Re: [PATCH v3 4/8] tracing/bpf: guard syscall probe with preempt_notrace

[Steven Rostedt <rostedt@xxxxxxxxxxx>]

On Fri,  4 Oct 2024 10:58:14 -0400
Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> wrote:

> +#define __BPF_DECLARE_TRACE_SYSCALL(call, proto, args)			\
> +static notrace void							\
> +__bpf_trace_##call(void *__data, proto)					\
> +{									\
> +	guard(preempt_notrace)();					\
> +	CONCATENATE(bpf_trace_run, COUNT_ARGS(args))(__data, CAST_TO_U64(args));	\
> +}
> +

Same here for using guard over just adding preempt_disable/enable_notrace().

-- Steve