Re: [Qemu-devel] [PULL 18/18] qapi: move RTC_CHANGE to the target schema

[Markus Armbruster]

Peter Maydell <peter.maydell@linaro.org> writes:

> On Fri, 24 Sept 2021 at 15:43, Daniel P. Berrangé <berrange@redhat.com> wrote:
>>
>> On Fri, Sep 24, 2021 at 03:35:52PM +0200, Markus Armbruster wrote:
>> > Peter Maydell <peter.maydell@linaro.org> writes:
>> > > Side side note: the JSON event doesn't seem to contemplate
>> > > the possibility that a machine might have more than one RTC...
>> >
>> > Right.  It clearly needs an additional member @qom-path identifying the
>> > RTC device.
>>
>> Are there (mainstream) machines with more than one RTC ?
>
> Probably not many. The most likely case is probably "SoC has
> a crappy RTC and the board designer put a better one on the board".
> https://www.mail-archive.com/tech@openbsd.org/msg45128.html
> has a mention of some rockchip-based board like that.

Adding @qom-path is the right thing to do.

Simply ignore it when you know the VM has just one RTC, or that the
guest will use just one.