srcu_barrier(9)

💅 srcu_barrier(9) 💅

okay bestie, this lil icon is from the Kernel API Manual, and she's here to make one thing extremely clear: srcu_barrier waits until all in-flight call_srcu() callbacks complete. That's the whole vibe. No cap. ✨

🌸 NAME 🌸

srcu_barrier — wait until all in-flight call_srcu() callbacks complete. literally her whole job, and she ate. 💖

🦋 SYNOPSIS 🦋

void srcu_barrier (struct srcu_struct *ssp );

🎀 ARGUMENTS 🎀

• ssp — the srcu_struct on which to wait for in-flight callbacks. she's the main character here, okay? 🫶

👑 SEE ALSO 👑

• Kernel file ./kernel/rcu/srcutree.c
• init_srcu_struct_generic(9)
• init_srcu_struct_fast(9)
• init_srcu_struct_fast_updown(9)
• cleanup_srcu_struct(9)
• call_srcu(9)
• synchronize_srcu_expedited(9)
• synchronize_srcu(9)
• get_state_synchronize_srcu(9)
• start_poll_synchronize_srcu(9)
• poll_state_synchronize_srcu(9)
• srcu_expedite_current(9)
• srcu_batches_completed(9)

go read these too, bestie — they're all in the same friend group, iykyk 💀✨

mwah 💋 this little page came from ./kernel/rcu, dated October 2026, and it's literally srcu_barrier(9) — periodt. 🌈🎀