From patchwork Thu Dec 22 21:18:53 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ross Zwisler X-Patchwork-Id: 9486877 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 59DA5601C0 for ; Thu, 22 Dec 2016 21:19:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4168B2816B for ; Thu, 22 Dec 2016 21:19:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3623E2842E; Thu, 22 Dec 2016 21:19:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6E6EB2816B for ; Thu, 22 Dec 2016 21:19:06 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 4CC26823C3; Thu, 22 Dec 2016 13:19:06 -0800 (PST) X-Original-To: linux-nvdimm@lists.01.org Delivered-To: linux-nvdimm@lists.01.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id E3085823C3 for ; Thu, 22 Dec 2016 13:19:05 -0800 (PST) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga102.fm.intel.com with ESMTP; 22 Dec 2016 13:19:05 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.33,390,1477983600"; d="scan'208"; a="1075369262" Received: from rzwisler-desk1.amr.corp.intel.com (HELO tarkir.intel.com) ([10.255.0.224]) by orsmga001.jf.intel.com with ESMTP; 22 Dec 2016 13:19:04 -0800 From: Ross Zwisler To: linux-kernel@vger.kernel.org Subject: [PATCH v2 1/4] dax: kill uml support Date: Thu, 22 Dec 2016 14:18:53 -0700 Message-Id: <1482441536-14550-2-git-send-email-ross.zwisler@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1482441536-14550-1-git-send-email-ross.zwisler@linux.intel.com> References: <1482441536-14550-1-git-send-email-ross.zwisler@linux.intel.com> X-BeenThere: linux-nvdimm@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Linux-nvdimm developer list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, Jan Kara , Arnd Bergmann , Matthew Wilcox , linux-nvdimm@lists.01.org, Dave Chinner , Christoph Hellwig , linux-mm@kvack.org, Dave Hansen , Alexander Viro , linux-fsdevel@vger.kernel.org, Andrew Morton MIME-Version: 1.0 Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Virus-Scanned: ClamAV using ClamSMTP From: Dan Williams The lack of common transparent-huge-page helpers for UML is becoming increasingly painful for fs/dax.c now that it is growing more pmd functionality. Add UML to the list of unsupported architectures. Cc: Jan Kara Cc: Christoph Hellwig Cc: Dave Chinner Cc: Dave Hansen Cc: Matthew Wilcox Cc: Alexander Viro Cc: Ross Zwisler Signed-off-by: Dan Williams [rez: squashed #ifdef removal into another patch in the series ] Signed-off-by: Ross Zwisler Acked-by: Jan Kara --- fs/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/Kconfig b/fs/Kconfig index c2a377c..661931f 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -37,7 +37,7 @@ source "fs/f2fs/Kconfig" config FS_DAX bool "Direct Access (DAX) support" depends on MMU - depends on !(ARM || MIPS || SPARC) + depends on !(ARM || MIPS || SPARC || UML) help Direct Access (DAX) can be used on memory-backed block devices. If the block device supports DAX and the filesystem supports DAX,