On Sun, 04 May 2025 20:27:53 +0200
Paul Cacheux via B4 Relay <devnull+paulcacheux.gmail....@kernel.org> wrote:
> From: Paul Cacheux <paulcach...@gmail.com>
>
> The shared trace_probe_log variable can be accessed and modified
> by multiple processes using tracefs at the same time, this new
> mutex will guarantee it's always in a coherent state.
>
> There is no guarantee that multiple errors happening at the same
> time will each have the correct error message, but at least this
> won't crash.
>
> Fixes: ab105a4fb894 ("tracing: Use tracing error_log with probe events")
> Signed-off-by: Paul Cacheux <paulcach...@gmail.com>
> ---
> kernel/trace/trace_probe.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
Acked-by: Steven Rostedt (Google) <rost...@goodmis.org>
-- Steve
