From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753561AbcHPMEW (ORCPT ); Tue, 16 Aug 2016 08:04:22 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:59496 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752214AbcHPMEV (ORCPT ); Tue, 16 Aug 2016 08:04:21 -0400 Date: Tue, 16 Aug 2016 14:04:15 +0200 From: Peter Zijlstra To: Mark Rutland Cc: Zhengyu Shen , shawnguo@kernel.org, frank.li@nxp.com, linux-kernel@vger.kernel.org, acme@kernel.org, alexander.shishkin@linux.intel.com, mingo@redhat.com, lznuaa@gmail.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v2] Added perf functionality to mmdc driver Message-ID: <20160816120415.GJ30192@twins.programming.kicks-ass.net> References: <20160815223035.5429-1-zhengyu.shen@nxp.com> <20160815165050.GB31080@svinekod> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160815165050.GB31080@svinekod> 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, Aug 15, 2016 at 05:50:50PM +0100, Mark Rutland wrote: > For the Nth time, I'm going to say that really, we should have the core check > this (or expose helpers to do so). It's somewhat ridiculous that evry driver > has to blacklist everything it doesn't support, rather than whitelisting the > few things that it does. I'll look at patches ;-)