Re: [PATCH v7 2/2] tracing: Add support for preempt and irq enable/disable events

[Peter Zijlstra]

On Fri, Sep 29, 2017 at 02:22:45PM -0700, Joel Fernandes wrote:
> +++ b/kernel/trace/trace_irqsoff.c

>  EXPORT_SYMBOL(trace_hardirqs_on);
>  EXPORT_SYMBOL(trace_hardirqs_off);
>  EXPORT_SYMBOL(trace_hardirqs_on_caller);
>  EXPORT_SYMBOL(trace_hardirqs_off_caller);

Steve, how does this compiler with lockdep enabled? Because:

kernel/locking/lockdep.c:EXPORT_SYMBOL(trace_hardirqs_on_caller);
kernel/locking/lockdep.c:EXPORT_SYMBOL(trace_hardirqs_on);
kernel/locking/lockdep.c:EXPORT_SYMBOL(trace_hardirqs_off_caller);
kernel/locking/lockdep.c:EXPORT_SYMBOL(trace_hardirqs_off);