Re: [Xen-devel] [PATCH v5 11/21] x86/cpu: Context switch cpuid masks and faulting state in context_switch()

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Apr 07, 2016 at 12:57:16PM +0100, Andrew Cooper wrote:
> A single ctxt_switch_levelling() function pointer is provided
> (defaulting to an empty nop), which is overridden in the appropriate
> $VENDOR_init_levelling().
> 
> set_cpuid_faulting() is made private and included within
> intel_ctxt_switch_levelling().
> 
> One (attempted) functional change is that the faulting configuration should
> not be special cased for dom0.  It turns out that the toolstack relies on the
> special case (and indeed, on being a PV domain in the first place) to
> correctly build HVM domains.
> 
> For now, the control domain is left as a special case, until futher work can
> be completed to remove the restriction.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Reviewed-by: Jan Beulich <JBeulich@xxxxxxxx>

Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

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