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path: root/arch/x86/kernel/apic/vector.c
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Diffstat (limited to 'arch/x86/kernel/apic/vector.c')
-rw-r--r--arch/x86/kernel/apic/vector.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index a947b46a8b64..bddc54465399 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -134,13 +134,20 @@ static void apic_update_irq_cfg(struct irq_data *irqd, unsigned int vector,
apicd->hw_irq_cfg.vector = vector;
apicd->hw_irq_cfg.dest_apicid = apic->calc_dest_apicid(cpu);
+
+ apic_update_vector(cpu, vector, true);
+
irq_data_update_effective_affinity(irqd, cpumask_of(cpu));
- trace_vector_config(irqd->irq, vector, cpu,
- apicd->hw_irq_cfg.dest_apicid);
+ trace_vector_config(irqd->irq, vector, cpu, apicd->hw_irq_cfg.dest_apicid);
}
-static void apic_update_vector(struct irq_data *irqd, unsigned int newvec,
- unsigned int newcpu)
+static void apic_free_vector(unsigned int cpu, unsigned int vector, bool managed)
+{
+ apic_update_vector(cpu, vector, false);
+ irq_matrix_free(vector_matrix, cpu, vector, managed);
+}
+
+static void chip_data_update(struct irq_data *irqd, unsigned int newvec, unsigned int newcpu)
{
struct apic_chip_data *apicd = apic_chip_data(irqd);
struct irq_desc *desc = irq_data_to_desc(irqd);
@@ -174,8 +181,7 @@ static void apic_update_vector(struct irq_data *irqd, unsigned int newvec,
apicd->prev_cpu = apicd->cpu;
WARN_ON_ONCE(apicd->cpu == newcpu);
} else {
- irq_matrix_free(vector_matrix, apicd->cpu, apicd->vector,
- managed);
+ apic_free_vector(apicd->cpu, apicd->vector, managed);
}
setnew:
@@ -261,7 +267,7 @@ assign_vector_locked(struct irq_data *irqd, const struct cpumask *dest)
trace_vector_alloc(irqd->irq, vector, resvd, vector);
if (vector < 0)
return vector;
- apic_update_vector(irqd, vector, cpu);
+ chip_data_update(irqd, vector, cpu);
return 0;
}
@@ -337,7 +343,7 @@ assign_managed_vector(struct irq_data *irqd, const struct cpumask *dest)
trace_vector_alloc_managed(irqd->irq, vector, vector);
if (vector < 0)
return vector;
- apic_update_vector(irqd, vector, cpu);
+ chip_data_update(irqd, vector, cpu);
return 0;
}
@@ -357,7 +363,7 @@ static void clear_irq_vector(struct irq_data *irqd)
apicd->prev_cpu);
per_cpu(vector_irq, apicd->cpu)[vector] = VECTOR_SHUTDOWN;
- irq_matrix_free(vector_matrix, apicd->cpu, vector, managed);
+ apic_free_vector(apicd->cpu, vector, managed);
apicd->vector = 0;
/* Clean up move in progress */
@@ -366,7 +372,7 @@ static void clear_irq_vector(struct irq_data *irqd)
return;
per_cpu(vector_irq, apicd->prev_cpu)[vector] = VECTOR_SHUTDOWN;
- irq_matrix_free(vector_matrix, apicd->prev_cpu, vector, managed);
+ apic_free_vector(apicd->prev_cpu, vector, managed);
apicd->prev_vector = 0;
apicd->move_in_progress = 0;
hlist_del_init(&apicd->clist);
@@ -905,7 +911,7 @@ static void free_moved_vector(struct apic_chip_data *apicd)
* affinity mask comes online.
*/
trace_vector_free_moved(apicd->irq, cpu, vector, managed);
- irq_matrix_free(vector_matrix, cpu, vector, managed);
+ apic_free_vector(cpu, vector, managed);
per_cpu(vector_irq, cpu)[vector] = VECTOR_UNUSED;
hlist_del_init(&apicd->clist);
apicd->prev_vector = 0;