Re: [Qemu-devel] [RFC 0/2] GET_EMULATED_CPUID support with "allow-emulation" option

[Eduardo Habkost]

On Thu, Jun 05, 2014 at 01:45:06PM -0600, Eric Blake wrote:
> On 06/05/2014 01:24 PM, Borislav Petkov wrote:
> > On Thu, Jun 05, 2014 at 04:12:08PM -0300, Eduardo Habkost wrote:
> >> In the meantime, we could:
> >>
> >>  * Include the less fine-tuned "allow-emulation" (or
> >>    "allow-experimental-features") option, which is implemented by this
> >>    series, for people who use "enforce" and/or don't care too much about
> >>    getting other experimental features enabled.
> >>  * Wait until somebody implements "feature=force".
> > 
> > What are you going to do with "allow-emulation" after this? It will
> > become an API and you'll have to support it.
> 
> If you're worried about not needing the option forever, name it
> x-allow-emulation; we've already documented that anything with x- prefix
> is fair game for subsequent removal.

Personally, I wouldn't mind about supporting it forever, as its
implementation is very simple. But "x-allow-emulation" would be a good
way to make GET_EMULATED_CPUID available for developers who want to test
it, without any commitment to a specific API.

-- 
Eduardo