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Re: [Qemu-devel] [PATCH 3/6] qmp: Add "alias-of" field to query-cpu-defi
From: |
Daniel P . Berrangé |
Subject: |
Re: [Qemu-devel] [PATCH 3/6] qmp: Add "alias-of" field to query-cpu-definitions |
Date: |
Tue, 25 Jun 2019 17:15:33 +0100 |
User-agent: |
Mutt/1.11.4 (2019-03-13) |
On Tue, Jun 25, 2019 at 02:00:05AM -0300, Eduardo Habkost wrote:
> Management software will be expected to resolve CPU model name
> aliases using the new field.
>
> Signed-off-by: Eduardo Habkost <address@hidden>
> ---
> Cc: Eric Blake <address@hidden>
> Cc: Markus Armbruster <address@hidden>
> ---
> qapi/target.json | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/qapi/target.json b/qapi/target.json
> index 1d4d54b600..0197c7962c 100644
> --- a/qapi/target.json
> +++ b/qapi/target.json
> @@ -475,6 +475,12 @@
> # to introspect properties configurable using -cpu or -global.
> # (since 2.9)
> #
> +# @alias-of: Name of CPU model this model is an alias for. The target of the
> +# CPU model alias may change depending on the machine type.
> +# Management software is supposed to translate CPU model aliases
> +# in the VM configuration, because aliases may stop being
> +# migration-safe in the future (since 4.1)
> +#
> # @unavailable-features is a list of QOM property names that
> # represent CPU model attributes that prevent the CPU from running.
> # If the QOM property is read-only, that means there's no known
> @@ -498,7 +504,8 @@
> '*migration-safe': 'bool',
> 'static': 'bool',
> '*unavailable-features': [ 'str' ],
> - 'typename': 'str' },
> + 'typename': 'str',
> + '*alias-of' : 'str' },
> 'if': 'defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_I386)
> || defined(TARGET_S390X) || defined(TARGET_MIPS)' }
IIUC, this means that data for a "Haswell" CPU model will now report
"alias-of": "Haswell-NNN" (for some arbitrary NNN which may change
at will in any release).
Regards,
Daniel
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- [Qemu-devel] [PATCH 0/6] x86 CPU model versioning, Eduardo Habkost, 2019/06/25
- [Qemu-devel] [PATCH 1/6] i386: Add x-force-features option for testing, Eduardo Habkost, 2019/06/25
- [Qemu-devel] [PATCH 2/6] i386: Remove unused host_cpudef variable, Eduardo Habkost, 2019/06/25
- [Qemu-devel] [PATCH 3/6] qmp: Add "alias-of" field to query-cpu-definitions, Eduardo Habkost, 2019/06/25
- Re: [Qemu-devel] [PATCH 3/6] qmp: Add "alias-of" field to query-cpu-definitions,
Daniel P . Berrangé <=
- [Qemu-devel] [PATCH 4/6] i386: Infrastructure for versioned CPU models, Eduardo Habkost, 2019/06/25
- Re: [Qemu-devel] [PATCH 4/6] i386: Infrastructure for versioned CPU models, Dr. David Alan Gilbert, 2019/06/25
- Re: [Qemu-devel] [PATCH 4/6] i386: Infrastructure for versioned CPU models, Eduardo Habkost, 2019/06/25
- Re: [Qemu-devel] [PATCH 4/6] i386: Infrastructure for versioned CPU models, Dr. David Alan Gilbert, 2019/06/25
- Re: [Qemu-devel] [PATCH 4/6] i386: Infrastructure for versioned CPU models, Eduardo Habkost, 2019/06/25
- Re: [Qemu-devel] [PATCH 4/6] i386: Infrastructure for versioned CPU models, Dr. David Alan Gilbert, 2019/06/25
- Re: [Qemu-devel] [PATCH 4/6] i386: Infrastructure for versioned CPU models, Eduardo Habkost, 2019/06/25
Re: [Qemu-devel] [PATCH 4/6] i386: Infrastructure for versioned CPU models, Daniel P . Berrangé, 2019/06/25