From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3wPGB56MkjzDqc2 for ; Fri, 12 May 2017 13:46:53 +1000 (AEST) From: Michael Ellerman To: pc@us.ibm.com, Nicholas Piggin , linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH] powerpc/64s: dt_cpu_ftrs boot time setup option In-Reply-To: <9b214f48-9d56-440c-f6d0-6308ff47305d@us.ibm.com> References: <20170511112441.30287-1-npiggin@gmail.com> <9b214f48-9d56-440c-f6d0-6308ff47305d@us.ibm.com> Date: Fri, 12 May 2017 13:46:53 +1000 Message-ID: <87inl6butu.fsf@concordia.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Paul Clarke writes: > On 05/11/2017 06:24 AM, Nicholas Piggin wrote: >> Provide a dt_cpu_ftrs= cmdline option to disable the dt_cpu_ftrs CPU >> feature discovery, and fall back to the "cputable" based version. > > This boat has already sailed, I think, but "ftrs"? What you think vowels grow on trees! :) > Was it too difficult to type "features"? For the command line option we could spell out features. But should we also expand "dt", and "cpu" ? device_tree_central_processing_unit_features=off :P > This seems like something that should be easy and intuitive to find > and understand. Maybe. Ideally no one will ever use it, certainly not end users, it's primarily intended for developers doing bring-up. cheers