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

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Date:	Mon, 17 Aug 2009 20:08:25 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Mark Kelly <mark@...feros.com>, linux-kernel@...r.kernel.org,
	Florian Fainelli <florian@...nwrt.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [patch] x86 CPU detection for RDC


* H. Peter Anvin <hpa@...or.com> wrote:

> 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.

X86_RDC321X already exists in arch/x86/Kconfig. It should probably 
grow a 'depends on PCI' rline or so.

	Ingo
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