From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266502AbUBGCyN (ORCPT ); Fri, 6 Feb 2004 21:54:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266528AbUBGCyN (ORCPT ); Fri, 6 Feb 2004 21:54:13 -0500 Received: from mail.shareable.org ([81.29.64.88]:28112 "EHLO mail.shareable.org") by vger.kernel.org with ESMTP id S266502AbUBGCyM (ORCPT ); Fri, 6 Feb 2004 21:54:12 -0500 Date: Sat, 7 Feb 2004 02:54:04 +0000 From: Jamie Lokier To: "Tillier, Fabian" Cc: linux-kernel@vger.kernel.org, infiniband-general@lists.sourceforge.net Subject: Re: [Infiniband-general] Getting an Infiniband access layer in the Linux kernel Message-ID: <20040207025404.GJ12503@mail.shareable.org> References: <08628CA53C6CBA4ABAFB9E808A5214CB01DB96A4@mercury.infiniconsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <08628CA53C6CBA4ABAFB9E808A5214CB01DB96A4@mercury.infiniconsys.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Tillier, Fabian wrote: > Further, comments in the x86 code base indicated that only 24-bits > are actually valid (probably from some i386 limitation that is no > longer relevant). It is because of the Sparc architecture. I think Sparc doesn't (or perhaps didn't) have atomic operations, so a cunning hack is used to simulate them. -- Jamie