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-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 0abef940b67b..33c57e773920 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -5672,6 +5672,26 @@ int megasas_get_device_list(struct megasas_instance *instance)
return SUCCESS;
}
+/**
+ * megasas_set_high_iops_queue_affinity_hint - Set affinity hint for high IOPS queues
+ * @instance: Adapter soft state
+ * return: void
+ */
+static inline void
+megasas_set_high_iops_queue_affinity_hint(struct megasas_instance *instance)
+{
+ int i;
+ int local_numa_node;
+
+ if (instance->balanced_mode) {
+ local_numa_node = dev_to_node(&instance->pdev->dev);
+
+ for (i = 0; i < instance->low_latency_index_start; i++)
+ irq_set_affinity_hint(pci_irq_vector(instance->pdev, i),
+ cpumask_of_node(local_numa_node));
+ }
+}
+
static int
__megasas_alloc_irq_vectors(struct megasas_instance *instance)
{
@@ -5729,6 +5749,8 @@ megasas_alloc_irq_vectors(struct megasas_instance *instance)
else
instance->msix_vectors = 0;
+ if (instance->smp_affinity_enable)
+ megasas_set_high_iops_queue_affinity_hint(instance);
}
/**