Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751841AbdC0SK0 (ORCPT ); Mon, 27 Mar 2017 14:10:26 -0400 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:43056 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751511AbdC0SKP (ORCPT ); Mon, 27 Mar 2017 14:10:15 -0400 Date: Mon, 27 Mar 2017 19:09:41 +0100 From: Mark Brown To: "Rafael J. Wysocki" Cc: Juri Lelli , Peter Zijlstra , mingo@redhat.com, viresh.kumar@linaro.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, tglx@linutronix.de, vincent.guittot@linaro.org, rostedt@goodmis.org, luca.abeni@santannapisa.it, claudio@evidence.eu.com, tommaso.cucinotta@santannapisa.it, bristot@redhat.com, mathieu.poirier@linaro.org, tkjos@android.com, joelaf@google.com, andresoportus@google.com, morten.rasmussen@arm.com, dietmar.eggemann@arm.com, patrick.bellasi@arm.com, Ingo Molnar , "Rafael J . Wysocki" Message-ID: <20170327180941.3z7i5wurvsg3bmia@sirena.org.uk> References: <20170324140900.7334-1-juri.lelli@arm.com> <37277532.TseFq3j8HT@aspire.rjw.lan> <20170327171336.GD10289@e106622-lin> <1721120.3Th1GMboUn@aspire.rjw.lan> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="n3qrdkprev6v37ix" Content-Disposition: inline In-Reply-To: <1721120.3Th1GMboUn@aspire.rjw.lan> X-Cookie: No shirt, no shoes, no service. User-Agent: NeoMutt/20161126 (1.7.1) X-SA-Exim-Connect-IP: 2001:470:1f1d:6b5::3 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: No (on mezzanine.sirena.org.uk); Unknown failure Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1233 Lines: 33 --n3qrdkprev6v37ix Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Mar 27, 2017 at 07:37:39PM +0200, Rafael J. Wysocki wrote: > One is that if we want *all* drivers to work with schedutil, we need to keep > the kthread for the ones that will never be reworked (because nobody cares > etc). But then perhaps the kthread implementation may be left alone (because > nobody cares etc). A very large proportion of the affected code (at least once you get into the realm of talking to the PMICs) is shared in core code in various subsystems rather than in individual drivers so the problem might be tractable. --n3qrdkprev6v37ix Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAljZVWQACgkQJNaLcl1U h9Bgxwf+JtePtCPPtO2T+mmuR99WfQuR0ymyCN44ZHwLinkJH0qLLbOkvYQ5N+eS 9V+oZMStOWGd6+ve4jlB3FW71AJmwNXoJr5nXD5wsKr3BHPfhxe00p8cUUDVXJn+ jF90dTdM5YXbXaxIivQe5oaneKtufvemQV1OJAgVaWGdk9SVjjJUcINWk/Eyh5ex IkwpjxAubuh6vT2WK/sqEohWRA99NWDGl7nPDRcptS32wA4z4UIpI9YFsjM8E3SL cza3iUqn/d+XK0Ggv6gg7Lj8TIuaW5vOo6RkFUft8Ac6IaI+Cm9fiyEN4rMl/pnp fi/hmVQFDveweI0sb9sjspnUNu0F5Q== =VLVF -----END PGP SIGNATURE----- --n3qrdkprev6v37ix--