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Re: [Xen-devel] [PATCH v10 09/25] x86: refactor psr: L3 CAT: set value: implement framework.



>>> On 25.04.17 at 09:15, <yi.y.sun@xxxxxxxxxxxxxxx> wrote:
> Sorry, this may cause potential issue and is not a good example. But from SW
> view, there is another case where the per-socket supporting is important in
> real-time scenarios. You may have a real-time domain on one socket that 
> requires
> different masks (especially for code/data) to guarantee its performance vs.
> other general-purpose domains run on a different socket. In that case it’s a
> heterogeneous software usage model (rather than heterogeneous hardware). And,
> we should not force same masks setting on different sockets in such case.

I don't follow: The COS IDs for the real-time and general purpose
domains would be different, wouldn't they? Thus there would be
different masks in use, as intended.

Jan

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