Subject: Re: [PATCH 1/2] oprofile: Disable oprofile NMI timer on ppc64

From: Robert Richter <[email-masked]>
Date: Thu, 9 Apr 2015 07:43:52 +0200

On 09.04.15 12:52:55, Anton Blanchard wrote:
> We want to enable the hard lockup detector on ppc64, but right now
> that enables the oprofile NMI timer too.
> 
> We'd prefer not to enable the oprofile NMI timer, it adds another
> element to our PMU testing and it requires us to increase our
> exported symbols (eg cpu_khz).
> 
> Modify the config entry for OPROFILE_NMI_TIMER to disable it on PPC64.
> 
> Signed-off-by: Anton Blanchard <[email-masked]>

Acked-by: Robert Richter <[email-masked]>

Please pass this patch along with patch 2 of this series (ppc tree or
so).

Thanks,

-Robert

> ---
>  arch/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/Kconfig b/arch/Kconfig
> index 05d7a8a..0cc605d 100644
> --- a/arch/Kconfig
> +++ b/arch/Kconfig
> @@ -32,7 +32,7 @@ config HAVE_OPROFILE
>  
>  config OPROFILE_NMI_TIMER
>  	def_bool y
> -	depends on PERF_EVENTS && HAVE_PERF_EVENTS_NMI
> +	depends on PERF_EVENTS && HAVE_PERF_EVENTS_NMI && !PPC64
>  
>  config KPROBES
>  	bool "Kprobes"
> -- 
> 2.1.0
>