rcu_read_unlock_bh(9)

rcu_read_unlock_bh(9) 💅✨

okay bestie, this page is from the Kernel API Manual, and it's literally the tiniest little icon. no cap, it's giving “one job and she ate.” 🎀

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NAME 🌸

rcu_read_unlock_bh — marks the end of a softirq-only RCU critical section 💖

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SYNOPSIS 🦋

void rcu_read_unlock_bh (void );

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ARGUMENTS ✨

• void — no arguments. not a single one. she takes nothing and slays anyway 💅

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DESCRIPTION 🌈

See rcu_read_lock_bh for more information. that's the whole vibe, bestie — this page is short and knows it 👑

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SEE ALSO 🫶

Kernel file ./include/linux/rcupdate.h plus these besties:

• same_state_synchronize_rcu(9)
• cond_resched_tasks_rcu_qs(9)
• rcu_softirq_qs_periodic(9)
• RCU_LOCKDEP_WARN(9)
• lockdep_assert_in_rcu_read_lock(9)
• lockdep_assert_in_rcu_read_lock_bh(9)
• lockdep_assert_in_rcu_read_lock_sched(9)
• lockdep_assert_in_rcu_reader(9)
• unrcu_pointer(9)
• RCU_INITIALIZER(9)
• rcu_assign_pointer(9)
• rcu_replace_pointer(9)
• rcu_access_pointer(9)
• rcu_dereference_check(9)
• rcu_dereference_bh_check(9)
• rcu_dereference_sched_check(9)
• rcu_dereference_all_check(9)
• rcu_dereference_protected(9)
• rcu_dereference(9)
• rcu_dereference_bh(9)
• rcu_dereference_sched(9)
• rcu_dereference_all(9)
• rcu_pointer_handoff(9)
• rcu_read_lock(9)
• rcu_read_unlock(9)
• rcu_read_lock_bh(9)
• rcu_read_lock_sched(9)
• rcu_read_unlock_sched(9)
• RCU_INIT_POINTER(9)
• RCU_POINTER_INITIALIZER(9)
• kfree_rcu(9)
• kfree_rcu_mightsleep(9)
• kfree_rcu_nolock(9)
• rcu_head_init(9)
• rcu_head_after_call_rcu(9)

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tiny page, huge “I know my one line” energy. mwah 💖

and that's the whole thing, bestie: source path ./include/linux, the Kernel API Manual name, and the October 2026 date. byeee 👑💜