[Xen-devel] [PATCH 5/6] xen-pt: Hide MSI-X from xen stubdoms

[Jason Andryuk <jandryuk@xxxxxxxxx>]

MSI-X is not supported in Xen stubdoms, so it must be disabled.  Use the
existing xen_pt_hide_dev_cap to hide when running under -xen-stubdom.

A compile-time patch was originally written by James McKenzie
<james.mckenzie@xxxxxxxxxxx>

Signed-off-by: Jason Andryuk <jandryuk@xxxxxxxxx>
---
 hw/xen/xen_pt_config_init.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c
index 31ec5add1d..b827a493ea 100644
--- a/hw/xen/xen_pt_config_init.c
+++ b/hw/xen/xen_pt_config_init.c
@@ -54,6 +54,9 @@ static int xen_pt_hide_dev_cap(const XenHostPCIDevice *d, 
uint8_t grp_id)
             return 1;
         }
         break;
+    case PCI_CAP_ID_MSIX:
+        /* stubdoms don't support MSI-X so skip it. */
+        return xen_stubdom_enabled();
     }
     return 0;
 }
-- 
2.20.1


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