linux-kernel - Re: [PATCH] Prevent users from disabling tickless

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Message-ID: <20101225164207.1dcd9e58@stein>
Date:	Sat, 25 Dec 2010 16:42:07 +0100
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Matthew Wilcox <matthew@....cx>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>,
	Frank Rowand <frank.rowand@...sony.com>
Subject: Re: [PATCH] Prevent users from disabling tickless

On Dec 21 Matthew Wilcox wrote:
> --- a/kernel/time/Kconfig
> +++ b/kernel/time/Kconfig
> @@ -5,13 +5,9 @@ config TICK_ONESHOT
>  	bool
>  
>  config NO_HZ
> -	bool "Tickless System (Dynamic Ticks)"
> +	def_bool y
>  	depends on !ARCH_USES_GETTIMEOFFSET && GENERIC_CLOCKEVENTS
>  	select TICK_ONESHOT
> -	help
> -	  This option enables a tickless system: timer interrupts will
> -	  only trigger on an as-needed basis both when the system is
> -	  busy and when the system is idle.
>  
>  config HIGH_RES_TIMERS
>  	bool "High Resolution Timer Support"
> 

Even at a kconfig variable without prompt, a help section may be useful.
In case of this one, you should rather add to the text than remove it.
-- 
Stefan Richter
-=====-==-=- ==-- ==--=
http://arcgraph.de/sr/
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