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xen-devel
[Xen-devel] RE: Ping#2: [PATCH] VMX: extend last branch MSR info to cove
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To: |
Jan Beulich <JBeulich@xxxxxxxx>, Haitao Shan <maillists.shan@xxxxxxxxx> |
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Subject: |
[Xen-devel] RE: Ping#2: [PATCH] VMX: extend last branch MSR info to cover newer CPU models |
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From: |
"Shan, Haitao" <haitao.shan@xxxxxxxxx> |
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Date: |
Wed, 9 Nov 2011 10:56:52 +0800 |
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en-US |
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en-US |
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"xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir@xxxxxxx>, "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>, "Dugger, Donald D" <donald.d.dugger@xxxxxxxxx> |
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Tue, 08 Nov 2011 19:03:10 -0800 |
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AcyaClpDPvRyAxnPSNG9C1PhyAYwxgEgE2ag |
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Ping#2: [PATCH] VMX: extend last branch MSR info to cover newer CPU models |
Hi, Jan,
I found one useful document in intel website.
http://software.intel.com/en-us/articles/intel-processor-identification-with
-cpuid-model-and-family-numbers/
>From the doc, it seems model 45 is not in the list.
Shan Haitao
> -----Original Message-----
> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
> Sent: Thursday, November 03, 2011 5:24 PM
> To: Haitao Shan; Shan, Haitao
> Cc: Dugger, Donald D; Nakajima, Jun; xen-devel@xxxxxxxxxxxxxxxxxxx; Keir
> Fraser
> Subject: Ping#2: [PATCH] VMX: extend last branch MSR info to cover newer
> CPU models
>
> VMX: extend last branch MSR info to cover newer CPU models #2
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
>
> --- a/xen/arch/x86/hvm/vmx/vmx.c
> +++ b/xen/arch/x86/hvm/vmx/vmx.c
> @@ -1738,10 +1738,9 @@ static const struct lbr_info *last_branc
> case 23:
> return c2_lbr;
> break;
> - /* Nehalem */
> - case 26: case 30: case 31: case 46:
> - /* Sandy Bridge */
> - case 42: case 45:
> + /* Nehalem/Sandy Bridge */
> + case 26: case 30: case 31: case 37:
> + case 42: case 44: case 45: case 46: case 47:
> return nh_lbr;
> break;
> /* Atom */
>
>
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