Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934243AbbDUQcU (ORCPT ); Tue, 21 Apr 2015 12:32:20 -0400 Received: from e38.co.us.ibm.com ([32.97.110.159]:53027 "EHLO e38.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933040AbbDUQcQ (ORCPT ); Tue, 21 Apr 2015 12:32:16 -0400 Date: Tue, 21 Apr 2015 08:54:13 -0700 From: "Paul E. McKenney" To: Steven Rostedt Cc: Clark Williams , Ingo Molnar , linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, a.p.zijlstra@chello.nl, akpm@linux-foundation.org, linux-rt-users@vger.kernel.org Subject: Re: [GIT RFC PULL rcu/urgent] Prevent Kconfig from asking pointless questions Message-ID: <20150421155413.GG5561@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <20150419020541.GA5561@linux.vnet.ibm.com> <20150420113554.598e503f@sluggy> <20150420170902.GU5561@linux.vnet.ibm.com> <20150420204049.GF24936@home.goodmis.org> <20150420211504.GW5561@linux.vnet.ibm.com> <20150420165007.295f3fe0@sluggy> <20150421012258.GZ5561@linux.vnet.ibm.com> <20150421091232.6c66ba7b@gandalf.local.home> <20150421150122.GC5561@linux.vnet.ibm.com> <20150421115027.05b562cd@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150421115027.05b562cd@gandalf.local.home> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15042116-0029-0000-0000-000009421CD0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 975 Lines: 26 On Tue, Apr 21, 2015 at 11:50:27AM -0400, Steven Rostedt wrote: > On Tue, 21 Apr 2015 08:01:22 -0700 > "Paul E. McKenney" wrote: > > > > > Seem reasonable? > > > > > > Does chrt override the kthread_prio at run time? If so, then great. > > > Otherwise, the sysadmin should still have a way to control their > > > priorities of kernel threads (with few exceptions like the migration > > > thread). > > > > Yep, RCU sets the prios only at boot time, so if they are set differently > > at runtime, they should stay set differently. Unless chrt refuses to > > work on kthreads or something. ;-) > > Great! This all sounds reasonable to me :-) OK, will proceed as planned, then! Thanx, Paul -- 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/