From 244b2c5ca8b14627e4a17755e5922221e121c771 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:15:07 +0000
Subject: [PATCH] change system file

---
 kernel/arch/ia64/kernel/irq_ia64.c |   64 +++++++++----------------------
 1 files changed, 19 insertions(+), 45 deletions(-)

diff --git a/kernel/arch/ia64/kernel/irq_ia64.c b/kernel/arch/ia64/kernel/irq_ia64.c
index ab87d6c..46e33c5 100644
--- a/kernel/arch/ia64/kernel/irq_ia64.c
+++ b/kernel/arch/ia64/kernel/irq_ia64.c
@@ -16,6 +16,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/pgtable.h>
 
 #include <linux/jiffies.h>
 #include <linux/errno.h>
@@ -37,13 +38,7 @@
 #include <asm/intrinsics.h>
 #include <asm/io.h>
 #include <asm/hw_irq.h>
-#include <asm/machvec.h>
-#include <asm/pgtable.h>
 #include <asm/tlbflush.h>
-
-#ifdef CONFIG_PERFMON
-# include <asm/perfmon.h>
-#endif
 
 #define IRQ_DEBUG	0
 
@@ -53,7 +48,6 @@
 #define IRQ_USED		(1)
 #define IRQ_RSVD		(2)
 
-/* These can be overridden in platform_irq_init */
 int ia64_first_device_vector = IA64_DEF_FIRST_DEVICE_VECTOR;
 int ia64_last_device_vector = IA64_DEF_LAST_DEVICE_VECTOR;
 
@@ -250,7 +244,7 @@
 	}
 }
 
-#if defined(CONFIG_SMP) && (defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_DIG))
+#ifdef CONFIG_SMP
 
 static enum vector_domain_type {
 	VECTOR_DOMAIN_NONE,
@@ -314,7 +308,7 @@
 	cpumask_and(&cleanup_mask, &cfg->old_domain, cpu_online_mask);
 	cfg->move_cleanup_count = cpumask_weight(&cleanup_mask);
 	for_each_cpu(i, &cleanup_mask)
-		platform_send_ipi(i, IA64_IRQ_MOVE_VECTOR, IA64_IPI_DM_INT, 0);
+		ia64_send_ipi(i, IA64_IRQ_MOVE_VECTOR, IA64_IPI_DM_INT, 0);
 	cfg->move_in_progress = 0;
 }
 
@@ -352,11 +346,6 @@
 	}
 	return IRQ_HANDLED;
 }
-
-static struct irqaction irq_move_irqaction = {
-	.handler =	smp_irq_move_cleanup_interrupt,
-	.name =		"irq_move"
-};
 
 static int __init parse_vector_domain(char *arg)
 {
@@ -585,30 +574,18 @@
 static irqreturn_t dummy_handler (int irq, void *dev_id)
 {
 	BUG();
+	return IRQ_NONE;
 }
-
-static struct irqaction ipi_irqaction = {
-	.handler =	handle_IPI,
-	.name =		"IPI"
-};
 
 /*
  * KVM uses this interrupt to force a cpu out of guest mode
  */
-static struct irqaction resched_irqaction = {
-	.handler =	dummy_handler,
-	.name =		"resched"
-};
-
-static struct irqaction tlb_irqaction = {
-	.handler =	dummy_handler,
-	.name =		"tlb_flush"
-};
 
 #endif
 
 void
-ia64_native_register_percpu_irq (ia64_vector vec, struct irqaction *action)
+register_percpu_irq(ia64_vector vec, irq_handler_t handler, unsigned long flags,
+		    const char *name)
 {
 	unsigned int irq;
 
@@ -616,8 +593,9 @@
 	BUG_ON(bind_irq_vector(irq, vec, CPU_MASK_ALL));
 	irq_set_status_flags(irq, IRQ_PER_CPU);
 	irq_set_chip(irq, &irq_type_ia64_lsapic);
-	if (action)
-		setup_irq(irq, action);
+	if (handler)
+		if (request_irq(irq, handler, flags, name, NULL))
+			pr_err("Failed to request irq %u (%s)\n", irq, name);
 	irq_set_handler(irq, handle_percpu_irq);
 }
 
@@ -625,30 +603,26 @@
 ia64_native_register_ipi(void)
 {
 #ifdef CONFIG_SMP
-	register_percpu_irq(IA64_IPI_VECTOR, &ipi_irqaction);
-	register_percpu_irq(IA64_IPI_RESCHEDULE, &resched_irqaction);
-	register_percpu_irq(IA64_IPI_LOCAL_TLB_FLUSH, &tlb_irqaction);
+	register_percpu_irq(IA64_IPI_VECTOR, handle_IPI, 0, "IPI");
+	register_percpu_irq(IA64_IPI_RESCHEDULE, dummy_handler, 0, "resched");
+	register_percpu_irq(IA64_IPI_LOCAL_TLB_FLUSH, dummy_handler, 0,
+			    "tlb_flush");
 #endif
 }
 
 void __init
 init_IRQ (void)
 {
-#ifdef CONFIG_ACPI
 	acpi_boot_init();
-#endif
 	ia64_register_ipi();
-	register_percpu_irq(IA64_SPURIOUS_INT_VECTOR, NULL);
+	register_percpu_irq(IA64_SPURIOUS_INT_VECTOR, NULL, 0, NULL);
 #ifdef CONFIG_SMP
-#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_DIG)
-	if (vector_domain_type != VECTOR_DOMAIN_NONE)
-		register_percpu_irq(IA64_IRQ_MOVE_VECTOR, &irq_move_irqaction);
+	if (vector_domain_type != VECTOR_DOMAIN_NONE) {
+		register_percpu_irq(IA64_IRQ_MOVE_VECTOR,
+				    smp_irq_move_cleanup_interrupt, 0,
+				    "irq_move");
+	}
 #endif
-#endif
-#ifdef CONFIG_PERFMON
-	pfm_init_percpu();
-#endif
-	platform_irq_init();
 }
 
 void

--
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