[RFC v1 26/28] x86, irq: Kill function apic_set_affinity()

[Jiang Liu]

Now there's no user of apic_set_affinity(), so kill it.
Also rename vector_set_affinity() to apic_set_affinity() for consistency.

Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
---
 arch/x86/include/asm/hw_irq.h |    2 --
 arch/x86/kernel/apic/vector.c |   40 +++-------------------------------------
 2 files changed, 3 insertions(+), 39 deletions(-)

diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index fdf8300dcc29..6c6002e386d4 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -185,8 +185,6 @@ extern void send_cleanup_vector(struct irq_cfg *);
 extern void irq_complete_move(struct irq_cfg *cfg);
 
 extern void apic_ack_edge(struct irq_data *data);
-extern int apic_set_affinity(struct irq_data *data, const struct cpumask *mask,
-			     unsigned int *dest_id);
 #else	/*  CONFIG_X86_LOCAL_APIC */
 static inline void lock_vector_lock(void) {}
 static inline void unlock_vector_lock(void) {}
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index ec2b991884f2..01311ddec2de 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -457,42 +457,8 @@ void apic_ack_edge(struct irq_data *data)
 	ack_APIC_irq();
 }
 
-/*
- * Either sets data->affinity to a valid value, and returns
- * ->cpu_mask_to_apicid of that in dest_id, or returns -1 and
- * leaves data->affinity untouched.
- */
-int apic_set_affinity(struct irq_data *data, const struct cpumask *mask,
-		      unsigned int *dest_id)
-{
-	struct irq_cfg *cfg = irqd_cfg(data);
-	unsigned int irq = data->irq;
-	int err;
-
-	if (!config_enabled(CONFIG_SMP))
-		return -EPERM;
-
-	if (!cpumask_intersects(mask, cpu_online_mask))
-		return -EINVAL;
-
-	err = assign_irq_vector(irq, cfg, mask);
-	if (err)
-		return err;
-
-	err = apic->cpu_mask_to_apicid_and(mask, cfg->domain, dest_id);
-	if (err) {
-		if (assign_irq_vector(irq, cfg, data->affinity))
-			pr_err("Failed to recover vector for irq %d\n", irq);
-		return err;
-	}
-
-	cpumask_copy(data->affinity, mask);
-
-	return 0;
-}
-
-static int vector_set_affinity(struct irq_data *irq_data,
-			       const struct cpumask *dest, bool force)
+static int apic_set_affinity(struct irq_data *irq_data,
+			     const struct cpumask *dest, bool force)
 {
 	int err;
 	int irq = irq_data->irq;
@@ -518,7 +484,7 @@ static int vector_set_affinity(struct irq_data *irq_data,
 
 static struct irq_chip vector_chip = {
 	.irq_ack = apic_ack_edge,
-	.irq_set_affinity = vector_set_affinity,
+	.irq_set_affinity = apic_set_affinity,
 	.irq_retrigger = apic_retrigger_irq,
 };
 
-- 
1.7.10.4

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