[patch V3 01/44] x86/irq: Remove vector_used_by_percpu_irq()

Thomas Gleixner
2017-08-28T06:53:16Z

[-- Attachment #1: x86-irq--Remove-vector_used_by_percpu_irq--.patch --]
[-- Type: text/plain, Size: 1314 bytes --]

Last user (lguest) is gone. Remove it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/irq.h | 1 -
arch/x86/kernel/irq.c | 2 --
arch/x86/kernel/irqinit.c | 12 ------------
3 files changed, 15 deletions(-)

--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -44,7 +44,6 @@ extern __visible unsigned int do_IRQ(str

/* Interrupt vector management */
extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
-extern int vector_used_by_percpu_irq(unsigned int vector);

extern void init_ISA_irqs(void);

--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -346,8 +346,6 @@ EXPORT_SYMBOL_GPL(kvm_set_posted_intr_wa
set_irq_regs(old_regs);
}

-EXPORT_SYMBOL_GPL(vector_used_by_percpu_irq);
-
#ifdef CONFIG_HOTPLUG_CPU

/* These two declarations are only used in check_irq_vectors_for_cpu_disable()
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -55,18 +55,6 @@ DEFINE_PER_CPU(vector_irq_t, vector_irq)
[0 ... NR_VECTORS - 1] = VECTOR_UNUSED,
};

-int vector_used_by_percpu_irq(unsigned int vector)
-{
- int cpu;
-
- for_each_online_cpu(cpu) {
- if (!IS_ERR_OR_NULL(per_cpu(vector_irq, cpu)[vector]))
- return 1;
- }
-
- return 0;
-}
-
void __init init_ISA_irqs(void)
{
struct irq_chip *chip = legacy_pic->chip;