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SubjectRe: [PATCH v4 1/5] tracing: Introduce faultable tracepoints
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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