From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [PATCH V2 4/4] cpufreq: schedutil: irq-work and mutex are only used in slow path Date: Thu, 24 Nov 2016 07:24:05 +0100 Message-ID: <20161124062405.GA24022@gmail.com> References: <20161124045337.GB18417@gmail.com> <20161124061203.GF9376@vireshk-i7> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-wj0-f195.google.com ([209.85.210.195]:35920 "EHLO mail-wj0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750726AbcKXGYJ (ORCPT ); Thu, 24 Nov 2016 01:24:09 -0500 Content-Disposition: inline In-Reply-To: <20161124061203.GF9376@vireshk-i7> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Viresh Kumar Cc: Rafael Wysocki , Ingo Molnar , Peter Zijlstra , linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Vincent Guittot , Juri Lelli , Robin Randhawa , Steve Muckle * Viresh Kumar wrote: > > * Viresh Kumar wrote: > > > > > Execute the irq-work specific initialization/exit code only when the > > > fast path isn't available. > > > > Is this an optimization? A correctness fix? > > Its an optimization but yeah I will try to explain a bit more next time. Thanks! Ingo