Messages in this thread | | | Date | Fri, 27 Apr 2018 10:47:47 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH RFC] tracepoint: Introduce tracepoint callbacks executing with preempt on |
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On Fri, 27 Apr 2018 10:26:29 -0400 (EDT) Mathieu Desnoyers <mathieu.desnoyers@efficios.com> wrote:
> The general approach and the implementation look fine, except for > one small detail: I would be tempted to explicitly disable preemption > around the call to the tracepoint callback for the rcuidle variant, > unless we plan to audit every tracer right away to remove any assumption > that preemption is disabled in the callback implementation.
I'm thinking that we do that audit. There shouldn't be many instances of it. I like the idea that a tracepoint callback gets called with preemption enabled.
-- Steve
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