From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tim Sander Subject: Re: Does anyone use CONFIG_TINY_PREEMPT_RCU? Date: Tue, 13 Nov 2012 21:22:29 +0100 Message-ID: <201211132122.30259.tim01@vlsi.informatik.tu-darmstadt.de> References: <20121113004906.GA10557@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, edumazet@google.com, darren@dvhart.com, fweisbec@gmail.com, sbw@mit.edu, patches@linaro.org To: paulmck@linux.vnet.ibm.com Return-path: Received: from lvps176-28-13-145.dedicated.hosteurope.de ([176.28.13.145]:45370 "EHLO lvps176-28-13-145.dedicated.hosteurope.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755581Ab2KMUWV (ORCPT ); Tue, 13 Nov 2012 15:22:21 -0500 In-Reply-To: <20121113004906.GA10557@linux.vnet.ibm.com> Sender: linux-rt-users-owner@vger.kernel.org List-ID: Hi Paul > I know of people using TINY_RCU, TREE_RCU, and TREE_PREEMPT_RCU, but I > have not heard of anyone using TINY_PREEMPT_RCU for whom TREE_PREEMPT_RCU > was not a viable option (in contrast, the people running Linux on > tiny-memmory systems typically use TINY_RCU). Of course, if no one > really needs it, the proper thing to do is to remove it. > > So, if you need TINY_PREEMPT_RCU, please let me know. Otherwise, I will > remove it, probably in the 3.9 timeframe. I am using TINY_PREEMPT_RCU on the i.mx35 platform. I am currently on 3.4-rt since the 3.6 compile failed due to for my config? Some strange device tree stuff which i haven't had the time to figure out why. Best regards Tim