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Re: [Qemu-devel] [PATCH V2 for-2.3] util/qemu-config: fix regression of
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH V2 for-2.3] util/qemu-config: fix regression of qmp_query_command_line_options |
Date: |
Wed, 01 Apr 2015 11:29:49 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 |
On 04/01/2015 10:47 AM, Marcel Apfelbaum wrote:
> Commit 49d2e64 (machine: remove qemu_machine_opts global list)
> made machine options specific to machine sub-type, leaving
> the qemu_machine_opts desc array empty. Sadly this is the place
> qmp_query_command_line_options is looking for supported options.
>
> As a fix for for 2.3 the machine_qemu_opts (the generic ones)
> are restored only for qemu-config scope.
> We need to find a better fix for 2.4.
>
> Reported-by: Tony Krowiak <address@hidden>
> Signed-off-by: Marcel Apfelbaum <address@hidden>
> ---
> + },{
> + .name = "firmware",
> + .type = QEMU_OPT_STRING,
> + .help = "firmware image",
> + },{
> + .name = "iommu",
> + .type = QEMU_OPT_BOOL,
> + .help = "Set on/off to enable/disable Intel IOMMU (VT-d)",
> + },{
> + .name = "suppress-vmdesc",
> + .type = QEMU_OPT_BOOL,
> + .help = "Set on to disable self-describing migration",
> + },
No longer a strict superset of the Fedora 21 qemu-kvm, which had:
"parameters": [
{
"name": "max-ram-below-4g",
"help": "maximum ram below the 4G boundary (32bit
boundary)"
,
"type": "size"
},
{
"name": "kvm-type",
"help": "Specifies the KVM virtualization mode (HV,
PR)",
"type": "string"
},
{
"name": "firmware",
"help": "firmware image",
"type": "string"
},
(remembering that query-command-line-options does things in reverse
order). I don't think iommu and suppress-vmdesc hurt to add, but we
shouldn't lose kvm-type or max-ram-below-4g, if those were advertised at
the point prior to the QemuOpts conversion. (I didn't actually
research, though, whether I'm comparing against downstream Fedora
qemu-kvm patches instead of upstream...)
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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