doc: Update information about resched_cpu (5cc379a4) · Commits · 戴 / test

Since commit ("rcu: Avoid resched_cpu() when rescheduling the current CPU"), resched_cpu is not directly called from sync_sched_exp_handler. Update the documentation about the same. Signed-off-by:

Joel Fernandes (Google) <joel@joelfernandes.org> Cc: <kernel-team@android.com> Signed-off-by:

Paul E. McKenney <paulmck@linux.ibm.com>

Documentation/RCU/Design/Expedited-Grace-Periods/Expedited-Grace-Periods.html

+3 −3

Original line number	Diff line number	Diff line
		@@ -160,9 +160,9 @@ was in flight.
		If the CPU is idle, then <tt>sync_sched_exp_handler()</tt> reports
		the quiescent state.

		<p>
		Otherwise, the handler invokes <tt>resched_cpu()</tt>, which forces
		a future context switch.
		<p> Otherwise, the handler forces a future context switch by setting the
		NEED_RESCHED flag of the current task's thread flag and the CPU preempt
		counter.
		At the time of the context switch, the CPU reports the quiescent state.
		Should the CPU go offline first, it will report the quiescent state
		at that time.

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