From: Marc Zyngier <maz@kernel.org>
Date: Mon, 20 Oct 2025 12:29:28 +0000 (+0100)
Subject: genirq: Kill handle_percpu_devid_fasteoi_nmi()
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5ff78c8de9d83ad6fc0553bf8f2edc816385837d;p=thirdparty%2Flinux.git

genirq: Kill handle_percpu_devid_fasteoi_nmi()

There is no in-tree user of this flow handler anymore, so simply remove it.

Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Will Deacon <will@kernel.org>
Link: https://patch.msgid.link/20251020122944.3074811-12-maz@kernel.org
---

diff --git a/include/linux/irq.h b/include/linux/irq.h
index c67e76fbcc077..b728c18f6ded7 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -655,7 +655,6 @@ extern void handle_bad_irq(struct irq_desc *desc);
 extern void handle_nested_irq(unsigned int irq);
 
 extern void handle_fasteoi_nmi(struct irq_desc *desc);
-extern void handle_percpu_devid_fasteoi_nmi(struct irq_desc *desc);
 
 extern int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg);
 extern int irq_chip_pm_get(struct irq_data *data);
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 3ffa0d80ddd19..633e1f67bb6f4 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -929,31 +929,6 @@ void handle_percpu_devid_irq(struct irq_desc *desc)
 		chip->irq_eoi(&desc->irq_data);
 }
 
-/**
- * handle_percpu_devid_fasteoi_nmi - Per CPU local NMI handler with per cpu
- *				     dev ids
- * @desc:	the interrupt description structure for this irq
- *
- * Similar to handle_fasteoi_nmi, but handling the dev_id cookie
- * as a percpu pointer.
- */
-void handle_percpu_devid_fasteoi_nmi(struct irq_desc *desc)
-{
-	struct irq_chip *chip = irq_desc_get_chip(desc);
-	struct irqaction *action = desc->action;
-	unsigned int irq = irq_desc_get_irq(desc);
-	irqreturn_t res;
-
-	__kstat_incr_irqs_this_cpu(desc);
-
-	trace_irq_handler_entry(irq, action);
-	res = action->handler(irq, raw_cpu_ptr(action->percpu_dev_id));
-	trace_irq_handler_exit(irq, action, res);
-
-	if (chip->irq_eoi)
-		chip->irq_eoi(&desc->irq_data);
-}
-
 static void
 __irq_do_set_handler(struct irq_desc *desc, irq_flow_handler_t handle,
 		     int is_chained, const char *name)