Received: with ECARTIS (v1.0.0; list netdev); Mon, 22 Nov 2004 07:37:45 -0800 (PST) Received: from umhlanga.STRATNET.NET (umhlanga.stratnet.net [12.162.17.40]) by oss.sgi.com (8.13.0/8.13.0) with ESMTP id iAMFbeVF030696 for ; Mon, 22 Nov 2004 07:37:41 -0800 Received: from exch-1.topspincom.com ([12.162.17.3]) by umhlanga.STRATNET.NET with Microsoft SMTPSVC(5.0.2195.5329); Mon, 22 Nov 2004 07:37:21 -0800 Received: from eddore ([10.10.253.169]) by exch-1.topspincom.com with Microsoft SMTPSVC(5.0.2195.5329); Mon, 22 Nov 2004 07:37:21 -0800 Received: from roland by eddore with local (Exim 4.34) id 1CWGFf-0006ZA-PE; Mon, 22 Nov 2004 07:37:21 -0800 To: Christoph Hellwig Cc: netdev@oss.sgi.com X-Message-Flag: Warning: May contain useful information References: <200411181046.6Dz1IPtDKfpgSXN9@topspin.com> <200411181046.Jj0jsF5E2KmiGN8f@topspin.com> <20041118200017.GA26976@infradead.org> <52sm71ex0l.fsf@topspin.com> <20041122153456.GA4905@infradead.org> From: Roland Dreier Date: Mon, 22 Nov 2004 07:37:15 -0800 In-Reply-To: <20041122153456.GA4905@infradead.org> (Christoph Hellwig's message of "Mon, 22 Nov 2004 15:34:56 +0000") Message-ID: <52oehpevys.fsf@topspin.com> User-Agent: Gnus/5.1006 (Gnus v5.10.6) XEmacs/21.4 (Security Through Obscurity, linux) MIME-Version: 1.0 X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: roland@topspin.com Subject: Re: [PATCH][6/12][RFC/v1] Add IPoIB (IP-over-InfiniBand) driver Content-Type: text/plain; charset=us-ascii X-SA-Exim-Version: 4.1 (built Tue, 17 Aug 2004 11:06:07 +0200) X-SA-Exim-Scanned: Yes (on eddore) X-OriginalArrivalTime: 22 Nov 2004 15:37:21.0228 (UTC) FILETIME=[27FED8C0:01C4D0A9] X-archive-position: 12107 X-ecartis-version: Ecartis v1.0.0 Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com X-original-sender: roland@topspin.com Precedence: bulk X-list: netdev Christoph> That just means avoidable interface changes sooner or Christoph> later. The dma_ interfaces also have the added benefit Christoph> of allowing better control of the type of consistant Christoph> allocation interface. OK, I have no problem making this change. Christoph> Note that pathscale already has direct to HT infiniband Christoph> components, but it's not sure whether they'll ever be Christoph> supported by the OpenIB codebase. HT actually looks like PCI to software... however I do see advantages to using the dma_* stuff for supporting the pathscale hardware, if they every open up their specs. - R.