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authorThomas Gleixner <tglx@linutronix.de>2017-08-28 08:47:16 +0200
committerIngo Molnar <mingo@kernel.org>2017-08-29 11:42:20 +0200
commit69de72ec6db950c436e36b94cf05eeb9e11ee144 (patch)
treef715c386a7b05836c1c1f431957f96338e649681 /arch/x86/kernel
parent416b0c0faf634abc09568885cb95266ce669c606 (diff)
downloadtalos-op-linux-69de72ec6db950c436e36b94cf05eeb9e11ee144.tar.gz
talos-op-linux-69de72ec6db950c436e36b94cf05eeb9e11ee144.zip
x86/irq: Remove vector_used_by_percpu_irq()
Last user (lguest) is gone. Remove it. Signed-off-by: Thomas 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: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/irq.c2
-rw-r--r--arch/x86/kernel/irqinit.c12
2 files changed, 0 insertions, 14 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 4ed0aba8dbc8..e6073a0ce77e 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -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()
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index c7fd18526c3e..6537cfe2cb1d 100644
--- 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;
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