Re: [qemu-s390x] [Qemu-devel] [PULL 0/8] x86 queue, 2018-01-17

[David Hildenbrand]

On 23.01.2018 12:14, Peter Maydell wrote:
> On 23 January 2018 at 10:34, Christian Ehrhardt
> <address@hidden> 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