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Re: [Qemu-ppc] [qemu-s390x] [Qemu-devel] [PULL 0/8] x86 queue, 2018-01-1

From: David Hildenbrand
Subject: Re: [Qemu-ppc] [qemu-s390x] [Qemu-devel] [PULL 0/8] x86 queue, 2018-01-17
Date: Tue, 23 Jan 2018 17:40:57 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2

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
> -- PMM



David / dhildenb

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