Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756012AbaFWPtn (ORCPT ); Mon, 23 Jun 2014 11:49:43 -0400 Received: from mga01.intel.com ([192.55.52.88]:48904 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755850AbaFWPtl (ORCPT ); Mon, 23 Jun 2014 11:49:41 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,530,1400050800"; d="scan'208";a="552066271" Date: Mon, 23 Jun 2014 08:49:31 -0700 From: Andi Kleen To: Peter Zijlstra Cc: "Paul E. McKenney" , 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, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com, dave.hansen@intel.com, cl@gentwo.org, umgwanakikbuti@gmail.com Subject: Re: [PATCH tip/core/rcu] Reduce overhead of cond_resched() checks for RCU Message-ID: <20140623154931.GF8178@tassilo.jf.intel.com> References: <20140621025958.GA7185@linux.vnet.ibm.com> <20140623062615.GB19860@laptop.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140623062615.GB19860@laptop.programming.kicks-ass.net> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On the topic of these threads; I recently noticed RCU grew a metric ton > of them, I found some 75 rcu kthreads on my box, wth up with that? It seems like RCU is growing in complexity all the time. Can it be put on a diet in general? No more new CONFIGs please either. -Andi -- ak@linux.intel.com -- Speaking for myself only -- 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/