Re: [Xen-devel] [PATCH v5 08/21] x86/cpu: Sysctl and common infrastructure for levelling context switching

[Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>]

On 04/07/2016 07:57 AM, Andrew Cooper 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>
Acked-by: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>

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