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linux/kernel
Paul E. McKenney 80d530b47d rcu: Print number of online CPUs in RCU CPU stall-warning messages
RCU's synchronous grace periods act quite differently when there is
only one online CPU, especially in the no-op case in kernels built with
CONFIG_PREEMPTION=n.  This change in behavior can be important debugging
information, so this commit adds the number of online CPUs to the RCU
CPU stall warning messages.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2022-04-20 16:51:10 -07:00
..