linux-kernel - Re: [BUG] next-20081216 - WARNING: at kernel/smp.c:333 smp_call_function

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Message-ID: <20081227083758.GA12138@elte.hu>
Date:	Sat, 27 Dec 2008 09:37:58 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	Sam Ravnborg <sam@...nborg.org>,
	David Howells <dhowells@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	mel@....ul.ie
Subject: Re: [BUG] next-20081216 - WARNING: at kernel/smp.c:333
	smp_call_function_mask


* Yinghai Lu <yinghai@...nel.org> wrote:

> +extern int arch_init_chip_data(struct irq_desc *desc, int cpu);

when you change a function declaration's return type, you _must_ double 
check whether you properly updated all instances of that function. In this 
case you forgot about the io_apic.c instance.

	Ingo
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