Re: [Xen-devel] [PATCH] x86: correct remaining extended CPUID level checks

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 09/05/16 14:19, Jan Beulich wrote:
> We should consistently check the upper 16 bits to be equal 0x8000 and
> only then the full value to be >= the desired level.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> ---
> As to inclusion in 4.7 - I think this would be desirable, but it's not
> a must: I'm unaware of real world environments where
> CPUID[0x80000000].EAX would yield a value not having the upper 16 bits
> set to 0x8000.

Either way, Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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