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Re: [Xen-devel] [PATCH v2 2/4] sysctl: Make XEN_SYSCTL_topologyinfo sysctl a little more efficient
- To: Jan Beulich <JBeulich@xxxxxxxx>
- From: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
- Date: Mon, 19 Jan 2015 10:48:10 +0000
- Cc: wei.liu2@xxxxxxxxxx, stefano.stabellini@xxxxxxxxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, dario.faggioli@xxxxxxxxxx, ian.jackson@xxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxx, ufimtseva@xxxxxxxxx, keir@xxxxxxx, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- Delivery-date: Mon, 19 Jan 2015 10:48:36 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On Mon, 2015-01-19 at 08:57 +0000, Jan Beulich wrote:
> >>> On 16.01.15 at 18:07, <boris.ostrovsky@xxxxxxxxxx> wrote:
> > Also, a side question --- how is platform ops interface considered
> > stable if it is versioned? I may have a different understanding of what
> > "stable" means.
>
> I'm not sure why this has a version associated with it. In any
> event that version didn't ever change since its introduction, by
> means of which the interface has been stable.
It was split off from the old non-stable/versioned dom0_ops when that
was split into platform_op, domctl and sysctl, partly to allow it to
become stable. I suspect the versioning of the platforms_ops is just a
historical relic carried over from before then.
Ian.
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