linux-kernel - Re: [PATCH resend4 3/3] itimers: simplify arm

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Message-ID: <alpine.LFD.2.00.0905221858350.3570@localhost.localdomain>
Date:	Fri, 22 May 2009 18:59:03 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Stanislaw Gruszka <sgruszka@...hat.com>
cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH resend4 3/3] itimers: simplify arm_timer() code a bit

On Fri, 22 May 2009, Stanislaw Gruszka wrote:
> On Fri, 22 May 2009 16:30:09 +0200 (CEST)
> Thomas Gleixner <tglx@...utronix.de> wrote:
> 
> > On Fri, 22 May 2009, Stanislaw Gruszka wrote:
> > >  			case CPUCLOCK_PROF:
> > > -				if (cputime_eq(p->cputime_expires.prof_exp,
> > > -					       cputime_zero) ||
> > > -				    cputime_gt(p->cputime_expires.prof_exp,
> > > -					       nt->expires.cpu))
> > > -					p->cputime_expires.prof_exp =
> > > -						nt->expires.cpu;
> > > +				if (expires_le(p->cputime_expires.prof_exp,
> > > +					       exp->cpu))
> > > +					break;
> > 
> >   Why the reverse logic and the extra break ?
> 
> Just to use helper and to make similar logic in all cases in this funcion.

Well, you can do that the other way round as well :)

Thanks,

	tglx
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