linux-kernel - RE: [PATCH 2/6] x86/hyper-v: Drop HV_X64_CONFIGURE

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Message-ID: <CY4PR21MB0773ABDAF630143F6B37B1E0D7A40@CY4PR21MB0773.namprd21.prod.outlook.com>
Date:   Sun, 9 Dec 2018 17:45:26 +0000
From:   Michael Kelley <mikelley@...rosoft.com>
To:     vkuznets <vkuznets@...hat.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>
CC:     Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Roman Kagan <rkagan@...tuozzo.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "x86@...nel.org" <x86@...nel.org>,
        Eduardo Habkost <ehabkost@...hat.com>
Subject: RE: [PATCH 2/6] x86/hyper-v: Drop HV_X64_CONFIGURE_PROFILER
 definition

From: Vitaly Kuznetsov <vkuznets@...hat.com> Sent: Thursday, December 6, 2018 8:58 AM
> 
> BIT(13) in HYPERV_CPUID_FEATURES.EBX is described as "ConfigureProfiler" in
> TLFS v4.0 but starting 5.0 it is replaced with 'Reserved'. As we don't
> currently us it in kernel it can just be dropped.
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>

Reviewed-by: Michael Kelley <mikelley@...rosoft.com>