From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dietmar Hahn <dietmar.hahn@ts.fujitsu.com>
Subject: Re: [PATCH v2 1/2] x86/VPMU: return correct fixed PMC
	count
Date: Wed, 25 Nov 2015 10:13:09 +0100
Message-ID: <1994616.xHA5sAh0S4@amur>
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Cc: boris.ostrovsky@oracle.com, Brendan Gregg <bgregg@netflix.com>
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Am Dienstag 24 November 2015, 15:53:11 schrieb Brendan Gregg:
> Fixes a register typo.
> 
> Signed-off-by: Brendan Gregg <bgregg@netflix.com>
> ---
>  xen/arch/x86/cpu/vpmu_intel.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Dietmar Hahn <dietmar.hahn@ts.fujitsu.com>

> 
> diff --git a/xen/arch/x86/cpu/vpmu_intel.c b/xen/arch/x86/cpu/vpmu_intel.c
> index 12f80ae..8d83a1a 100644
> --- a/xen/arch/x86/cpu/vpmu_intel.c
> +++ b/xen/arch/x86/cpu/vpmu_intel.c
> @@ -166,10 +166,10 @@ static int core2_get_arch_pmc_count(void)
>   */
>  static int core2_get_fixed_pmc_count(void)
>  {
> -    u32 eax;
> +    u32 edx;
>  
> -    eax = cpuid_eax(0xa);
> -    return MASK_EXTR(eax, PMU_FIXED_NR_MASK);
> +    edx = cpuid_edx(0xa);
> +    return MASK_EXTR(edx, PMU_FIXED_NR_MASK);
>  }
>  
>  /* edx bits 5-12: Bit width of fixed-function performance counters  */
> 

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