| Message ID | 20240125073706.339369-3-zhenzhong.duan@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Two minor fixes on virtio-iommu and smmu | expand |
diff --git a/hw/arm/smmu-common.c b/hw/arm/smmu-common.c index 9a8ac45431..f58261bb81 100644 --- a/hw/arm/smmu-common.c +++ b/hw/arm/smmu-common.c @@ -675,6 +675,8 @@ static void smmu_base_reset_hold(Object *obj) { SMMUState *s = ARM_SMMU(obj); + memset(s->smmu_pcibus_by_bus_num, 0, sizeof(s->smmu_pcibus_by_bus_num)); + g_hash_table_remove_all(s->configs); g_hash_table_remove_all(s->iotlb); }
s->smmu_pcibus_by_bus_num is a SMMUPciBus pointer cache indexed by bus number, bus number may not always be a fixed value, i.e., guest reboot to different kernel which set bus number with different algorithm. This could lead to smmu_iommu_mr() providing the wrong iommu MR. Suggested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> --- hw/arm/smmu-common.c | 2 ++ 1 file changed, 2 insertions(+)