Messages in this thread | | | Date | Tue, 21 Nov 2023 09:44:44 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH v4 1/5] tracing: Introduce faultable tracepoints |
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On Tue, 21 Nov 2023 15:36:47 +0100 Peter Zijlstra <peterz@infradead.org> wrote: > > Still utterly confused about what task-tracing rcu is and how it is > different from preemptible rcu.
Is this similar to synchronize_rcu_tasks()? As I understand that one (grace period continues until all tasks have voluntarily scheduled or gone into user space). But I'm a bit confused by synchronize_rcu_tasks_trace()?
Note, that for syncronize_rcu_tasks() the critical sections must not call schedule (although it is OK to be preempted).
-- Steve
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