From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sunset.davemloft.net (74-93-104-97-Washington.hfc.comcastbusiness.net [74.93.104.97]) by ozlabs.org (Postfix) with ESMTP id 641C5B70AA for ; Tue, 27 Jul 2010 11:37:52 +1000 (EST) Date: Mon, 26 Jul 2010 18:38:08 -0700 (PDT) Message-Id: <20100726.183808.15223674.davem@davemloft.net> To: grant.likely@secretlab.ca Subject: Re: [PATCH v3] of: Create asm-generic/of.h and provide default of_node_to_nid() From: David Miller In-Reply-To: References: <20100726.154854.35052662.davem@davemloft.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Cc: sfr@canb.auug.org.au, monstr@monstr.eu, microblaze-uclinux@itee.uq.edu.au, devicetree-discuss@lists.ozlabs.org, linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, sparclinux@vger.kernel.org, sam@ravnborg.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Grant Likely Date: Mon, 26 Jul 2010 16:51:01 -0600 > Indeed. I looked at it briefly, but it wasn't immediately clear what > the impact would be to switch powerpc over to -1, and it looked to me > like sparc depends on -1 to signify no node association. Kernel wide, NUMA interfaces tend to take "-1" to mean "any node." I had looked over the powerpc cases, and besides 1 or 2 strange locations the powerpc call sites were ready to handle -1.