Re: [PATCH v6 1/4] tracing: Reset last_boot_info if ring buffer is reset

[Steven Rostedt]

On Sun,  1 Feb 2026 12:29:07 +0900
"Masami Hiramatsu (Google)" <mhira...@kernel.org> wrote:

> @@ -8036,6 +8042,7 @@ tracing_snapshot_write(struct file *filp, const char 
> __user *ubuf, size_t cnt,
>                               tracing_reset_online_cpus(&tr->max_buffer);
>                       else
>                               tracing_reset_cpu(&tr->max_buffer, 
> iter->cpu_file);
> +                     update_last_data_if_empty(tr);

Is this needed? Memory mapped buffers (which the persistent ring buffer
is) do not have snapshot buffers.

-- Steve


>               }
>               break;
>       }