From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933153AbbI3Rcv (ORCPT ); Wed, 30 Sep 2015 13:32:51 -0400 Received: from casper.infradead.org ([85.118.1.10]:39983 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932295AbbI3Rcr (ORCPT ); Wed, 30 Sep 2015 13:32:47 -0400 Date: Wed, 30 Sep 2015 19:27:13 +0200 From: Peter Zijlstra To: Luiz Capitulino Cc: "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, riel@redhat.com, rafael.j.wysocki@intel.com, mingo@kernel.org, Linux PM list , Len Brown , Thomas Gleixner Subject: Re: [RFC 0/3] sched/idle: run-time support for setting idle polling Message-ID: <20150930172713.GV3816@twins.programming.kicks-ass.net> References: <1442954062-28578-1-git-send-email-lcapitulino@redhat.com> <1593595.NpzC8TsdGC@vostro.rjw.lan> <20150930154835.GP3604@twins.programming.kicks-ass.net> <20150930131610.1c2ba9c2@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150930131610.1c2ba9c2@redhat.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 30, 2015 at 01:16:10PM -0400, Luiz Capitulino wrote: > On Wed, 30 Sep 2015 17:48:35 +0200 > Peter Zijlstra wrote: > > Ideally every cpuidle driver would get 'polling' as a > > default state and the QoS constraints might select it if nothing else > > matches. > > So, I didn't know we had support for polling from the idle > thread via cpuidle. This solves the first part of the problem. I'm not sure we do; I'm saying that's what we should do ;-)