Messages in this thread | | | Date | Thu, 24 Sep 2020 16:27:34 -0400 (EDT) | From | Mathieu Desnoyers <> | Subject | Re: [PATCH 1/2] tracepoints: Add helper to test if tracepoint is enabled in a header |
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----- On Sep 24, 2020, at 4:13 PM, rostedt rostedt@goodmis.org wrote:
> On Thu, 24 Sep 2020 16:05:35 -0400 (EDT) > Mathieu Desnoyers <mathieu.desnoyers@efficios.com> wrote: > >> If headers which happens to be included by include/trace/events/ headers are >> the issue, and they happen to only be needed by CREATE_TRACE_PROBES, then we >> should consider wrapping those #include with #ifdef CREATE_TRACE_PROBES guards. > > Well, we are at a point you can't even use preempt_disable(). > > Whatever wants to use this tracepoint_enabled() macro, is going to have > to include something that doesn't include tracepoint.h.
I'd be a bit more specific: so far, the msr.h use-case requires to include directly tracepoint-defs.h and use a tracepoint_enabled() macro defined there.
Other less "core" header use-cases could still include tracepoint.h, as long as there is no circular dependency.
Thanks,
Mathieu
-- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
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