linux-kernel - Re: [RFC] x86: merge nmi

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Message-ID: <483001C4.1010801@firstfloor.org>
Date:	Sun, 18 May 2008 12:15:32 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	Tom Spink <tspink@...il.com>,
	Cyrill Gorcunov <gorcunov@...il.com>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Jiri Slaby <jirislaby@...il.com>,
	Sam Ravnborg <sam@...nborg.org>
Subject: Re: [RFC] x86: merge nmi_32-64 to nmi.c


> Definitely, but we should do it at the Kconfig level which allows us
> to have integer defines as well, so we end up with something like:
> 
> static inline unsigned int get_nmi_count(int cpu)
> {
>       return CONFIG_X86_64 ? cpu_pda(cpu)->__nmi_count : nmi_count(cpu);
> }

#ifdef CONFIG_X86_64 would evaluate true even with CONFIG_X86_64 == 0

-Andi
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