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Re: [Xen-devel] [PATCH for-4.11 1/2] x86/cpu: get more information out from *_init_levelling

On Fri, Apr 06, 2018 at 10:40:23AM +0100, Andrew Cooper wrote:
> On 06/04/18 10:36, Wei Liu wrote:
> > Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> For what purpose?  This is very deliberate that, if faulting is
> available, levelling never gets touched.
> Levelling, as a mechanism, is strictly inferior to faulting.  On Intel,
> the sets of hardware with levelling and faulting are disjoint.

AFAICT levelling_caps is changed by probe_cpuid_faulting. That's what
I'm getting at.


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