rcu/tree: Add comment to describe GP-done condition in fqs loop

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Add a comment to explain why !rcu_preempt_blocked_readers_cgp() condition
is required on root rnp node, for GP completion check in rcu_gp_fqs_loop().

Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

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Neeraj Upadhyay 2022-06-09 12:43:40 +05:30 • committed by Paul E. McKenney

parent 9bdb5b3a8d

commit a03ae49c47

1 changed files with 9 additions and 1 deletions

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kernel/rcu/tree.c

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