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Re: [Xen-devel] [PATCH v4 13/26] x86/cpu: Sysctl and common infrastructure for levelling context switching

>>> On 23.03.16 at 17:36, <andrew.cooper3@xxxxxxxxxx> wrote:
> A toolstack needs to know how much control Xen has over the visible cpuid
> values in PV guests.  Provide an explicit mechanism to query what Xen is
> capable of.
> This interface will currently report no capabilities.  This change is
> scaffolding for future patches, which will introduce detection and switching
> logic, after which the interface will report hardware capabilities 
> correctly.
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

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