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

From: Peter Zijlstra
Date: Thu Jun 09 2016 - 04:43:27 EST


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
>