Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932423AbbEWOjx (ORCPT ); Sat, 23 May 2015 10:39:53 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:57704 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753128AbbEWOjt (ORCPT ); Sat, 23 May 2015 10:39:49 -0400 Date: Sat, 23 May 2015 07:39:35 -0700 From: Christoph Hellwig To: Dan Williams Cc: axboe@kernel.dk, linux-nvdimm@ml01.01.org, neilb@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, Andy Lutomirski , Jens Axboe , linux-acpi@vger.kernel.org, "H. Peter Anvin" , hch@lst.de, mingo@kernel.org Subject: Re: [PATCH v3 09/21] libnd, nd_pmem: add libnd support to the pmem driver Message-ID: <20150523143935.GA23903@infradead.org> References: <20150520205536.32249.89779.stgit@dwillia2-desk3.amr.corp.intel.com> <20150520205700.32249.9798.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150520205700.32249.9798.stgit@dwillia2-desk3.amr.corp.intel.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 812 Lines: 16 On Wed, May 20, 2015 at 04:57:00PM -0400, Dan Williams wrote: > nd_pmem attaches to persistent memory regions and namespaces emitted by > the libnd subsystem, and, same as the original pmem driver, presents the > system-physical-address range as a block device. > > The existing e820-type-12 to pmem setup is converted to a full libnd bus > that emits an nd_namespace_io device. This looks completely bonkers. If you want to pretend the legacy e820 NVDIMMs fit into your new world do that directly in arch/x86/kernel/pmem.c instead of splitting it over two files. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/