linux-kernel - Re: [PATCH] Fix northbridge quirk to assign correct NUMA node

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Message-ID: <20140314090617.GA4697@pd.tnic>
Date:	Fri, 14 Mar 2014 10:06:17 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Daniel J Blueman <daniel@...ascale.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Borislav Petkov <bp@...e.de>, linux-kernel@...r.kernel.org,
	Steffen Persvold <sp@...ascale.com>
Subject: Re: [PATCH] Fix northbridge quirk to assign correct NUMA node

On Thu, Mar 13, 2014 at 07:43:01PM +0800, Daniel J Blueman wrote:
> For systems with multiple servers and routed fabric, all northbridges get
> assigned to the first server. Fix this by also using the node reported from
> the PCI bus. For single-fabric systems, the northbriges are on PCI bus 0
> by definition, which are on NUMA node 0 by definition, so this is invarient
> on most systems.

Yeah, I think this is of very low risk for !Numascale setups. :-) So

Acked-by: Borislav Petkov <bp@...e.de>

> Tested on fam10h and fam15h single and multi-fabric systems and candidate
> for stable.

I'm not sure about it - this is only reporting the wrong node, right?
Does anything depend on that node setting being correct and breaks due
to this?

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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