Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752727AbbKPJth (ORCPT ); Mon, 16 Nov 2015 04:49:37 -0500 Received: from mail-wm0-f45.google.com ([74.125.82.45]:38319 "EHLO mail-wm0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751665AbbKPJtd (ORCPT ); Mon, 16 Nov 2015 04:49:33 -0500 Message-ID: <5649A6A9.1030101@plexistor.com> Date: Mon, 16 Nov 2015 11:49:29 +0200 From: Boaz Harrosh User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Takashi Iwai CC: Stable Tree , Greg KH , Dan Williams , linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, linux-nvdimm@ml01.01.org, Jaroslav Kysela , Jeff Moyer Subject: Re: [PATCH] sound: depend on ZONE_DMA References: <20151112201357.11045.22705.stgit@dwillia2-desk3.jf.intel.com> <56486417.7090802@plexistor.com> <56499AB4.6060507@plexistor.com> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1337 Lines: 41 On 11/16/2015 11:28 AM, Takashi Iwai wrote: <> >> >> Hi Greg >> >> Please include the mainline patch: >> [2db1a57] ALSA: pci: depend on ZONE_DMA (by Dan Williams) >> >> To the stable tree for v4.3.X Kernel. >> >> This patch is needed for proper operation of the 4.3 pmem.ko driver. Long >> story, but without this patch the persistent-memory will not be able to >> work with the new 4.3 support of page-struct which is needed if we want to >> RDMA and/or IO directly to persistent memory. >> [Is to do with the new ZONE_DEVICE and too many ZONE(s) if ZONE_DMA is enabled] > > Well, it's not exactly true: you just need to deselect some drivers to > allow CONFIG_ZONE_DMA to be disabled. It's merely another side of > coin. > > I don't mind including this to 4.3, though, but just want to correct > the statement. > This is true. Sorry for not being clear. We already have a script that we give to clients to enable ZONE_DEVICE for 4.3 based systems. Is currently simple based on this patch. Without this patch it will need to be more complicated. Thanks Takashi Boaz > > Takashi > -- 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/