Re: [Xen-devel] [PATCH] Flag events caused by foreign domains

["Andres Lagar-Cavilla" <andres@xxxxxxxxxxxxxxxx>]

> On Fri, Dec 02, Andres Lagar-Cavilla wrote:
>
>> > On Thu, Dec 01, Andres Lagar-Cavilla wrote:
>> >
>> >> Add a new flag for mem events, as consumers might need to
>> discriminate
>> >> foreign domain-caused from guest-caused events. The vcpu field of an
>> >> event is bogus from a consumer p.o.v. for foreign domain-caused
>> events.
>> >
>> > How is this supposed to be used?
>> We're just OR'ing an extra flag on existing events. Toolstacks can
>> ignore
>> it, or use it to handle foreign events differently, or whatever. No new
>> events are generated, timings don't change etc.
>
> Thats obvious.
>
>> Is that your concern?
>
> I'm wondering wether it really achieves what you want, no stall in the
> ring buffer etc.
That's not what I want with this patch...
Andres
>
> Olaf
>



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