The driver has a special purpose for the vmd device's first, so this
one shouldn't be considered for irq affinity.
Signed-off-by: Keith Busch <keith.busch@xxxxxxxxx>
---
drivers/pci/host/vmd.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/host/vmd.c b/drivers/pci/host/vmd.c
index e27ad2a..8cddf30 100644
--- a/drivers/pci/host/vmd.c
+++ b/drivers/pci/host/vmd.c
@@ -662,6 +662,14 @@ static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id)
struct vmd_dev *vmd;
int i, err;
+ /*
+ * The first vector is reserved for special use, so start affinity at
+ * the second vector
+ */
+ struct irq_affinity affd = {
+ .pre_vectors = 1,
+ };
+
if (resource_size(&dev->resource[VMD_CFGBAR]) < (1 << 20))
return -ENOMEM;
@@ -687,8 +695,8 @@ static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id)
if (vmd->msix_count < 0)
return -ENODEV;
- vmd->msix_count = pci_alloc_irq_vectors(dev, 1, vmd->msix_count,
- PCI_IRQ_MSIX | PCI_IRQ_AFFINITY);
+ vmd->msix_count = pci_alloc_irq_vectors_affinity(dev, 1, vmd->msix_count,
+ PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, &affd);
if (vmd->msix_count < 0)
return vmd->msix_count;
--
2.5.5
