rcu: Refactor expedited handling check in rcu_read_unlock_special()

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[ Upstream commit 908a97eba8 ]

Extract the complex expedited handling condition in rcu_read_unlock_special()
into a separate function rcu_unlock_needs_exp_handling() with detailed
comments explaining each condition.

This improves code readability. No functional change intended.

Reviewed-by: "Paul E. McKenney" <paulmck@kernel.org>
Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: Neeraj Upadhyay (AMD) <neeraj.upadhyay@kernel.org>
Stable-dep-of: d41e37f26b ("rcu: Fix rcu_read_unlock() deadloop due to softirq")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Joel Fernandes 2025-07-15 16:01:52 -04:00 • committed by Sasha Levin

parent 51838112d9

commit 24d44e0f05

1 changed files with 74 additions and 9 deletions

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kernel/rcu/tree_plugin.h

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