[v4 2/3] x86, irq: Implement irq_set_vcpu_affinity for pci_msi_ir_controller

From: Feng Wu
Date: Thu Apr 30 2015 - 03:15:29 EST


Implement irq_set_vcpu_affinity for pci_msi_ir_controller.

Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx>
Reviewed-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
---
arch/x86/kernel/apic/msi.c | 1 +
include/linux/irq.h | 2 ++
2 files changed, 3 insertions(+)

diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c
index 58fde66..d2d95e2 100644
--- a/arch/x86/kernel/apic/msi.c
+++ b/arch/x86/kernel/apic/msi.c
@@ -152,6 +152,7 @@ static struct irq_chip pci_msi_ir_controller = {
.irq_mask = pci_msi_mask_irq,
.irq_ack = irq_chip_ack_parent,
.irq_retrigger = irq_chip_retrigger_hierarchy,
+ .irq_set_vcpu_affinity = irq_chip_set_vcpu_affinity_parent,
.flags = IRQCHIP_SKIP_SET_WAKE,
};

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 684c35d..cb688fb 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -471,6 +471,8 @@ extern int irq_chip_set_affinity_parent(struct irq_data *data,
const struct cpumask *dest,
bool force);
extern int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on);
+extern int irq_chip_set_vcpu_affinity_parent(struct irq_data *data,
+ void *vcpu_info);
#endif

/* Handling of unhandled and spurious interrupts: */
--
2.1.0

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