Re: [Xen-devel] [PATCH] x86: add Ivy Bridge model numbers to model specific MSR handling

[Keir Fraser <keir.xen@xxxxxxxxx>]

On 06/02/2012 16:29, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:

> This is model 0x3a (decimal 58) as per the most recent SDM.
> 
> In vPMU code, also add a forgotten earlier model.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Fine by me with an appropriate Ack from Intel.

 K.

> --- a/xen/arch/x86/acpi/cpu_idle.c
> +++ b/xen/arch/x86/acpi/cpu_idle.c
> @@ -106,6 +106,8 @@ static void do_get_hw_residencies(void *
>  
>      switch ( c->x86_model )
>      {
> +    /* Ivy bridge */
> +    case 0x3A:
>      /* Sandy bridge */
>      case 0x2A:
>      case 0x2D:
> --- a/xen/arch/x86/hvm/vmx/vmx.c
> +++ b/xen/arch/x86/hvm/vmx/vmx.c
> @@ -1751,6 +1751,8 @@ static const struct lbr_info *last_branc
>          case 37: case 44: case 47:
>          /* Sandy Bridge */
>          case 42: case 45:
> +        /* Ivy Bridge */
> +        case 58:
>              return nh_lbr;
>              break;
>          /* Atom */
> --- a/xen/arch/x86/hvm/vmx/vpmu_core2.c
> +++ b/xen/arch/x86/hvm/vmx/vpmu_core2.c
> @@ -623,8 +623,10 @@ int vmx_vpmu_initialise(struct vcpu *v)
>          case 26:
>          case 29:
>          case 42:
> +        case 45:
>          case 46:
>          case 47:
> +        case 58:
>              vpmu->arch_vpmu_ops = &core2_vpmu_ops;
>              return 0;
>          }
> 
> 
> 
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