From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Subject: Re: [PATCH 1/1] Userspace I/O (UIO): Add support for userspace DMA From: Peter Zijlstra In-Reply-To: <208aa0f00812051632h38fc0a5g58d233190436cc90@mail.gmail.com> References: <43FC624C55D8C746A914570B66D642610367F29B@cos-us-mb03.cos.agilent.com> <1228379942.5092.14.camel@twins> <20081204180809.GB3079@local> <1228461060.18899.8.camel@twins> <20081205094447.GA3081@local> <208aa0f00812051632h38fc0a5g58d233190436cc90@mail.gmail.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Fri, 12 Dec 2008 18:25:12 +0100 Message-Id: <1229102712.13566.14.camel@twins> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: Edward Estabrook Cc: "Hans J. Koch" , edward_estabrook@agilent.com, linux-kernel@vger.kernel.org, gregkh@suse.de, edward.estabrook@gmail.com, hugh , linux-mm , Thomas Gleixner List-ID: On Fri, 2008-12-05 at 16:32 -0800, Edward Estabrook wrote: > > Well, UIO already rapes the mmap interface by using the "offset" parameter to > > pass in the number of the mapping. > > Exactly. Had I known about it then, I'd NAK'd it, but I guess now that its already merged changing it will be hard :/ Also, having done something bad in the past doesn't mean you can continue doing the wrong thing.