linux-kernel - Re: [PATCH 1/6] headers

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Date:	Sat, 06 Jun 2009 15:04:12 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Russell King <rmk+lkml@....linux.org.uk>
Cc:	Sam Ravnborg <sam@...nborg.org>, Ingo Molnar <mingo@...e.hu>,
	Catalin Marinas <catalin.marinas@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-arm-kernel@...ts.arm.linux.org.uk
Subject: Re: [PATCH 1/6] headers_check fix: arm, hwcap.h

On Sat, 2009-06-06 at 10:12 +0100, Russell King wrote:
> On Sat, Jun 06, 2009 at 02:20:11PM +0530, Jaswinder Singh Rajput wrote:
> > 
> > The problem is why you are trying to complex things which are simple and
> > straight.
> 
> What you're saying is "you may not follow valid C ways of expressing
> conditional compilation" to which I say "go and piss in someone elses
> pool".
> 

Hmm, again you are trying to complex things.

Issue is not of valid C or not.

Issue is #if defined(__KERNEL__) && (<unknown>) is WRONG.

It should be :

#ifdef __KERNEL__
#ifdef <unknown>

otherwise how you will pass it to userspace.

Why you are looking on kernel side only why do not you think about user
space ?
please check how it will look at usr/include/asm-arm/hwcap.h

> Since the fix for this in unifdef is soo trivial, and it doesn't require
> people to write stuff in ways that stupid idiotic tools can understand,
> I'm NEVER going to apply the fix to hwdef.h.
> 
> So you now have two options: either supply the (correct) additional
> parameter to unifdef, or ignore the stupid idiotic warning message.
> 

I will go with 3rd option.

Thanks,
--
JSR

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