linux-kernel - Re: [PATCH -tip] x86: trampoline.c cleanup

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Date:	Sun, 15 Mar 2009 05:35:08 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jaswinder Singh Rajput <jaswinder@...nel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	x86 maintainers <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -tip] x86: trampoline.c cleanup


* Jaswinder Singh Rajput <jaswinder@...nel.org> wrote:

> On Sat, 2009-03-14 at 17:58 +0100, Thomas Gleixner wrote:
> > On Sat, 14 Mar 2009, Jaswinder Singh Rajput wrote:
> > > Hello Thomas,
> > > 
> > > On Sat, 2009-03-14 at 17:20 +0100, Thomas Gleixner wrote:
> > > > On Sat, 14 Mar 2009, Jaswinder Singh Rajput wrote:
> > > > 
> > > > > Subject: [PATCH] x86: trampoline.c cleanup
> > > > > 
> > > > > Impact: cleanup
> > > > > 
> > > > >  - fix style problems
> > > > 
> > > > Err. This patch is a style problem itself.
> > > >  
> > > > > Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@...il.com>
> > > > > ---
> > > > >  arch/x86/kernel/trampoline.c |    3 ++-
> > > > >  1 files changed, 2 insertions(+), 1 deletions(-)
> > > > > 
> > > > > diff --git a/arch/x86/kernel/trampoline.c b/arch/x86/kernel/trampoline.c
> > > > > index 808031a..e3b1f2e 100644
> > > > > --- a/arch/x86/kernel/trampoline.c
> > > > > +++ b/arch/x86/kernel/trampoline.c
> > > > > @@ -15,7 +15,7 @@ void __init reserve_trampoline_memory(void)
> > > > >  	 * trampoline before removing it. (see the GDT stuff)
> > > > >  	 */
> > > > >  	reserve_early(PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, "EX TRAMPOLINE");
> > > > > -#endif
> > > > > +#endif /* CONFIG_X86_32 */
> > > > 
> > > > There is no need for this useless comment. The #ifdef is 5 lines
> > > > above. Such comments are only helpful in large nested sections.
> > > > 
> > > 
> > > Ahh, So
> > > 
> > > 	if (ifdef < 5)
> > > 		Rule #1
> > > 	else
> > > 		Rule #2
> > 
> > Sigh. I asked for applying common sense not for creating another
> > stupid rule.
> 
> Who made this stupid rule ?

What Thomas is saying is that instead of you trying to create 
some sort of rigid rule, you should apply common sense instead.

	Ingo
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