linux-kernel - Re: [PATCH 1/2] Switch NMI watchdog to ref cycles on x86

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Date:	Thu, 9 Jun 2016 10:43:14 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	acme@...nel.org, jolsa@...nel.org, linux-kernel@...r.kernel.org,
	x86@...nel.org, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 1/2] Switch NMI watchdog to ref cycles on x86

On Wed, Jun 08, 2016 at 02:36:46PM -0700, Andi Kleen wrote:

> This patch switches the NMI watchdog to use reference cycles

Are you sure; it seems to only add an #include

> ---
>  arch/x86/kernel/apic/hw_nmi.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/x86/kernel/apic/hw_nmi.c b/arch/x86/kernel/apic/hw_nmi.c
> index c546aac36ee7..016f4263fad4 100644
> --- a/arch/x86/kernel/apic/hw_nmi.c
> +++ b/arch/x86/kernel/apic/hw_nmi.c
> @@ -18,6 +18,7 @@
>  #include <linux/nmi.h>
>  #include <linux/module.h>
>  #include <linux/delay.h>
> +#include <linux/perf_event.h>
>  
>  #ifdef CONFIG_HARDLOCKUP_DETECTOR
>  int hw_nmi_get_event(void)
> -- 
> 2.5.5
>