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-rw-r--r--drivers/xen/events.c11
-rw-r--r--drivers/xen/pcpu.c3
-rw-r--r--drivers/xen/swiotlb-xen.c4
-rw-r--r--drivers/xen/xen-acpi-pad.c3
-rw-r--r--drivers/xen/xen-pciback/pciback_ops.c14
5 files changed, 18 insertions, 17 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 0be4df39e953..22f77c5f6012 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -840,7 +840,7 @@ int bind_evtchn_to_irq(unsigned int evtchn)
if (irq == -1) {
irq = xen_allocate_irq_dynamic();
- if (irq == -1)
+ if (irq < 0)
goto out;
irq_set_chip_and_handler_name(irq, &xen_dynamic_chip,
@@ -944,7 +944,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
if (irq == -1) {
irq = xen_allocate_irq_dynamic();
- if (irq == -1)
+ if (irq < 0)
goto out;
irq_set_chip_and_handler_name(irq, &xen_percpu_chip,
@@ -1787,7 +1787,7 @@ void xen_callback_vector(void)
int rc;
uint64_t callback_via;
if (xen_have_vector_callback) {
- callback_via = HVM_CALLBACK_VECTOR(XEN_HVM_EVTCHN_CALLBACK);
+ callback_via = HVM_CALLBACK_VECTOR(HYPERVISOR_CALLBACK_VECTOR);
rc = xen_set_callback_via(callback_via);
if (rc) {
printk(KERN_ERR "Request for Xen HVM callback vector"
@@ -1798,8 +1798,9 @@ void xen_callback_vector(void)
printk(KERN_INFO "Xen HVM callback vector for event delivery is "
"enabled\n");
/* in the restore case the vector has already been allocated */
- if (!test_bit(XEN_HVM_EVTCHN_CALLBACK, used_vectors))
- alloc_intr_gate(XEN_HVM_EVTCHN_CALLBACK, xen_hvm_callback_vector);
+ if (!test_bit(HYPERVISOR_CALLBACK_VECTOR, used_vectors))
+ alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR,
+ xen_hvm_callback_vector);
}
}
#else
diff --git a/drivers/xen/pcpu.c b/drivers/xen/pcpu.c
index 067fcfa1723e..5a27a4599a4a 100644
--- a/drivers/xen/pcpu.c
+++ b/drivers/xen/pcpu.c
@@ -278,8 +278,7 @@ static int sync_pcpu(uint32_t cpu, uint32_t *max_cpu)
* Only those at cpu present map has its sys interface.
*/
if (info->flags & XEN_PCPU_FLAGS_INVALID) {
- if (pcpu)
- unregister_and_remove_pcpu(pcpu);
+ unregister_and_remove_pcpu(pcpu);
return 0;
}
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index af47e7594460..1d94316f0ea4 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -231,7 +231,9 @@ retry:
}
start_dma_addr = xen_virt_to_bus(xen_io_tlb_start);
if (early) {
- swiotlb_init_with_tbl(xen_io_tlb_start, xen_io_tlb_nslabs, verbose);
+ if (swiotlb_init_with_tbl(xen_io_tlb_start, xen_io_tlb_nslabs,
+ verbose))
+ panic("Cannot allocate SWIOTLB buffer");
rc = 0;
} else
rc = swiotlb_late_init_with_tbl(xen_io_tlb_start, xen_io_tlb_nslabs);
diff --git a/drivers/xen/xen-acpi-pad.c b/drivers/xen/xen-acpi-pad.c
index da39191e7278..c763479ed85e 100644
--- a/drivers/xen/xen-acpi-pad.c
+++ b/drivers/xen/xen-acpi-pad.c
@@ -140,8 +140,7 @@ static int acpi_pad_add(struct acpi_device *device)
return 0;
}
-static int acpi_pad_remove(struct acpi_device *device,
- int type)
+static int acpi_pad_remove(struct acpi_device *device)
{
mutex_lock(&xen_cpu_lock);
xen_acpi_pad_idle_cpus(0);
diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c
index 97f5d264c31e..37c1f825f513 100644
--- a/drivers/xen/xen-pciback/pciback_ops.c
+++ b/drivers/xen/xen-pciback/pciback_ops.c
@@ -135,7 +135,6 @@ int xen_pcibk_enable_msi(struct xen_pcibk_device *pdev,
struct pci_dev *dev, struct xen_pci_op *op)
{
struct xen_pcibk_dev_data *dev_data;
- int otherend = pdev->xdev->otherend_id;
int status;
if (unlikely(verbose_request))
@@ -144,8 +143,9 @@ int xen_pcibk_enable_msi(struct xen_pcibk_device *pdev,
status = pci_enable_msi(dev);
if (status) {
- printk(KERN_ERR "error enable msi for guest %x status %x\n",
- otherend, status);
+ pr_warn_ratelimited(DRV_NAME ": %s: error enabling MSI for guest %u: err %d\n",
+ pci_name(dev), pdev->xdev->otherend_id,
+ status);
op->value = 0;
return XEN_PCI_ERR_op_failed;
}
@@ -223,10 +223,10 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev,
pci_name(dev), i,
op->msix_entries[i].vector);
}
- } else {
- printk(KERN_WARNING DRV_NAME ": %s: failed to enable MSI-X: err %d!\n",
- pci_name(dev), result);
- }
+ } else
+ pr_warn_ratelimited(DRV_NAME ": %s: error enabling MSI-X for guest %u: err %d!\n",
+ pci_name(dev), pdev->xdev->otherend_id,
+ result);
kfree(entries);
op->value = result;