Re: [PATCH] tracing: Add WARN_ON_ONCE for syscall_nr check

[Steven Rostedt]

On Thu, 28 Nov 2024 21:15:31 +0800
Tao Chen <chen.dylane@xxxxxxxxx> wrote:

> Hi, Steve, thank you for your reply, as you say, so what about 
> pr_warn_once api just to print something ?

A better solution is for there to be a return code or something where the
tracers (perf or ftrace) can record in the trace that the system call is
not supported.

-- Steve