clear_pending(9)

okay so bestie, welcome to clear_pending(9) from the Kernel API Manual ✨ this one is short, iconic, and all about clearing the pending bit, no cap 💅

🌸 NAME 🌸

clear_pending — clear the pending bit. periodt 💖

✨ SYNOPSIS ✨

void clear_pending (arena_spinlock_t __arena *lock );

🎀 ARGUMENTS 🎀

• lock — Pointer to queued spinlock structure 🌀 yes bestie, point it at the queued spinlock struct and let it do its thing.

🦋 DESCRIPTION 🦋

The description in the original is literally this:

*,1,* -> *,0,*

so yeah, that's the whole vibe: *,1,* turns into *,0,*. not me staring respectfully at the most mysterious one-liner ever 😭💀 but that is exactly what it says, and we are not inventing extra lore, fr fr.

👑 SEE ALSO 👑

• Kernel file: ./tools/testing/selftests/bpf/libarena/include/bpf_arena_spin_lock.h 🧚
• xchg_tail(9)
• clear_pending_set_locked(9)
• set_locked(9)
• arena_spin_trylock(9)
• arena_spin_lock(9)
• arena_spin_unlock(9)

that's the whole page, bestie 🫶 brought to you by the source/version line ./tools/testing/selftests/bpf/... and dated October 2026 🌈💖