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

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Date:	Mon, 17 Aug 2009 11:58:08 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Ingo Molnar <mingo@...e.hu>, 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

On 08/17/2009 11:46 AM, Andi Kleen wrote:
> "H. Peter Anvin" <hpa@...or.com> writes:
> 
>> On 08/17/2009 11:08 AM, Ingo Molnar wrote:
>>> X86_RDC321X already exists in arch/x86/Kconfig. It should probably 
>>> grow a 'depends on PCI' rline or so.
>>>
>> Sounds like it.
> 
> iirc the patch used early pci which is actually self contained
> in its header. The main problem was that it didn't use it correctly.
> 

Just saw your other email.  early_pci_allowed() is defined in
arch/x86/pci/early.c which is only compiled (as is the whole
arch/x86/pci directory) if CONFIG_PCI is enabled, so the compile-time
guard is needed.

	-hpa

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