Messages in this thread | | | Date | Tue, 21 Nov 2023 11:07:53 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH v4 1/5] tracing: Introduce faultable tracepoints |
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On Tue, 21 Nov 2023 11:00:13 -0500 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> wrote:
> > tasks-tracing-rcu: > > extention of tasks to have critical-sections ? Should this simply be > > tasks? > > tasks-trace-rcu is meant to allow tasks to block/take a page fault > within the read-side. It is specialized for tracing and has a single > domain. It does not need the smp_mb on the read-side, which makes it > lower-overhead than SRCU.
IOW, task-trace-rcu allows the call to schedule in its critical section, whereas task-rcu does not?
-- Steve
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