From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ch1outboundpool.messaging.microsoft.com (ch1ehsobe002.messaging.microsoft.com [216.32.181.182]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Microsoft Secure Server Authority" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 6D3C2B6F9F for ; Fri, 14 Oct 2011 02:34:30 +1100 (EST) Message-ID: <4E9704F9.1090103@freescale.com> Date: Thu, 13 Oct 2011 10:34:17 -0500 From: Timur Tabi MIME-Version: 1.0 To: Kumar Gala Subject: Re: [PATCH][v2] uio: Support 36-bit physical addresses on 32-bit systems References: <1318453063-17349-1-git-send-email-galak@kernel.crashing.org> <9BD33578-CD8E-4784-AC6A-ADE4614E0FC1@kernel.crashing.org> In-Reply-To: <9BD33578-CD8E-4784-AC6A-ADE4614E0FC1@kernel.crashing.org> Content-Type: text/plain; charset="ISO-8859-1" Cc: "linuxppc-dev@ozlabs.org" , "hjk@hansjkoch.de" , "gregkh@suse.de" , "linux-kernel@vger.kernel.org" , Jiang Kai-B18973 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Kumar Gala wrote: >>> >> + phys_addr_t addr; >> > >> > Please add a comment here saying: >> > >> > 1) That 'addr' can be a virtual or physical address > The code and everything else makes that clear I'm sorry, but I have to strongly disagree here. It is *NOT* clear that a variable of type 'phys_addr_t' can hold something that is not a physical address. -- Timur Tabi Linux kernel developer at Freescale