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

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Date:   Tue, 30 May 2023 13:33:38 +0100
From:   Mark Rutland <mark.rutland@....com>
To:     Akira Yokosawa <akiyks@...il.com>
Cc:     linux-kernel@...r.kernel.org, boqun.feng@...il.com, corbet@....net,
        keescook@...omium.org, linux-arch@...r.kernel.org,
        linux@...linux.org.uk, linux-doc@...r.kernel.org,
        paulmck@...nel.org, peterz@...radead.org, sstabellini@...nel.org,
        will@...nel.org
Subject: Re: [PATCH 25/26] locking/atomic: docs: Add atomic operations to the
 driver basic API documentation

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@...nel.org>
> > 
> > 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@...nel.org>
> > Cc: Jonathan Corbet <corbet@....net>
> > Cc: Kees Cook <keescook@...omium.org>
> > Cc: Akira Yokosawa <akiyks@...il.com>
> > Cc: Will Deacon <will@...nel.org>
> > Cc: Peter Zijlstra <peterz@...radead.org>
> > Cc: Boqun Feng <boqun.feng@...il.com>
> > Cc: Mark Rutland <mark.rutland@....com>
> > Cc: <linux-doc@...r.kernel.org>
> > Reviewed-by: Kees Cook <keescook@...omium.org>
> > [Mark: add atomic-long.h]
> > Signed-off-by: Mark Rutland <mark.rutland@....com>
> > ---
> >  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.