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x86/irq: Rename VECTOR_UNDEFINED to VECTOR_UNUSED

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VECTOR_UNDEFINED is a misnomer. The vector is defined, but unused.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Link: http://lkml.kernel.org/r/20150802203609.477282494@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2015-08-02 20:38:25 +00:00
parent 24c70e07a0
commit 7276c6a2cb
4 changed files with 14 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
arch/x86/kernel/apic/vector.c
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@@ -169,8 +169,7 @@ next:
goto next;
for_each_cpu_and(new_cpu, vector_cpumask, cpu_online_mask) {
if (per_cpu(vector_irq, new_cpu)[vector] >
VECTOR_UNDEFINED)
if (per_cpu(vector_irq, new_cpu)[vector] > VECTOR_UNUSED)
goto next;
}
/* Found one! */
@@ -232,7 +231,7 @@ static void clear_irq_vector(int irq, struct apic_chip_data *data)
vector = data->cfg.vector;
for_each_cpu_and(cpu, data->domain, cpu_online_mask)
per_cpu(vector_irq, cpu)[vector] = VECTOR_UNDEFINED;
per_cpu(vector_irq, cpu)[vector] = VECTOR_UNUSED;
data->cfg.vector = 0;
cpumask_clear(data->domain);
@@ -247,7 +246,7 @@ static void clear_irq_vector(int irq, struct apic_chip_data *data)
vector++) {
if (per_cpu(vector_irq, cpu)[vector] != irq)
continue;
per_cpu(vector_irq, cpu)[vector] = VECTOR_UNDEFINED;
per_cpu(vector_irq, cpu)[vector] = VECTOR_UNUSED;
break;
}
}
@@ -423,12 +422,12 @@ static void __setup_vector_irq(int cpu)
/* Mark the free vectors */
for (vector = 0; vector < NR_VECTORS; ++vector) {
irq = per_cpu(vector_irq, cpu)[vector];
if (irq <= VECTOR_UNDEFINED)
if (irq <= VECTOR_UNUSED)
continue;
data = apic_chip_data(irq_get_irq_data(irq));
if (!cpumask_test_cpu(cpu, data->domain))
per_cpu(vector_irq, cpu)[vector] = VECTOR_UNDEFINED;
per_cpu(vector_irq, cpu)[vector] = VECTOR_UNUSED;
}
}
@@ -552,7 +551,7 @@ asmlinkage __visible void smp_irq_move_cleanup_interrupt(void)
retry:
irq = __this_cpu_read(vector_irq[vector]);
if (irq <= VECTOR_UNDEFINED)
if (irq <= VECTOR_UNUSED)
continue;
desc = irq_to_desc(irq);
@@ -592,7 +591,7 @@ asmlinkage __visible void smp_irq_move_cleanup_interrupt(void)
apic->send_IPI_self(IRQ_MOVE_CLEANUP_VECTOR);
goto unlock;
}
__this_cpu_write(vector_irq[vector], VECTOR_UNDEFINED);
__this_cpu_write(vector_irq[vector], VECTOR_UNUSED);
unlock:
raw_spin_unlock(&desc->lock);
}