From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751855AbbJLRmt (ORCPT ); Mon, 12 Oct 2015 13:42:49 -0400 Received: from mail-wi0-f171.google.com ([209.85.212.171]:35002 "EHLO mail-wi0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751467AbbJLRms (ORCPT ); Mon, 12 Oct 2015 13:42:48 -0400 Date: Mon, 12 Oct 2015 19:42:41 +0200 From: Frederic Weisbecker To: Chris Metcalf Cc: paulmck@linux.vnet.ibm.com, Ingo Molnar , LKML , Peter Zijlstra , Mike Galbraith , Dave Jones , Thomas Gleixner , Oleg Nesterov , Christoph Lameter , Alexey Dobriyan , Rik van Riel , Andrew Morton Subject: Re: [PATCH] nohz: Revert "nohz: Set isolcpus when nohz_full is set" Message-ID: <20151012174238.GA1113@lerouge> References: <1444663283-30068-1-git-send-email-fweisbec@gmail.com> <20151012153202.GB3910@linux.vnet.ibm.com> <20151012162001.GA32228@lerouge> <20151012165353.GF3910@linux.vnet.ibm.com> <561BE5FC.1020300@ezchip.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <561BE5FC.1020300@ezchip.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 12, 2015 at 12:55:24PM -0400, Chris Metcalf wrote: > On 10/12/2015 12:53 PM, Paul E. McKenney wrote: > > Is it worth starting to think about grouping things under the > "task isolation" model somehow? "task_isolation_cpus=1-31" > or some such for this, and then that just sets up the nohz_full > and isolcpus options under the hood? Yeah if I could do it again, I would have rather created something like cpu_isolation= (which name would conflict with isolcpus though) instead of nohz_full=, because nohz_full= is really just a subset of what people want. But yeah if you guys want to create a new parameter that gathers nohz and isolcpus I think we can. task_isolation is really just about tasks so it should be another name.