linux-kernel - Re: [PATCH v3 1/4] KVM/X86: Fix xsave cpuid exposing bug

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Message-ID: <52DF9E04.9030404@zytor.com>
Date:	Wed, 22 Jan 2014 02:31:32 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
CC:	"Liu, Jinsong" <jinsong.liu@...el.com>,
	"gleb@...hat.com" <gleb@...hat.com>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"qemu-devel@...gnu.org" <qemu-devel@...gnu.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Ren, Qiaowei" <qiaowei.ren@...el.com>
Subject: Re: [PATCH v3 1/4] KVM/X86: Fix xsave cpuid exposing bug

On 01/22/2014 02:21 AM, Paolo Bonzini wrote:
> Il 21/01/2014 19:59, Liu, Jinsong ha scritto:
>> From 3155a190ce6ebb213e6c724240f4e6620ba67a9d Mon Sep 17 00:00:00 2001
>> From: Liu Jinsong <jinsong.liu@...el.com>
>> Date: Fri, 13 Dec 2013 02:32:03 +0800
>> Subject: [PATCH v3 1/4] KVM/X86: Fix xsave cpuid exposing bug
>>
>> EBX of cpuid(0xD, 0) is dynamic per XCR0 features enable/disable.
>> Bit 63 of XCR0 is reserved for future expansion.
>>
>> Signed-off-by: Liu Jinsong <jinsong.liu@...el.com>
> 
> Peter, can I have your acked-by on this?
> 

Yes.

Acked-by: H. Peter Anvin <hpa@...ux.intel.com>

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