Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754811AbaGKSKq (ORCPT ); Fri, 11 Jul 2014 14:10:46 -0400 Received: from qmta02.emeryville.ca.mail.comcast.net ([76.96.30.24]:35111 "EHLO qmta02.emeryville.ca.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751424AbaGKSKp (ORCPT ); Fri, 11 Jul 2014 14:10:45 -0400 Date: Fri, 11 Jul 2014 13:10:41 -0500 (CDT) From: Christoph Lameter To: Frederic Weisbecker 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, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, dvhart@linux.intel.com, oleg@redhat.com, sbw@mit.edu Subject: Re: [PATCH tip/core/rcu 11/17] rcu: Bind grace-period kthreads to non-NO_HZ_FULL CPUs In-Reply-To: <20140708183846.GJ6571@localhost.localdomain> Message-ID: References: <20140707223756.GA7187@linux.vnet.ibm.com> <1404772701-8804-1-git-send-email-paulmck@linux.vnet.ibm.com> <1404772701-8804-11-git-send-email-paulmck@linux.vnet.ibm.com> <20140708152358.GF6571@localhost.localdomain> <20140708154723.GN4603@linux.vnet.ibm.com> <20140708183846.GJ6571@localhost.localdomain> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 8 Jul 2014, Frederic Weisbecker wrote: > > I was figuring that a fair number of the kthreads might eventually > > be using this, not just for the grace-period kthreads. > > Ok makes sense. But can we just rename the cpumask to housekeeping_mask? That would imply that all no-nohz processors are housekeeping? So all processors with a tick are housekeeping? Could we make that set configurable? Ideally I'd like to have the ability restrict the housekeeping to one processor. -- 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/