The MSI-X Table structure may be at a non-zero offset into the device BAR, and we should account for that. Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> CC: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> --- arch/x86/pci/xen.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 94e7662..0e8a196 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -300,8 +300,10 @@ 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); + table_offset &= PCI_MSIX_TABLE_OFFSET; - map_irq.table_base = pci_resource_start(dev, bir); + map_irq.table_base = pci_resource_start(dev, bir) + + table_offset; map_irq.entry_nr = msidesc->msi_attrib.entry_nr; } -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
