Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753338AbYCBDJZ (ORCPT ); Sat, 1 Mar 2008 22:09:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750810AbYCBDJQ (ORCPT ); Sat, 1 Mar 2008 22:09:16 -0500 Received: from scrub.xs4all.nl ([194.109.195.176]:35883 "EHLO scrub.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750774AbYCBDJP (ORCPT ); Sat, 1 Mar 2008 22:09:15 -0500 Date: Sun, 2 Mar 2008 04:09:03 +0100 (CET) From: Roman Zippel X-X-Sender: roman@scrub.home To: Steven Rostedt cc: "Paul E. McKenney" , ego@in.ibm.com, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, Ingo Molnar , Dipankar Sarma , Ted Tso , dvhltc@us.ibm.com, Oleg Nesterov , Andrew Morton , bunk@kernel.org, Josh Triplett , Thomas Gleixner , Peter Zijlstra Subject: Re: [RFC PATCH 4/6] Preempt-RCU: Implementation In-Reply-To: Message-ID: References: <20071213170348.GA25981@in.ibm.com> <20071213171658.GE25981@in.ibm.com> <200802290534.57040.zippel@linux-m68k.org> <20080229045328.GA18687@linux.vnet.ibm.com> <20080301193903.GC15887@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 831 Lines: 29 Hi, On Sat, 1 Mar 2008, Steven Rostedt wrote: > > config CLASSIC_RCU > > - bool "Classic RCU" > > + def_bool !PREEMPT_RCU > > help > > This option selects the classic RCU implementation that is > > designed for best read-side performance on non-realtime > > - systems. > > Actually Paul, you don't need to make this an "option". Simply the default > if PREEMPT_RCU is not selected. In otherwords, no prompt. > > config CLASSIC_RCU > bool > depends on !PREEMPT_RCU > default y There is no prompt. :) "def_bool !PREEMPT_RCU" does the same as this. bye, Roman -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/