Messages in this thread | | | Date | Tue, 28 Feb 2023 14:35:47 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH 0/3] Improve trace/ring_buffer.c |
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On Tue, 28 Feb 2023 18:59:26 +0100 Uros Bizjak <ubizjak@gmail.com> wrote:
> This series improves ring_buffer.c by changing the type of some > static functions to void or bool and
Well, it's not really an improvement unless it has a functional change. But I'm OK with taking these.
> uses try_cmpxchg instead of > cmpxchg (*ptr, old, new) == old where appropriate.
Now, the try_cmpxchg() could be an improvement on x86.
-- Steve
> > Cc: Steven Rostedt <rostedt@goodmis.org> > Cc: Masami Hiramatsu <mhiramat@kernel.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 | 89 ++++++++++++++++---------------------- > 1 file changed, 37 insertions(+), 52 deletions(-) >
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