Re: [Xen-devel] [PATCH 1/2] xen: Introduce PHYSDEVOP_pirq_eoi_gmfn_new

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 26 Jan 2012, Ian Campbell wrote:
> On Thu, 2012-01-26 at 16:29 +0000, Stefano Stabellini wrote:
> > 
> > Introducing a new hypercall with the same name
> > (PHYSDEVOP_pirq_eoi_gmfn_new) is the first step in admitting that the
> > old hypercall was a mistake and should not be used. 
> 
> If that's the case then there is precedent (e.g. sched_op, physdev_op,
> evtchn_op) for renaming the existing thing FOO_compat and taking over
> the name with the new semantics.
> 
> That's certainly better than _new->_newer->really_new etc. If you must
> go down that route then adding a number seems preferable.

In that case, I vote for taking over the existing name with the new
hypercall.

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