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From: Roland Dreier <roland@topspin.com>
To: AsterixTheGaul <asterixthegaul@gmail.com>
Cc: Magnus Damm <damm@opensource.se>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH][RFC] disable built-in modules V2
Date: Wed, 06 Apr 2005 19:23:30 -0700	[thread overview]
Message-ID: <528y3v72al.fsf@topspin.com> (raw)
In-Reply-To: <54b5dbf505040618324186678a@mail.gmail.com> (asterixthegaul@gmail.com's message of "Thu, 7 Apr 2005 07:02:53 +0530")

 > > -#define module_init(x) __initcall(x);
 > > +#define module_init(x) __initcall(x); __module_init_disable(x);
 > 
 > It would be better if there is brackets around them... like
 >
 > #define module_init(x) { __initcall(x); __module_init_disable(x); }
 >
 > then we know it wont break some code like
 > 
 > if (..)
 >  module_init(x);

This is all completely academic, since module_init() is a declaration
that won't be inside any code, but in general it's better still to use
the do { } while (0) idiom like

#define module_init(x) do { __initcall(x); __module_init_disable(x); } while (0)

so it won't break code like

	if (..)
		module_init(x);
	else
		something_else();

(Yes, that code is nonsense but if you're going to nitpick, go all the way...)

 - R.

  reply	other threads:[~2005-04-07  2:57 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-05 23:29 [PATCH][RFC] disable built-in modules V2 Magnus Damm
2005-04-06 10:32 ` Malcolm Rowe
2005-04-06 13:10   ` Magnus Damm
2005-04-06 14:28     ` Malcolm Rowe
2005-04-06 22:14       ` Magnus Damm
2005-04-07  7:47         ` Zwane Mwaikambo
2005-04-07  1:32 ` AsterixTheGaul
2005-04-07  2:23   ` Roland Dreier [this message]
2005-04-07  8:23     ` Magnus Damm
2005-04-07 17:01       ` Randy.Dunlap
2005-04-07 17:22         ` Richard B. Johnson
2005-04-07 17:29           ` Randy.Dunlap
2005-04-07 18:53             ` Magnus Damm
2005-04-09  1:42               ` Herbert Xu
2005-04-09  9:43                 ` Magnus Damm
2005-04-09  9:48                   ` Herbert Xu
2005-04-09 10:03                     ` Magnus Damm
2005-04-09 10:07                       ` Herbert Xu
2005-04-09 10:14                         ` Magnus Damm
2005-04-07 17:37           ` Dave Jones
2005-04-07  2:38   ` Horst von Brand
2005-04-07 21:33     ` Magnus Damm

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