From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753037AbcBHNNi (ORCPT ); Mon, 8 Feb 2016 08:13:38 -0500 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:39965 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750982AbcBHNNf (ORCPT ); Mon, 8 Feb 2016 08:13:35 -0500 Date: Mon, 8 Feb 2016 13:13:20 +0000 From: Mark Brown To: Dietmar Eggemann Cc: Juri Lelli , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, peterz@infradead.org, vincent.guittot@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, linux@arm.linux.org.uk, sudeep.holla@arm.com, lorenzo.pieralisi@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, morten.rasmussen@arm.com Message-ID: <20160208131320.GA7265@sirena.org.uk> References: <1454500799-18451-1-git-send-email-juri.lelli@arm.com> <1454500799-18451-5-git-send-email-juri.lelli@arm.com> <56B889F7.306@arm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="T4sUOijqQbZv57TR" Content-Disposition: inline In-Reply-To: <56B889F7.306@arm.com> X-Cookie: All work and no pay makes a housewife. User-Agent: Mutt/1.5.24 (2015-08-30) X-SA-Exim-Connect-IP: 2a01:348:6:8808:fab::3 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Re: [PATCH v3 4/6] arm64: Enable dynamic CPU capacity initialization X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on mezzanine.sirena.org.uk) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --T4sUOijqQbZv57TR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Feb 08, 2016 at 12:28:39PM +0000, Dietmar Eggemann wrote: > On 03/02/16 11:59, Juri Lelli wrote: > > +bool arch_wants_init_cpu_capacity(void) > > +{ > > + return true; > Isn't this a little bit too simple? Not every ARM/ARM64 platform is a > heterogeneous one. Does it matter? Is there any problem with doing the callibration and having it say that all the CPUs performs very similarly? My understanding was that this was simply saying it was worth checking to see if there was some asymmetry. --T4sUOijqQbZv57TR Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJWuJRtAAoJECTWi3JdVIfQUD8H/iZc9YYBDMzZWkZsDW2IrWBo mDB9Z9DscDFYhmPG71m4uDBk9HFx3FtdJWU5TZ6UBXLrsVcPCys7CS9PG3BGHv/s OgIGl3tXNIjh23IejucCofWy/6ER9v+vYlfCnJ39sE0jcD9OT55w5T3wjhbC9/EC 2hW2q80MvlBRLK8NtYby9PvRlvIGD631R/VoBRFCANTxLVvHvxY/kvxOKXCsYnaj j17sETQbOh0MkS+gAXunXg3jVbUasVCN//gCBjsa1NyGRcZVven2L4bHDrmaT4jN ZZcJPTtmw6HXatCNf4j6tPOYtxNfumLsahV4/wX7VLbtaAmAgjq0H18YDUCJHa0= =aRfM -----END PGP SIGNATURE----- --T4sUOijqQbZv57TR--