Re: [PATCH v9 35/37] tracing: Increase trace_recursive_lock() limit for synthetic events

[Tom Zanussi]

Hi Steve,

On Wed, 2018-02-07 at 20:55 -0500, Steven Rostedt wrote:
> On Mon, 15 Jan 2018 20:52:09 -0600
> Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx> wrote:
> 
> >  static __always_inline int
> >  trace_recursive_lock(struct ring_buffer_per_cpu *cpu_buffer)
> >  {
> > -	if (cpu_buffer->current_context >= 4)
> > +	if (cpu_buffer->current_context >= 6)
> 
> I can't apply this patch because the new context counting broke tracing
> suspend and resume because it depended on the context recursive locking.
> 
> Link: http://lkml.kernel.org/r/20180116020051.776011914@xxxxxxxxxxx
> 
> I added the attached two patches which appear to do the job.
> 
> Let me know what you think.
> 

Yeah, these look good and seem to do the trick - I did some quick
testing and didn't see any problems.

Thanks,

Tom