From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753128AbcISXjq (ORCPT ); Mon, 19 Sep 2016 19:39:46 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:57323 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751685AbcISXjp (ORCPT ); Mon, 19 Sep 2016 19:39:45 -0400 Date: Tue, 20 Sep 2016 01:37:19 +0200 (CEST) From: Thomas Gleixner To: Christoph Hellwing cc: LKML , linux-block@vger.kernel.org, Jens Axboe , Sebastian Siewior , Peter Zijlstra , rt@linutronix.de Subject: Re: [patch 2/3] blk/mq/cpu-notif: Convert to hotplug state machine In-Reply-To: <20160919222421.GA7077@lst.de> Message-ID: References: <20160919212207.161583394@linutronix.de> <20160919212601.094034281@linutronix.de> <20160919222421.GA7077@lst.de> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 20 Sep 2016, Christoph Hellwing wrote: > On Mon, Sep 19, 2016 at 09:28:20PM -0000, Thomas Gleixner wrote: > > From: Sebastian Andrzej Siewior > > > > Install the callbacks via the state machine so we can phase out the cpu > > hotplug notifiers.. > > Didn't Sebastian come up with a version of the hotplug state callbacks > that can be per-object? This seems to be a perfect candidate for that. Indeed. I wrote that myself and forgot about it already..... :( So yes, we can use that and get rid of blk-mq-cpu.c completely. Thanks, tglx