On 12/06/2013 05:16 PM, Ren, Qiaowei wrote:
> Jinsong think that both kvm and host depend on these feature definition
> header file, so we firstly submit these files depended on.
Yes, but we can't turn on the feature without proper protection. Either
way, they are now in tip:x86/cpufeature.
l.org; Ingo Molnar; Thomas
> Gleixner
> Subject: Re: [Qemu-devel] [PATCH v2 3/3] X86, mpx: Intel MPX xstate feature
> definition
>
> On 12/06/2013 04:23 PM, Ren, Qiaowei wrote:
> >>>
> >>> We need to either disable these features in lazy mode, or we need to
>
On 12/06/2013 04:23 PM, Ren, Qiaowei wrote:
>>>
>>> We need to either disable these features in lazy mode, or we need to
>>> force eager mode if these features are to be supported. The problem
>>> with the latter is that it means forcing eager mode regardless of if
>>> anything actually *uses* the
t; Gleixner
> Subject: RE: [Qemu-devel] [PATCH v2 3/3] X86, mpx: Intel MPX xstate feature
> definition
>
> H. Peter Anvin wrote:
> > On 12/06/2013 12:05 PM, Liu, Jinsong wrote:
> >>>
> >>> Since Peter already said the same, please undo these changes.
>
H. Peter Anvin wrote:
> On 12/06/2013 12:05 PM, Liu, Jinsong wrote:
>>>
>>> Since Peter already said the same, please undo these changes.
>>>
>>> Also, how is XSTATE_EAGER used? Should MPX be disabled when
>>> xsaveopt is disabled on the kernel command line? (Liu, how would
>>> this affect the
On 12/06/2013 12:05 PM, Liu, Jinsong wrote:
>>
>> Since Peter already said the same, please undo these changes.
>>
>> Also, how is XSTATE_EAGER used? Should MPX be disabled when xsaveopt
>> is disabled on the kernel command line? (Liu, how would this affect
>> the KVM patches, too?)
>>
>> Paolo
>
Paolo Bonzini wrote:
> Il 07/12/2013 01:20, Qiaowei Ren ha scritto:
>> This patch defines xstate feature and extends struct xsave_hdr_struct
>> to support Intel MPX.
>>
>> Signed-off-by: Qiaowei Ren
>> Signed-off-by: Xudong Hao
>> Signed-off-by: Liu Jinsong
>> ---
>> arch/x86/include/asm/proce
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