------- Comment From <email address hidden> 2016-10-06 03:23 EDT-------
The message means that KVM cannot accelerate TCE operations on one of DMA windows, in this particular case - the huge DMA window. Such support is not present in the HostOS as it is not in upstream kernel so there is a message.
------- Comment From <email address hidden> 2016-10-06 03:23 EDT-------
The message means that KVM cannot accelerate TCE operations on one of DMA windows, in this particular case - the huge DMA window. Such support is not present in the HostOS as it is not in upstream kernel so there is a message.
Commit 178a7875 tried adding VFIO KVM device but it did not on PPC64 book3s KVM due to a mistake, This - https:/ /git.kernel. org/cgit/ linux/kernel/ git/paulus/ powerpc. git/commit/ ?h=kvm- ppc-next& id=4b3d173d0440 d37534906b6d93c 02dfb577c68ce - does add it but it is not in upstream yet.