linux-kernel - Re: [PATCH] try parent numa_node at first before using default

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Message-ID: <20070713031622.GC2395@kroah.com>
Date:	Thu, 12 Jul 2007 20:16:22 -0700
From:	Greg KH <greg@...ah.com>
To:	Yinghai Lu <yhlu.kernel@...il.com>
Cc:	Cornelia Huck <cornelia.huck@...ibm.com>,
	Stefan Richter <stefanr@...6.in-berlin.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <ak@...e.de>, rientjes@...gle.com,
	Christoph Lameter <clameter@....com>,
	Christoph Hellwig <hch@...radead.org>,
	David Miller <davem@...emloft.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	netdev@...r.kernel.org
Subject: Re: [PATCH] try parent numa_node at first before using default

On Thu, Jul 12, 2007 at 12:06:00PM -0700, Yinghai Lu wrote:
>  On 7/12/07, Greg KH <greg@...ah.com> wrote:
> > On Thu, Jul 12, 2007 at 10:59:53AM -0700, Yinghai Lu wrote:
> > Please split this into two separate patches, as they are doing two
> > different things.  One for the driver core, and one for pci devices.
> 
>  they need to applied together, otherwise all pci_dev numa_node will be
>  change to device_add to -1 after pci_device_add.

Hm, good point.

> > Also, what kind of performance issues have you seen with this patch in
> > place?  As your previous patches were incorrect, I am guessing that you
> > are not able to test this?
>  forcedeth on second node. without this patch in addition to
>  get_mpbus_to_node patch, the numa_node is always 0.

But you were not able to test USB, right?  Does that work properly now
with this patch?

thanks,

greg k-h
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