linux-kernel - Re: [PATCH 1/6] [watchdog] combine nmi

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Message-Id: <20100420085350.fce77f4f.randy.dunlap@oracle.com>
Date:	Tue, 20 Apr 2010 08:53:50 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Don Zickus <dzickus@...hat.com>
Cc:	mingo@...e.hu, fweisbec@...il.com, peterz@...radead.org,
	gorcunov@...il.com, aris@...hat.com, linux-kernel@...r.kernel.org,
	randy.dunlap@...cle.com
Subject: Re: [PATCH 1/6] [watchdog] combine nmi_watchdog and softlockup

On Tue, 20 Apr 2010 11:23:58 -0400 Don Zickus wrote:

> diff --git a/init/Kconfig b/init/Kconfig
> index 7331a16..98e3f5f 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -948,8 +948,11 @@ config PERF_USE_VMALLOC
>  
>  config PERF_EVENTS_NMI
>  	bool
> +	depends on PERF_EVENTS
>  	help
> -	  Arch has support for nmi_watchdog
> +	  Arch can generate an NMI using the perf event subsystem

Hi Don,

I realize that you didn't introduce Arch in this help text,
but can we eliminate him, please?  E.g.:

	  Platform can generate an NMI using the perf event subsystem.
or
	  System hardware can generate an NMI using the perf event subsystem.

> +	  Also has support for calculating cpu cycle events to

	                                   CPU

> +	  determine how many clock cycles in a given period

                                                     period.

>  
>  menu "Kernel Performance Events And Counters"


---
~Randy
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