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-rw-r--r--hw/ppc/spapr_iommu.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c
index f3990fdc32..e19bf89929 100644
--- a/hw/ppc/spapr_iommu.c
+++ b/hw/ppc/spapr_iommu.c
@@ -126,11 +126,11 @@ static MemoryRegionIOMMUOps spapr_iommu_ops = {
static int spapr_tce_table_realize(DeviceState *dev)
{
sPAPRTCETable *tcet = SPAPR_TCE_TABLE(dev);
+ uint64_t window_size = (uint64_t)tcet->nb_table << tcet->page_shift;
- if (kvm_enabled()) {
+ if (kvm_enabled() && !(window_size >> 32)) {
tcet->table = kvmppc_create_spapr_tce(tcet->liobn,
- tcet->nb_table <<
- tcet->page_shift,
+ window_size,
&tcet->fd,
tcet->vfio_accel);
}