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Commit 69de72ec authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Ingo Molnar
Browse files

x86/irq: Remove vector_used_by_percpu_irq()



Last user (lguest) is gone. Remove it.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20170828064956.201432430@linutronix.de


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 416b0c0f
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+0 −1
Original line number Diff line number Diff line
@@ -44,7 +44,6 @@ extern __visible unsigned int do_IRQ(struct pt_regs *regs);

/* 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);

+0 −2
Original line number Diff line number Diff line
@@ -346,8 +346,6 @@ __visible void __irq_entry smp_trace_x86_platform_ipi(struct pt_regs *regs)
	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()
+0 −12
Original line number Diff line number Diff line
@@ -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;