Re: [Qemu-devel] [PATCH v3 1/2] kvm: support -dedicated cpu-pm=on|off

[Michael S. Tsirkin]

On Tue, Jun 19, 2018 at 05:07:46PM -0500, Eric Blake wrote:
> On 06/19/2018 10:17 AM, Paolo Bonzini wrote:
> > On 16/06/2018 00:29, Michael S. Tsirkin wrote:
> > > +static QemuOptsList qemu_dedicated_opts = {
> > > +    .name = "dedicated",
> > > +    .head = QTAILQ_HEAD_INITIALIZER(qemu_dedicated_opts.head),
> > > +    .desc = {
> > > +        {
> > > +            .name = "mem-lock",
> > > +            .type = QEMU_OPT_BOOL,
> > > +        },
> > > +        {
> > > +            .name = "cpu-pm",
> > > +            .type = QEMU_OPT_BOOL,
> > > +        },
> > > +        { /* end of list */ }
> > > +    },
> > > +};
> > > +
> > 
> > Let the bikeshedding begin!
> > 
> > 1) Should we deprecate -realtime?
> > 
> > 2) Maybe -hostresource?
> 
> What further things might we add in the future?
> 
> -dedicated sounds wrong (it is an adjective, while most of our options are
> nouns - thing -machine, -drive, -object, ...)
> 
> -hostresource at least sounds like a noun, but is long to type.  But at
> least '-hostresource cpu-pm=on' reads reasonably well.

Yes but host resource what? I feel it says nothing at all about what
one can expect to find in this flag.

> About the only other noun I could think of would be '-feature cpu-pm=on'.

If we have nothing at all to say about what is grouping these things,
we don't need a new flag. We can make it a machine property.

It's user's hint that some host resource is dedicated to a VM.


> -- 
> Eric Blake, Principal Software Engineer
> Red Hat, Inc.           +1-919-301-3266
> Virtualization:  qemu.org | libvirt.org