
3 Dec
2016
3 Dec
'16
1:02 a.m.
On 03/12/16 08:41, Benjamin Herrenschmidt wrote:
On Fri, 2016-12-02 at 16:50 +1100, David Gibson wrote:
Uh.. I don't entirely follow you. From the host point of view there are multiple iommu groups (PEs), but from the guest point of view there's only one. On the guest side iommu granularity is always per-vPHB.
Ok so the H_PUT_TCE calls affect all the underlying tables ?
Yes, it updates all hardware tables attached to the same guest's LIOBN (which in reality can only be seen on power7 as power8 shares tables between PEs). -- Alexey