On Fri, 2015-07-24 at 18:10 +0200, Juergen Gross wrote: > On 07/24/2015 05:58 PM, Dario Faggioli wrote:
> > So, just to check if I'm understanding is correct: you'd like to add an > > abstraction layer, in Linux, like in generic (or, perhaps, scheduling) > > code, to hide the direct interaction with CPUID. > > Such layer, on baremetal, would just read CPUID while, on PV-ops, it'd > > check with Xen/match vNUMA/whatever... Is this that you are saying? > > Sort of, yes. > > I just wouldn't add it, as it is already existing (more or less). It > can deal right now with AMD and Intel, we would "just" have to add Xen. > So, having gone through the rest of the thread (so far), and having given a fair amount o thinking to this, I really think that something like this would be a good thing to have in Linux. Of course, it's not that my opinion on where should be in Linux counts that much! :-D Nevertheless, I wanted to make it clear that, while skeptic at the beginning, I now think this is (part of) the way to go, as I said and explained in my reply to George. Regards, Dario -- <<This happens because I choose it to happen!>> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)
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