Re: [PATCH] rcu: Is it safe to enter an RCU read-side criticalsection?

[Steven Rostedt]

On Mon, 9 Sep 2013 15:29:02 +0200
Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:

 
> No, putting that on the task_struct won't help much in this regard I think.
> Regular schedule() calls don't change that per cpu state.

But is there a place that it would need to?

I mean, if RCU is not tracking a CPU, is it safe to call schedule().
And then how would the new task know that RCU is ignoring that CPU?

-- Steve

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