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-rw-r--r--arch/x86/pci/xen.c4
-rw-r--r--drivers/xen/events.c36
-rw-r--r--include/xen/events.h2
3 files changed, 10 insertions, 32 deletions
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index 15fd981d35f1..ffd8c7a2cdbb 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -106,7 +106,7 @@ static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
dev_dbg(&dev->dev,
"xen: msi already bound to pirq=%d\n", pirq);
}
- irq = xen_bind_pirq_msi_to_irq(dev, msidesc, pirq,
+ irq = xen_bind_pirq_msi_to_irq(dev, msidesc, pirq, 0,
(type == PCI_CAP_ID_MSIX) ?
"msi-x" : "msi");
if (irq < 0)
@@ -145,7 +145,7 @@ static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
goto error;
i = 0;
list_for_each_entry(msidesc, &dev->msi_list, list) {
- irq = xen_bind_pirq_msi_to_irq(dev, msidesc, v[i],
+ irq = xen_bind_pirq_msi_to_irq(dev, msidesc, v[i], 0,
(type == PCI_CAP_ID_MSIX) ?
"pcifront-msi-x" :
"pcifront-msi");
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 77ede77a9ee9..34469489087b 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -662,7 +662,7 @@ int xen_allocate_pirq_msi(struct pci_dev *dev, struct msi_desc *msidesc)
}
int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc,
- int pirq, const char *name)
+ int pirq, int vector, const char *name)
{
int irq, ret;
@@ -675,7 +675,7 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc,
set_irq_chip_and_handler_name(irq, &xen_pirq_chip,
handle_level_irq, name);
- irq_info[irq] = mk_pirq_info(0, pirq, 0, 0);
+ irq_info[irq] = mk_pirq_info(0, pirq, 0, vector);
pirq_to_irq[pirq] = irq;
ret = set_irq_msi(irq, msidesc);
if (ret < 0)
@@ -691,7 +691,6 @@ error_irq:
int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type)
{
- int ret, irq = -1;
struct physdev_map_pirq map_irq;
int rc;
int pos;
@@ -719,34 +718,13 @@ int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type)
rc = HYPERVISOR_physdev_op(PHYSDEVOP_map_pirq, &map_irq);
if (rc) {
dev_warn(&dev->dev, "xen map irq failed %d\n", rc);
- goto out;
+ return -1;
}
- spin_lock(&irq_mapping_update_lock);
-
- irq = xen_allocate_irq_dynamic();
-
- if (irq == -1)
- goto out;
-
- irq_info[irq] = mk_pirq_info(0, map_irq.pirq, 0, map_irq.index);
- pirq_to_irq[map_irq.pirq] = irq;
-
- set_irq_chip_and_handler_name(irq, &xen_pirq_chip,
- handle_level_irq,
- (type == PCI_CAP_ID_MSIX) ? "msi-x":"msi");
-
- ret = set_irq_msi(irq, msidesc);
- if (ret)
- goto out_irq;
-
-out:
- spin_unlock(&irq_mapping_update_lock);
- return irq;
-out_irq:
- spin_unlock(&irq_mapping_update_lock);
- xen_free_irq(irq);
- return -1;
+ return xen_bind_pirq_msi_to_irq(dev, msidesc,
+ map_irq.pirq, map_irq.index,
+ (type == PCI_CAP_ID_MSIX) ?
+ "msi-x" : "msi");
}
#endif
diff --git a/include/xen/events.h b/include/xen/events.h
index 18bf825bac66..45c08a0d580a 100644
--- a/include/xen/events.h
+++ b/include/xen/events.h
@@ -77,7 +77,7 @@ int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name);
#ifdef CONFIG_PCI_MSI
int xen_allocate_pirq_msi(struct pci_dev *dev, struct msi_desc *msidesc);
int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc,
- int pirq, const char *name);
+ int pirq, int vector, const char *name);
int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type);
#endif