Re: [RFC PATCH 4/6] Preempt-RCU: Implementation

[Roman Zippel]

Hi,

On Sat, 1 Mar 2008, Steven Rostedt wrote:

> >  config CLASSIC_RCU
> > -	bool "Classic RCU"
> > +	def_bool !PREEMPT_RCU
> >  	help
> >  	  This option selects the classic RCU implementation that is
> >  	  designed for best read-side performance on non-realtime
> > -	  systems.
> 
> Actually Paul, you don't need to make this an "option". Simply the default
> if PREEMPT_RCU is not selected. In otherwords, no prompt.
> 
> 	config CLASSIC_RCU
> 	  bool
> 	  depends on !PREEMPT_RCU
> 	  default y

There is no prompt. :)
"def_bool !PREEMPT_RCU" does the same as this.

bye, Roman
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