[Xen-devel] [PATCH] VT-d: drop unneeded Ivybridge quirk workaround

["Jan Beulich" <JBeulich@xxxxxxxx>]

We've been told by Intel that server chipsets don't need the workaround
anymore starting with Ivybridge (Xeon E5/E7 v2); the second half of the
workaround was missing anyway.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/xen/drivers/passthrough/vtd/quirks.c
+++ b/xen/drivers/passthrough/vtd/quirks.c
@@ -432,7 +432,6 @@ void pci_vtd_quirk(const struct pci_dev
      *   - This can cause system failure upon non-fatal VT-d faults.
      *   - Potential security issue if malicious guest trigger VT-d faults.
      */
-    case 0x0e28: /* Xeon-E5v2 (IvyBridge) */
     case 0x342e: /* Tylersburg chipset (Nehalem / Westmere systems) */
     case 0x3728: /* Xeon C5500/C3500 (JasperForest) */
     case 0x3c28: /* Sandybridge */




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