@xxxxxxx>
> > Cc: Kees Cook <keescook@xxxxxxxxxxxx>
> > Cc: Akira Yokosawa <akiyks@xxxxxxxxx>
> > Cc: Will Deacon <will@xxxxxxxxxx>
> > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> > Cc: Boqun Feng <boqun.feng@xxxxxxxxx>
> > Cc: Mark Rutland <mark.rutland@xxxxxxx>
> > Cc: <linux-doc@xxxxxxxxxxxxxxx>
> > Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
> > [Mark: add atomic-long.h]
> > Signed-off-by: Mark Rutland <mark.rutland@xxxxxxx>
> > ---
> > Documentation/driver-api/basics.rst | 6 ++++++
> > 1 file changed, 6 insertions(+)
> >
> > diff --git a/Documentation/driver-api/basics.rst b/Documentation/driver-api/basics.rst
> > index 4b4d8e28d3be4..a1fbd97fb79fb 100644
> > --- a/Documentation/driver-api/basics.rst
> > +++ b/Documentation/driver-api/basics.rst
> > @@ -87,6 +87,12 @@ Atomics
> > .. kernel-doc:: arch/x86/include/asm/atomic.h
> > :internal:
> >
> > +.. kernel-doc:: include/linux/atomic/atomic-arch-fallback.h
> > + :internal:
> > +
> > +.. kernel-doc:: include/linux/atomic/atomic-long.h
> > + :internal:
> > +
>
> Why not add
>
> .. kernel-doc:: include/linux/atomic/atomic-instrumented.h
> :internal:
>
> as well ??
>
> I think those kernel-doc comments are the most relevant ones
> for driver writers.

Yes, that should be there too.

I've added that (and dropped the x86 header) with an updated commit message.

Thanks,
Mark.