From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760415AbaCUO6R (ORCPT ); Fri, 21 Mar 2014 10:58:17 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:43644 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754143AbaCUO6M (ORCPT ); Fri, 21 Mar 2014 10:58:12 -0400 Date: Fri, 21 Mar 2014 07:59:37 -0700 From: "gregkh@linuxfoundation.org" To: Matt Sickler Cc: "hjk@hansjkoch.de" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH]: UIO read(2)/write(2) overrides Message-ID: <20140321145937.GA30227@kroah.com> References: <8FAD17D1809CB042A0963E8337B9FE3DD7D823@MB-EXC-04.daktronics.lan> <20140321142429.GA25833@kroah.com> <8FAD17D1809CB042A0963E8337B9FE3DD7D871@MB-EXC-04.daktronics.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8FAD17D1809CB042A0963E8337B9FE3DD7D871@MB-EXC-04.daktronics.lan> User-Agent: Mutt/1.5.22 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 21, 2014 at 02:49:28PM +0000, Matt Sickler wrote: > From: gregkh@linuxfoundation.org [mailto:gregkh@linuxfoundation.org] > > > >On Fri, Mar 21, 2014 at 02:20:11PM +0000, Matt Sickler wrote: > >> Tiny patch to let uio-based drivers override the read(2), write(2), and poll(2) syscalls. > >> The rationale is that some uio-based drivers might want the mmap(2) > >> functionality of UIO, but have no need for the IRQ semantics of read(2) and write(2). > > > >Can you submit a driver that uses these new interfaces as well? I don't want to add something that isn't used in the kernel. > > We're developing a driver for a new product but the driver is still in > a state of flux, so it's not ready for posting yet. > We will definitely get this out there once it's more polished. > If you want to hold off applying this patch until we have something to > submit that uses it, I'm fine with that. Yes, we will have to wait until we see that driver, thanks. greg k-h