irq_has_action(9)

✨ irq_has_action(9) ✨

okay so bestie, welcome to the Kernel API Manual page for irq_has_action(9) — we're checking whether an interrupt is requested, and it's giving very tiny snapshot energy. 💅

🎀 NAME 🎀

irq_has_action — Check whether an interrupt is requested

🌸 SYNOPSIS 🌸

bool irq_has_action (unsigned int irq );

🦋 ARGUMENTS 🦋

• irq — the linux irq number, aka the IRQ number you're checking on. no cap. 🌟

💖 RETURN 💖

You get back a snapshot of the current state — that's the whole vibe. 🫶

🌈 SEE ALSO 🌈

The kernel file ./kernel/irq/manage.c is over there doing its thing, and these besties are all linked too:

• synchronize_hardirq(9)
• synchronize_irq(9)
• irq_can_set_affinity(9)
• irq_can_set_affinity_usr(9)
• irq_set_thread_affinity(9)
• irq_affinity_schedule_notify_work(9)
• irq_update_affinity_desc(9)
• irq_set_affinity(9)
• irq_force_affinity(9)
• irq_set_affinity_notifier(9)
• irq_set_vcpu_affinity(9)
• disable_irq_nosync(9)
• disable_irq(9)
• disable_hardirq(9)
• disable_nmi_nosync(9)
• enable_irq(9)
• enable_nmi(9)
• irq_set_irq_wake(9)
• irq_wake_thread(9)
• free_irq(9)
• request_threaded_irq(9)
• request_any_context_irq(9)
• request_nmi(9)
• irq_percpu_is_enabled(9)
• free_percpu_irq(9)
• request_percpu_irq_affinity(9)
• request_percpu_nmi(9)
• prepare_percpu_nmi(9)
• teardown_percpu_nmi(9)
• irq_get_irqchip_state(9)
• irq_set_irqchip_state(9)
• irq_check_status_bit(9)

okay bye bestie! 🫶 source/version is ./kernel/irq, and the date is October 2026 — periodt. 💜