From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030253AbWGYXaH (ORCPT ); Tue, 25 Jul 2006 19:30:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030255AbWGYXaH (ORCPT ); Tue, 25 Jul 2006 19:30:07 -0400 Received: from mail-in-04.arcor-online.net ([151.189.21.44]:46247 "EHLO mail-in-04.arcor-online.net") by vger.kernel.org with ESMTP id S1030253AbWGYXaF (ORCPT ); Tue, 25 Jul 2006 19:30:05 -0400 In-Reply-To: <20060725222547.GA3973@localhost.localdomain> References: <03BCDC7F-13D9-42FC-86FC-30C76FD3B3B8@kernel.crashing.org> <20060725182833.GE4608@hmsreliant.homelinux.net> <44C66C91.8090700@zytor.com> <20060725192138.GI4608@hmsreliant.homelinux.net> <20060725194733.GJ4608@hmsreliant.homelinux.net> <21d7e9970607251304n5681bf44gc751c21fd79be99d@mail.gmail.com> <44C67E1A.7050105@zytor.com> <20060725204736.GK4608@hmsreliant.homelinux.net> <44C6842C.8020501@zytor.com> <20060725222547.GA3973@localhost.localdomain> Mime-Version: 1.0 (Apple Message framework v750) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <70FED39F-E2DF-48C8-B401-97F8813B988E@kernel.crashing.org> Cc: "H. Peter Anvin" , Dave Airlie , linux-kernel@vger.kernel.org, a.zummo@towertech.it, jg@freedesktop.org Content-Transfer-Encoding: 7bit From: Segher Boessenkool Subject: Re: [PATCH] RTC: Add mmap method to rtc character driver Date: Wed, 26 Jul 2006 01:29:25 +0200 To: Neil Horman X-Mailer: Apple Mail (2.750) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > Yes, but if its in trade for something thats being used currently > which hurts > more (case in point being the X server), using this solution is a > net gain. ...in the short term. > I'm not arguing with you that adding a low res gettimeofday > vsyscall is a better > long term solution, but doing that requires potentially several > implementations > in the C library accross a range of architectures, some of which > may not be able > to provide a time solution any better than what the gettimeofday > syscall > provides today. The /dev/rtc solution is easy, available right > now, and applies > to all arches. "All"? Segher