linux-kernel - Re: [PATCH v2 0/4] X86/KVM: enable Intel MPX for KVM

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Message-ID: <52A83606.40908@redhat.com>
Date:	Wed, 11 Dec 2013 10:53:10 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	"Liu, Jinsong" <jinsong.liu@...el.com>
CC:	"gleb@...hat.com" <gleb@...hat.com>,
	"hpa@...or.com" <hpa@...or.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>
Subject: Re: [PATCH v2 0/4] X86/KVM: enable Intel MPX for KVM

Il 11/12/2013 09:31, Liu, Jinsong ha scritto:
> Paolo, comments for version 2?

I think I commented that it's fine, I'm just waiting for a rebase on top
of the generic patches.

Paolo

> Thanks,
> Jinsong
> 
> Liu, Jinsong wrote:
>> These patches are version 2 to enalbe Intel MPX for KVM.
>>
>> Version 1:
>>   * Add some Intel MPX definiation
>>   * Fix a cpuid(0x0d, 0) exposing bug, dynamic per XCR0 features
>> enable/disable 
>>   * vmx and msr handle for MPX support at KVM
>>   * enalbe MPX feature for guest
>>
>> Version 2:
>>   * remove generic MPX definiation, kernel side has add the
>> definiation 
>>   * add MSR_IA32_BNDCFGS to msrs_to_save
>>
>> Thanks,
>> Jinsong
>>
>> Liu Jinsong (4):
>>   KVM/X86: Fix xsave cpuid exposing bug
>>   KVM/X86: Intel MPX vmx and msr handle
>>   KVM/X86: add MSR_IA32_BNDCFGS to msrs_to_save
>>   KVM/X86: Enable Intel MPX for guest.
>>
>>  arch/x86/include/asm/vmx.h            |    4 ++++
>>  arch/x86/include/asm/xsave.h          |    2 ++
>>  arch/x86/include/uapi/asm/msr-index.h |    1 +
>>  arch/x86/kvm/cpuid.c                  |    8 ++++----
>>  arch/x86/kvm/vmx.c                    |   18 ++++++++++++++++--
>>  arch/x86/kvm/x86.c                    |   12 +++++++++---
>>  arch/x86/kvm/x86.h                    |    3 ++-
>>  7 files changed, 38 insertions(+), 10 deletions(-)
> 

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