Commit 6cb99acc authored by Peter Xu's avatar Peter Xu Committed by Michael S. Tsirkin
Browse files

intel_iommu: fix incorrect device invalidate 



"mask" needs to be inverted before use.

Signed-off-by: default avatarPeter Xu <peterx@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 5449c230

hw/i386/intel_iommu.c

+1 −0
Original line number Diff line number Diff line
@@ -988,6 +988,7 @@ static void vtd_context_device_invalidate(IntelIOMMUState *s, 
        mask = 7;   /* Mask bit 2:0 in the SID field */

        break;

    }

    mask = ~mask;

    VTD_DPRINTF(INV, "device-selective invalidation source 0x%"PRIx16

                    " mask %"PRIu16, source_id, mask);

    vtd_bus = vtd_find_as_from_bus_num(s, VTD_SID_TO_BUS(source_id));