On 23.01.2018 12:14, Peter Maydell wrote: > On 23 January 2018 at 10:34, Christian Ehrhardt > <christian.ehrha...@canonical.com> wrote: >> Also adding Suraj for a statement in this regard about his "[QEMU-PPC] >> [PATCH V5 0/7] target/ppc: Rework spapr_caps" series which I think is >> the PPC version of all of this right? >> Not sure who to add for Arm :-/ > > AIUI for Arm no QEMU changes should be required -- KVM VMs always > use the same CPU type as the host, and the kernel always exposes > the same MIDR (main ID register) value to the guest as the host has, > and the guest kernel fixes will key off the MIDR.
Unrelated, but how can ARM make sure that migration back and forth works reliably? (e.g. from a system with spectre fixes to a system without spectre fixes) Thanks! > > thanks > -- PMM > -- Thanks, David / dhildenb
