xen/pci: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK

PCI_MSIX_FLAGS_BIRMASK is mis-named because the BIR mask is in the
Table Offset register, not the flags ("Message Control" per spec)
register.

Acked-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index 4a9be6ddf054..82c62d689da8 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -299,7 +299,7 @@ static int xen_initdom_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
 
                         pci_read_config_dword(dev, pos + PCI_MSIX_TABLE,
                                               &table_offset);
-                        bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK);
+                        bir = (u8)(table_offset & PCI_MSIX_TABLE_BIR);
 
                         map_irq.table_base = pci_resource_start(dev, bir);
                         map_irq.entry_nr = msidesc->msi_attrib.entry_nr;