From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751286AbcFUJBG (ORCPT ); Tue, 21 Jun 2016 05:01:06 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:38462 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750731AbcFUJBC (ORCPT ); Tue, 21 Jun 2016 05:01:02 -0400 Date: Tue, 21 Jun 2016 10:12:02 +0200 From: Peter Zijlstra To: Jiri Olsa Cc: Jiri Olsa , Ingo Molnar , lkml , James Hartsock , Rik van Riel , Srivatsa Vaddagiri , Kirill Tkhai , Frederic Weisbecker Subject: Re: [PATCH 2/4] sched/fair: Introduce idle enter/exit balance callbacks Message-ID: <20160621081202.GO30909@twins.programming.kicks-ass.net> References: <1466424914-8981-1-git-send-email-jolsa@kernel.org> <1466424914-8981-3-git-send-email-jolsa@kernel.org> <20160620143003.GI30154@twins.programming.kicks-ass.net> <20160620162741.GB10167@krava> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160620162741.GB10167@krava> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 20, 2016 at 06:27:41PM +0200, Jiri Olsa wrote: > so it might not be that easy to switch it to use the easy > change I added as part of this RFC, but AFAIU it should be > the same idle mask, but this approach might be too naive > and miss some idle enter/exit paths.. CC-ing Frederic Right, for RFC this will do; but I really want to avoid adding another global atomic bitmask on the idle path. In any case, I'll go look over the actual patches sometime soon, I still got a few other patches series to stare at first.