linux-kernel - Re: [PATCH 04/10] -mm clocksource: add some new API calls

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Date:	Fri, 04 Aug 2006 12:28:39 -0700
From:	Daniel Walker <dwalker@...sta.com>
To:	john stultz <johnstul@...ibm.com>
Cc:	akpm@...l.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/10] -mm  clocksource: add some new API calls


> > +/*
> > + * Internally used to invert the rating, so lower is better.
> > + */
> > +#define CLOCKSOURCE_RATING(x)	(INT_MAX-x)
> 
> Since this is used for the plist bits, could it get a more explicit
> name?


Sure, like CLOCKSOURCE_INVERT_RATING() 



> >  int clocksource_register(struct clocksource *c)
> >  {
> >  	int ret = 0;
> >  	unsigned long flags;
> >  
> > +	if (unlikely(!c))
> > +		return -EINVAL;
> > +
> 
> I'm not sure I understand the need for this. Is it really likely someone
> would pass NULL to clocksource_register()?

Not likely, I was just covering all possibilities.. It might be better
as a BUG_ON() actually.


Daniel

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