From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752210AbaGaT3i (ORCPT ); Thu, 31 Jul 2014 15:29:38 -0400 Received: from mga03.intel.com ([143.182.124.21]:11758 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750907AbaGaT3h (ORCPT ); Thu, 31 Jul 2014 15:29:37 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,774,1400050800"; d="scan'208";a="463709047" From: Andi Kleen To: paulmck@linux.vnet.ibm.com Cc: linux-kernel@vger.kernel.org, mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com, bobby.prani@gmail.com Subject: Re: [PATCH v2 tip/core/rcu 0/10] RCU-tasks implementation References: <20140731003914.GA3872@linux.vnet.ibm.com> Date: Thu, 31 Jul 2014 12:29:36 -0700 In-Reply-To: <20140731003914.GA3872@linux.vnet.ibm.com> (Paul E. McKenney's message of "Wed, 30 Jul 2014 17:39:14 -0700") Message-ID: <871tt1qqcf.fsf@tassilo.jf.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org "Paul E. McKenney" writes: > Hello! > > This series provides a prototype of an RCU-tasks implementation, which has > been requested to assist with tramopoline removal. Is that trampoline removal (whatever it is) important enough to justify adding that much new (and complicated) code? Are there other potential users of this? Is the long term maintenance cost justified? Will RCU keep growing forever? -Andi -- ak@linux.intel.com -- Speaking for myself only