linux-kernel - Re: [PATCH 46/58] x86: arch/x86/kernel/irqinit.c: Add prototype for init

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Date:	Mon, 19 Nov 2012 10:36:17 +0000
From:	David Howells <dhowells@...hat.com>
To:	Josh Triplett <josh@...htriplett.org>
Cc:	dhowells@...hat.com,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 46/58] x86: arch/x86/kernel/irqinit.c: Add prototype for init_IRQ

Josh Triplett <josh@...htriplett.org> wrote:

> arch/x86/kernel/irqinit.c defines an __init function init_IRQ, called
> from init/main.c.  No header file prototypes init_IRQ, because
> init/main.c tends to directly define prototypes for init functions it
> calls, rather than including appropriate headers.  So, add a prototype
> of init_IRQ to arch/x86/kernel/irqinit.c right above the definition, to
> satisfy gcc (-Wmissing-prototypes) and Sparse (-Wdecl).

Rather, you should put a declaration for it in a header file.

David
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