From mboxrd@z Thu Jan  1 00:00:00 1970
From: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Subject: Re: [PART1 RFC 4/9] KVM: x86: Detect and Initialize AVIC support
Date: Fri, 12 Feb 2016 22:46:15 +0700
Message-ID: <56BDFE47.20700@amd.com>
References: <1455285574-27892-1-git-send-email-suravee.suthikulpanit@amd.com>
 <1455285574-27892-5-git-send-email-suravee.suthikulpanit@amd.com>
 <20160212141337.GA4504@pd.tnic>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; format=flowed
Content-Transfer-Encoding: 7bit
Cc: <joro@8bytes.org>, <alex.williamson@redhat.com>, <gleb@kernel.org>,
	<pbonzini@redhat.com>, <kvm@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <wei@redhat.com>,
	<sherry.hurwitz@amd.com>
To: Borislav Petkov <bp@alien8.de>
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <20160212141337.GA4504@pd.tnic>
Sender: linux-kernel-owner@vger.kernel.org
List-Id: kvm.vger.kernel.org

Hi,

On 02/12/2016 09:13 PM, Borislav Petkov wrote:
>> diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c
>> >index 8cb57df..88cfbe7 100644
>> >--- a/arch/x86/kernel/cpu/scattered.c
>> >+++ b/arch/x86/kernel/cpu/scattered.c
>> >@@ -37,6 +37,7 @@ void init_scattered_cpuid_features(struct cpuinfo_x86 *c)
>> >  		{ X86_FEATURE_HW_PSTATE,	CR_EDX, 7, 0x80000007, 0 },
>> >  		{ X86_FEATURE_CPB,		CR_EDX, 9, 0x80000007, 0 },
>> >  		{ X86_FEATURE_PROC_FEEDBACK,	CR_EDX,11, 0x80000007, 0 },
>> >+		{ X86_FEATURE_AVIC,		CR_EDX,13, 0x8000000a, 0 },
>> >  		{ 0, 0, 0, 0, 0 }
>> >  	};
> You need to check tip/master when/before/after touching arch/x86/:
>
> a1ff57260818 ("x86/cpufeature: Add AMD AVIC bit")

Ok, I'll check that in the next patch series.

Thanks,
Suravee