[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [Patch 01/30] qmp: details about CPU definitions in que
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [Patch 01/30] qmp: details about CPU definitions in query-cpu-definitions |
Date: |
Mon, 29 Aug 2016 09:47:01 -0500 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
On 08/29/2016 05:13 AM, David Hildenbrand wrote:
> It might be of interest for tooling whether a CPU definition can be safely
> used when migrating, or if e.g. CPU features might get lost during
> migration when migrationg from/to a different QEMU version or host, even if
> the same compatibility machine is used.
>
> Also, we want to know if a CPU definition is static and will never change.
> Beause these definitions can then be used independantly of a compatibility
> machine and will always have the same feature set, they can e.g. be used
> to indicate the "host" model in libvirt later on.
>
> Let's add two return values to query-cpu-definitions, stating for each
> returned CPU definition, if it is migration-safe and if it is static.
>
> While "migration-safe" is optional, "static" will be set to "false"
> automatically by all implementing architectures. If a model really was
> static all the time and will be in the future, this can simply be changed
> later.
>
> Signed-off-by: David Hildenbrand <address@hidden>
> ---
> qapi-schema.json | 14 +++++++++++++-
> 1 file changed, 13 insertions(+), 1 deletion(-)
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
signature.asc
Description: OpenPGP digital signature
- [Qemu-devel] [Patch v3 00/30] s390x CPU models: exposing features, David Hildenbrand, 2016/08/24
- [Qemu-devel] [Patch v3 23/30] s390x/kvm: let the CPU model control CMM(A), David Hildenbrand, 2016/08/24
- [Qemu-devel] [Patch v3 15/30] s390x/sclp: indicate sclp features, David Hildenbrand, 2016/08/24
- [Qemu-devel] [Patch v3 19/30] linux-headers: update against kvm/next, David Hildenbrand, 2016/08/24
- [Qemu-devel] [Patch v3 05/30] s390x/cpumodel: generate CPU feature lists for CPU models, David Hildenbrand, 2016/08/24
- [Qemu-devel] [Patch v3 14/30] s390x/sclp: introduce sclp feature blocks, David Hildenbrand, 2016/08/24
- [Qemu-devel] [Patch v3 10/30] s390x/cpumodel: expose features and feature groups as properties, David Hildenbrand, 2016/08/24
- [Qemu-devel] [Patch v3 07/30] s390x/cpumodel: introduce CPU feature group definitions, David Hildenbrand, 2016/08/24
- [Qemu-devel] [Patch v3 04/30] s390x/cpumodel: introduce CPU features, David Hildenbrand, 2016/08/24
- [Qemu-devel] [Patch v3 12/30] s390x/cpumodel: check and apply the CPU model, David Hildenbrand, 2016/08/24
- [Qemu-devel] [Patch v3 13/30] s390x/sclp: factor out preparation of cpu entries, David Hildenbrand, 2016/08/24