From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5C3EC432C0 for ; Tue, 3 Dec 2019 12:43:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 79EEA20684 for ; Tue, 3 Dec 2019 12:43:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="m8Z9EA16" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726318AbfLCMnC (ORCPT ); Tue, 3 Dec 2019 07:43:02 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:43192 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725954AbfLCMnC (ORCPT ); Tue, 3 Dec 2019 07:43:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=y32EyG9QTIAAfBfEpUvYlhT+mcWXafYYc7fjM/sPObM=; b=m8Z9EA16p0cdhP5aXa2cDeouD 8v18exxvbDL2VZ+g12YOFJL8h4D64m1aUWCjUztX9coGysKzDNmS82ECczmiSSugoSgZ9I8fL9733 yByR1W4OgWm9Ji+79sSU19wUMIbaL9vhWILbJzqBWIYJTITSALTfX8PQqTR6ncq9isowfjM5tK81V DhgMGFKKI5B5HnMtJhJFcrzkzezv2TLmE+jL2cmZiZL0voqrqklRcOy//ON418iZSdT3QArUEvbuM ATlvjkn6wfb7OXS8n+w6/tzVdX7N06vOEiLtYT8y+Qz025I88HodvPHRaxMl+zkd3oThPgqxf9AOL VUr5RTx1g==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1ic7Vo-0007i6-VW; Tue, 03 Dec 2019 12:42:40 +0000 Date: Tue, 3 Dec 2019 04:42:40 -0800 From: Matthew Wilcox To: Alastair D'Silva Cc: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Frederic Barrat , Andrew Donnellan , Arnd Bergmann , Greg Kroah-Hartman , Dan Williams , Vishal Verma , Dave Jiang , Keith Busch , Ira Weiny , Andrew Morton , Mauro Carvalho Chehab , "David S. Miller" , Rob Herring , Anton Blanchard , Krzysztof Kozlowski , Mahesh Salgaonkar , Madhavan Srinivasan , =?iso-8859-1?Q?C=E9dric?= Le Goater , Anju T Sudhakar , Hari Bathini , Thomas Gleixner , Greg Kurz , Nicholas Piggin , Masahiro Yamada , Alexey Kardashevskiy , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org Subject: Re: [PATCH v2 00/27] Add support for OpenCAPI SCM devices Message-ID: <20191203124240.GT20752@bombadil.infradead.org> References: <20191203034655.51561-1-alastair@au1.ibm.com> <20191203035057.GR20752@bombadil.infradead.org> <1e3892815b9684e3fb4f84bd1935ea7e68cd07d8.camel@au1.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1e3892815b9684e3fb4f84bd1935ea7e68cd07d8.camel@au1.ibm.com> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Dec 03, 2019 at 03:01:17PM +1100, Alastair D'Silva wrote: > On Mon, 2019-12-02 at 19:50 -0800, Matthew Wilcox wrote: > > On Tue, Dec 03, 2019 at 02:46:28PM +1100, Alastair D'Silva wrote: > > > This series adds support for OpenCAPI SCM devices, exposing > > > > Could we _not_ introduce yet another term for persistent memory? > > > > "Storage Class Memory" is an industry wide term, and is used repeatedly > in the device specifications. It's not something that has been pulled > out of thin air. "Somebody else also wrote down Storage Class Memory". Don't care. Google gets 750k hits for Persistent Memory and 150k hits for Storage Class Memory. This term lost. > The term is also already in use within the 'papr_scm' driver. The acronym "SCM" is already in use. Socket Control Messages go back to early Unix (SCM_RIGHTS, SCM_CREDENTIALS, etc). Really, you're just making the case that IBM already uses the term SCM. You should stop.