linux-kernel - Re: [PATCH v2 0/3] Improve trace/ring

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Message-ID: <CAFULd4bw3sa01_bZ1YhtSYEdbcxvsjVraH5bdQ4-djoYnpy8Sg@mail.gmail.com>
Date:   Thu, 2 Mar 2023 18:19:16 +0100
From:   Uros Bizjak <ubizjak@...il.com>
To:     linux-trace-kernel@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH v2 0/3] Improve trace/ring_buffer.c

On Thu, Mar 2, 2023 at 5:41 PM Uros Bizjak <ubizjak@...il.com> wrote:
>
> *** BLURB HERE ***

Eh...

Here should read:

This series improves ring_buffer.c by changing the type of some
static functions to void or bool and uses try_cmpxchg instead of
cmpxchg (*ptr, old, new) == old where appropriate.

v2: Convert only loops with cmpxchg.

Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Masami Hiramatsu <mhiramat@...nel.org>

> Uros Bizjak (3):
>   ring_buffer: Change some static functions to void
>   ring_buffer: Change some static functions to bool
>   ring_buffer: Use try_cmpxchg instead of cmpxchg
>
>  kernel/trace/ring_buffer.c | 77 ++++++++++++++++----------------------
>  1 file changed, 33 insertions(+), 44 deletions(-)
>
> --
> 2.39.2
>