linux-kernel - Re: [patch] x86 CPU detection for RDC

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Date:	Mon, 17 Aug 2009 10:57:49 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Mark Kelly <mark@...feros.com>
CC:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Florian Fainelli <florian@...nwrt.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [patch] x86 CPU detection for RDC

On 08/15/2009 08:35 PM, Mark Kelly wrote:
> diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
> index 4e242f9..9906064 100644
> --- a/arch/x86/kernel/cpu/Makefile
> +++ b/arch/x86/kernel/cpu/Makefile
> @@ -22,6 +22,7 @@ obj-$(CONFIG_CPU_SUP_CYRIX_32)		+= cyrix.o
>  obj-$(CONFIG_CPU_SUP_CENTAUR)		+= centaur.o
>  obj-$(CONFIG_CPU_SUP_TRANSMETA_32)	+= transmeta.o
>  obj-$(CONFIG_CPU_SUP_UMC_32)		+= umc.o
> +obj-$(CONFIG_X86_RDC321X)		+= rdc.o
> 
>  obj-$(CONFIG_X86_MCE)	+= mcheck/
>  obj-$(CONFIG_MTRR)	+= mtrr/

I don't see this defined anywhere.  Where it is defined, it needs to
depend on or select CONFIG_PCI, since the detection code you're
proposing is using unguarded PCI references.

	-hpa
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