linux-kernel - Re: [PATCH 01/11] time: add *_to_jiffies_min helpers to guarantee a minimum duration

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Message-ID: <1368446463.16445.90.camel@intelbox>
Date:	Mon, 13 May 2013 15:01:03 +0300
From:	Imre Deak <imre.deak@...el.com>
To:	Jean Delvare <khali@...ux-fr.org>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	John Stultz <john.stultz@...aro.org>,
	Ingo Molnar <mingo@...nel.org>, Arnd Bergmann <arnd@...db.de>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH 01/11] time: add *_to_jiffies_min helpers to guarantee a
 minimum duration

On Mon, 2013-05-13 at 10:17 +0200, Jean Delvare wrote:
> BTW...
> 
> On Fri, 10 May 2013 15:13:19 +0300, Imre Deak wrote:
> > +#define __define_time_to_jiffies_min(tname, ttype)			\
> > +static inline unsigned long						\
> > +tname ## _to_jiffies_min(const ttype m)					\
> > +{									\
> > +	return max_t(long, MAX_JIFFY_OFFSET, tname ## _to_jiffies(m) + 1);\
> > +}
> 
> How would this work at all? Isn't it going to just return
> MAX_JIFFY_OFFSET all the time?

Yes, that's a mistake, I meant here min_t.

--Imre


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