RE: [PATCH v3 6/7] x86/hyper-v: detect nested features

[Michael Kelley (EOSG)]

> -----Original Message-----
> From: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
> Sent: Friday, March 9, 2018 6:03 AM
> To: kvm@xxxxxxxxxxxxxxx
> Cc: x86@xxxxxxxxxx; Paolo Bonzini <pbonzini@xxxxxxxxxx>; Radim KrÄmÃÅ
> <rkrcmar@xxxxxxxxxx>; KY Srinivasan <kys@xxxxxxxxxxxxx>; Haiyang Zhang
> <haiyangz@xxxxxxxxxxxxx>; Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>; Michael
> Kelley (EOSG) <Michael.H.Kelley@xxxxxxxxxxxxx>; Mohammed Gamal
> <mmorsy@xxxxxxxxxx>; Cathy Avery <cavery@xxxxxxxxxx>; Bandan Das <bsd@xxxxxxxxxx>;
> linux-kernel@xxxxxxxxxxxxxxx
> Subject: [PATCH v3 6/7] x86/hyper-v: detect nested features
> 
> TLFS 5.0 says: "Support for an enlightened VMCS interface is reported with
> CPUID leaf 0x40000004. If an enlightened VMCS interface is supported,
>  additional nested enlightenments may be discovered by reading the CPUID
> leaf 0x4000000A (see 2.4.11)."
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>

Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>