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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/arch/ia64/kernel/time.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * linux/arch/ia64/kernel/time.c
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  *
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@@ -24,7 +25,6 @@
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 #include <linux/platform_device.h>
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 #include <linux/sched/cputime.h>
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-#include <asm/machvec.h>
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 #include <asm/delay.h>
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 #include <asm/hw_irq.h>
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 #include <asm/ptrace.h>
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@@ -32,6 +32,7 @@
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 #include <asm/sections.h>
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 #include "fsyscall_gtod_data.h"
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+#include "irq.h"
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 static u64 itc_get_cycles(struct clocksource *cs);
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@@ -132,27 +133,37 @@
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 	return delta_stime;
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 }
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-void vtime_account_system(struct task_struct *tsk)
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+void vtime_account_kernel(struct task_struct *tsk)
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 {
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 	struct thread_info *ti = task_thread_info(tsk);
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 	__u64 stime = vtime_delta(tsk);
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-	if ((tsk->flags & PF_VCPU) && !irq_count())
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+	if (tsk->flags & PF_VCPU)
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 		ti->gtime += stime;
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-	else if (hardirq_count())
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-		ti->hardirq_time += stime;
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-	else if (in_serving_softirq())
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-		ti->softirq_time += stime;
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 	else
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 		ti->stime += stime;
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 }
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-EXPORT_SYMBOL_GPL(vtime_account_system);
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+EXPORT_SYMBOL_GPL(vtime_account_kernel);
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 void vtime_account_idle(struct task_struct *tsk)
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 {
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 	struct thread_info *ti = task_thread_info(tsk);
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 	ti->idle_time += vtime_delta(tsk);
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+}
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+
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+void vtime_account_softirq(struct task_struct *tsk)
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+{
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+	struct thread_info *ti = task_thread_info(tsk);
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+
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+	ti->softirq_time += vtime_delta(tsk);
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+}
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+
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+void vtime_account_hardirq(struct task_struct *tsk)
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+{
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+	struct thread_info *ti = task_thread_info(tsk);
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+
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+	ti->hardirq_time += vtime_delta(tsk);
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 }
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 #endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
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@@ -165,8 +176,6 @@
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 	if (cpu_is_offline(smp_processor_id())) {
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 		return IRQ_HANDLED;
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 	}
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-
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-	platform_timer_interrupt(irq, dev_id);
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 	new_itm = local_cpu_data->itm_next;
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@@ -382,13 +391,6 @@
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 	return now;
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 }
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-
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-static struct irqaction timer_irqaction = {
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-	.handler =	timer_interrupt,
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-	.flags =	IRQF_IRQPOLL,
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-	.name =		"timer"
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-};
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-
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 void read_persistent_clock64(struct timespec64 *ts)
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 {
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 	efi_gettimeofday(ts);
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@@ -397,7 +399,8 @@
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 void __init
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 time_init (void)
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 {
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-	register_percpu_irq(IA64_TIMER_VECTOR, &timer_irqaction);
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+	register_percpu_irq(IA64_TIMER_VECTOR, timer_interrupt, IRQF_IRQPOLL,
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+			    "timer");
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 	ia64_init_itm();
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 }
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