David Woodhouse 218b957a69 rcu: Add mutex for rcu boost kthread spawning and affinity setting ...

As we handle parallel CPU bringup, we will need to take care to avoid
spawning multiple boost threads, or race conditions when setting their
affinity. Spotted by Paul McKenney.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

2022-02-14 10:36:35 -08:00

43 KiB

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