RE: [PATCH 2/6] x86/hyper-v: Drop HV_X64_CONFIGURE_PROFILER definition

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Subject: RE: [PATCH 2/6] x86/hyper-v: Drop HV_X64_CONFIGURE_PROFILER definition
From: Michael Kelley <mikelley@xxxxxxxxxxxxx>
Date: Sun, 9 Dec 2018 17:45:26 +0000
Accept-language: en-US
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>, Radim Krčmář <rkrcmar@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Roman Kagan <rkagan@xxxxxxxxxxxxx>, KY Srinivasan <kys@xxxxxxxxxxxxx>, Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>, Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, Eduardo Habkost <ehabkost@xxxxxxxxxx>
In-reply-to: <20181206165825.1832-3-vkuznets@redhat.com>
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References: <20181206165825.1832-1-vkuznets@redhat.com> <20181206165825.1832-3-vkuznets@redhat.com>

From: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> 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@xxxxxxxxxx>

Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>

References:
- [PATCH 0/6] x86/kvm/hyper-v: Implement KVM_GET_SUPPORTED_HV_CPUID
  - From: Vitaly Kuznetsov
- [PATCH 2/6] x86/hyper-v: Drop HV_X64_CONFIGURE_PROFILER definition
  - From: Vitaly Kuznetsov

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