Commit-ID: fcf1ae2f7a044cda9956ec7afb487296afff058e
Gitweb: http://git.kernel.org/tip/fcf1ae2f7a044cda9956ec7afb487296afff058e
Author: Feng Wu <feng.wu@xxxxxxxxx>
AuthorDate: Sat, 3 Oct 2015 16:20:38 +0800
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Fri, 9 Oct 2015 22:47:27 +0200
genirq: Make irq_set_vcpu_affinity available for CONFIG_SMP=n
irq_set_vcpu_affinity() is needed when CONFIG_SMP=n, so move the
definition out of "#ifdef CONFIG_SMP"
Suggested-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx>
Cc: jiang.liu@xxxxxxxxxxxxxxx
Cc: pbonzini@xxxxxxxxxx
Link: http://lkml.kernel.org/r/1443860438-144926-1-git-send-email-feng.wu@xxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
kernel/irq/manage.c | 62 ++++++++++++++++++++++++++---------------------------
1 file changed, 31 insertions(+), 31 deletions(-)
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 0a63c2b..312f9cb 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -258,37 +258,6 @@ int irq_set_affinity_hint(unsigned int irq, const struct cpumask *m)
}
EXPORT_SYMBOL_GPL(irq_set_affinity_hint);
-/**
- * irq_set_vcpu_affinity - Set vcpu affinity for the interrupt
- * @irq: interrupt number to set affinity
- * @vcpu_info: vCPU specific data
- *
- * This function uses the vCPU specific data to set the vCPU
- * affinity for an irq. The vCPU specific data is passed from
- * outside, such as KVM. One example code path is as below:
- * KVM -> IOMMU -> irq_set_vcpu_affinity().
- */
-int irq_set_vcpu_affinity(unsigned int irq, void *vcpu_info)
-{
- unsigned long flags;
- struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0);
- struct irq_data *data;
- struct irq_chip *chip;
- int ret = -ENOSYS;
-
- if (!desc)
- return -EINVAL;
-
- data = irq_desc_get_irq_data(desc);
- chip = irq_data_get_irq_chip(data);
- if (chip && chip->irq_set_vcpu_affinity)
- ret = chip->irq_set_vcpu_affinity(data, vcpu_info);
- irq_put_desc_unlock(desc, flags);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(irq_set_vcpu_affinity);
-
static void irq_affinity_notify(struct work_struct *work)
{
struct irq_affinity_notify *notify =
@@ -424,6 +393,37 @@ setup_affinity(struct irq_desc *desc, struct cpumask *mask)
}
#endif
+/**
+ * irq_set_vcpu_affinity - Set vcpu affinity for the interrupt
+ * @irq: interrupt number to set affinity
+ * @vcpu_info: vCPU specific data
+ *
+ * This function uses the vCPU specific data to set the vCPU
+ * affinity for an irq. The vCPU specific data is passed from
+ * outside, such as KVM. One example code path is as below:
+ * KVM -> IOMMU -> irq_set_vcpu_affinity().
+ */
+int irq_set_vcpu_affinity(unsigned int irq, void *vcpu_info)
+{
+ unsigned long flags;
+ struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0);
+ struct irq_data *data;
+ struct irq_chip *chip;
+ int ret = -ENOSYS;
+
+ if (!desc)
+ return -EINVAL;
+
+ data = irq_desc_get_irq_data(desc);
+ chip = irq_data_get_irq_chip(data);
+ if (chip && chip->irq_set_vcpu_affinity)
+ ret = chip->irq_set_vcpu_affinity(data, vcpu_info);
+ irq_put_desc_unlock(desc, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(irq_set_vcpu_affinity);
+
void __disable_irq(struct irq_desc *desc)
{
if (!desc->depth++)
--
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