diff options
Diffstat (limited to 'xen')
| -rw-r--r-- | xen/drivers/passthrough/amd/iommu_guest.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/xen/drivers/passthrough/amd/iommu_guest.c b/xen/drivers/passthrough/amd/iommu_guest.c index 30b7353cd6..2a3def9a5d 100644 --- a/xen/drivers/passthrough/amd/iommu_guest.c +++ b/xen/drivers/passthrough/amd/iommu_guest.c @@ -70,7 +70,8 @@ static void guest_iommu_disable(struct guest_iommu *iommu) static uint64_t get_guest_cr3_from_dte(struct amd_iommu_dte *dte) { - return ((dte->gcr3_trp_51_31 << 31) | (dte->gcr3_trp_30_15 << 15) | + return (((uint64_t)dte->gcr3_trp_51_31 << 31) | + (dte->gcr3_trp_30_15 << 15) | (dte->gcr3_trp_14_12 << 12)) >> PAGE_SHIFT; } |