rcu_dereference_sched(9)

🎀 rcu_dereference_sched(9) 🎀

okay so bestie, welcome to the Kernel API Manual — this is the page for rcu_dereference_sched(9), and its whole job is fetching an RCU-sched-protected pointer for dereferencing. yes, that's the vibe. ✨

🌸 NAME 🌸

rcu_dereference_sched — fetch RCU-sched-protected pointer for dereferencing

🦋 SYNOPSIS 🦋

rcu_dereference_sched (p );

💖 ARGUMENTS 💖

• p — the pointer to read, prior to dereferencing. basically: look at the pointer first, then do your dereference thing. 💅

🔥 DESCRIPTION 🔥

okay so this one makes rcu_dereference_check do the dirty work. that's the whole flex. no cap. 😭

⭐ SEE ALSO ⭐

Kernel file ./include/linux/rcupdate.h, plus the whole friend group:

• 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_all(9)
• rcu_pointer_handoff(9)
• rcu_read_lock(9)
• rcu_read_unlock(9)
• rcu_read_lock_bh(9)
• rcu_read_unlock_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)

xoxo, bestie 💜 source/version is ./include/linux, date is October 2026, and this iconic little page is rcu_dereference_sched(9) signing off. 🫶