diff mbox series

[v3,4/8] s390x/pci: don't fence interpreted devices without MSI-X

Message ID 20220204211918.321924-5-mjrosato@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series s390x/pci: zPCI interpretation support | expand

Commit Message

Matthew Rosato Feb. 4, 2022, 9:19 p.m. UTC 
Lack of MSI-X support is not an issue for interpreted passthrough
devices, so let's let these in.  This will allow, for example, ISM
devices to be passed through -- but only when interpretation is
available and being used.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
---
 hw/s390x/s390-pci-bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index 4f89df18cd..316b969b5c 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -1099,7 +1099,7 @@  static void s390_pcihost_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
             pbdev->interp = false;
         }
 
-        if (s390_pci_msix_init(pbdev)) {
+        if (s390_pci_msix_init(pbdev) && !pbdev->interp) {
             error_setg(errp, "MSI-X support is mandatory "
                        "in the S390 architecture");
             return;