From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752302AbbCZK3t (ORCPT ); Thu, 26 Mar 2015 06:29:49 -0400 Received: from verein.lst.de ([213.95.11.211]:51792 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751278AbbCZK3s (ORCPT ); Thu, 26 Mar 2015 06:29:48 -0400 Date: Thu, 26 Mar 2015 11:29:46 +0100 From: Christoph Hellwig To: Ingo Molnar Cc: Christoph Hellwig , linux-nvdimm@ml01.01.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, ross.zwisler@linux.intel.com, axboe@kernel.dk, boaz@plexistor.com Subject: Re: [PATCH 2/3] x86: add a is_e820_ram() helper Message-ID: <20150326102946.GA29363@lst.de> References: <1427358764-6126-1-git-send-email-hch@lst.de> <1427358764-6126-3-git-send-email-hch@lst.de> <20150326090215.GA11520@gmail.com> <20150326093424.GA28217@lst.de> <20150326100413.GA19739@gmail.com> <20150326101923.GA29148@lst.de> <20150326102810.GB19907@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150326102810.GB19907@gmail.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 26, 2015 at 11:28:10AM +0100, Ingo Molnar wrote: > btw., there's half a dozen block drivers in arch/* platform code, so > in theory even the block driver could be merged there - but I agree > that it's much cleaner and more generic in drivers/block/. The block driver isn't really architecture specific. With the upcoming UEFI interface to discover persistent memory arm, arm64 and in theory ia64 will immeditately benefit from it. I also expect it to show up on powerpc sooner or later at least.