From: Frederic Barrat <[email protected]> Skip triggering an LSI when the AER root error status is updated if no LSI is defined for the device. We can have a root bridge with no LSI, MSI and MSI-X defined, for example on POWER systems.
Signed-off-by: Frederic Barrat <[email protected]> Message-Id: <[email protected]> Reviewed-by: Michael S. Tsirkin <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]> Reviewed-by: Cédric Le Goater <[email protected]> --- hw/pci/pcie_aer.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/pci/pcie_aer.c b/hw/pci/pcie_aer.c index 27f9cc56af..e1a8a88c8c 100644 --- a/hw/pci/pcie_aer.c +++ b/hw/pci/pcie_aer.c @@ -774,7 +774,9 @@ void pcie_aer_root_write_config(PCIDevice *dev, uint32_t root_cmd = pci_get_long(aer_cap + PCI_ERR_ROOT_COMMAND); /* 6.2.4.1.2 Interrupt Generation */ if (!msix_enabled(dev) && !msi_enabled(dev)) { - pci_set_irq(dev, !!(root_cmd & enabled_cmd)); + if (pci_intx(dev) != -1) { + pci_set_irq(dev, !!(root_cmd & enabled_cmd)); + } return; } -- MST
