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

From: Steven Rostedt
Date: Wed Feb 07 2018 - 20:55:10 EST


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.

-- Steve