Re: [PATCH v4 3/3] ring-buffer: Skip invalid sub-buffers when validating persistent ring buffer

[Steven Rostedt]

On Thu, 26 Feb 2026 21:58:33 +0900
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> wrote:

> > --- a/kernel/trace/ring_buffer.c
> > +++ b/kernel/trace/ring_buffer.c
> > @@ -2058,17 +2058,18 @@ static void rb_meta_validate_events(struct ring_buffer_per_cpu *cpu_buffer)
> >  		if (ret < 0) {
> >  			pr_info("Ring buffer meta [%d] invalid buffer page\n",
> >  				cpu_buffer->cpu);  
> 
> This pr_info() should be removed too, because multiple pages
> can be discarded.

I wouldn't discard it, but instead add a "once" variable, where it shows it
only once per CPU.

-- Steve