From patchwork Sat Jun 4 20:52:43 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Williams X-Patchwork-Id: 9154899 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 A99E660221 for ; Sat, 4 Jun 2016 20:53:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9E5DE2807E for ; Sat, 4 Jun 2016 20:53:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 934C52824A; Sat, 4 Jun 2016 20:53:29 +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 5A6172807E for ; Sat, 4 Jun 2016 20:53:29 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id EFF181A1E49; Sat, 4 Jun 2016 13:53:46 -0700 (PDT) X-Original-To: linux-nvdimm@lists.01.org Delivered-To: linux-nvdimm@lists.01.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by ml01.01.org (Postfix) with ESMTP id 215971A1E49 for ; Sat, 4 Jun 2016 13:53:46 -0700 (PDT) Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga102.jf.intel.com with ESMTP; 04 Jun 2016 13:53:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,419,1459839600"; d="scan'208";a="116113852" Received: from dwillia2-desk3.jf.intel.com (HELO dwillia2-desk3.amr.corp.intel.com) ([10.54.39.14]) by fmsmga004.fm.intel.com with ESMTP; 04 Jun 2016 13:53:29 -0700 Subject: [PATCH 02/13] nfit: always associate flush hints From: Dan Williams To: linux-nvdimm@lists.01.org Date: Sat, 04 Jun 2016 13:52:43 -0700 Message-ID: <146507356341.8347.17433436005261377755.stgit@dwillia2-desk3.amr.corp.intel.com> In-Reply-To: <146507355220.8347.12117020810872172684.stgit@dwillia2-desk3.amr.corp.intel.com> References: <146507355220.8347.12117020810872172684.stgit@dwillia2-desk3.amr.corp.intel.com> User-Agent: StGit/0.17.1-9-g687f MIME-Version: 1.0 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: david@fromorbit.com, linux-kernel@vger.kernel.org, hch@lst.de Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Virus-Scanned: ClamAV using ClamSMTP Before enabling use of flush hints for pmem regions, we need to make sure they are always associated. Move the initialization of nfit_flush out of the block-window specific init path to the general init path. Cc: Ross Zwisler Signed-off-by: Dan Williams --- drivers/acpi/nfit.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index 2215fc847fa9..4771872810ef 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -614,7 +614,6 @@ static void nfit_mem_init_bdw(struct acpi_nfit_desc *acpi_desc, { u16 dcr = __to_nfit_memdev(nfit_mem)->region_index; struct nfit_memdev *nfit_memdev; - struct nfit_flush *nfit_flush; struct nfit_bdw *nfit_bdw; struct nfit_idt *nfit_idt; u16 idt_idx, range_index; @@ -647,14 +646,6 @@ static void nfit_mem_init_bdw(struct acpi_nfit_desc *acpi_desc, nfit_mem->idt_bdw = nfit_idt->idt; break; } - - list_for_each_entry(nfit_flush, &acpi_desc->flushes, list) { - if (nfit_flush->flush->device_handle != - nfit_memdev->memdev->device_handle) - continue; - nfit_mem->nfit_flush = nfit_flush; - break; - } break; } } @@ -675,6 +666,7 @@ static int nfit_mem_dcr_init(struct acpi_nfit_desc *acpi_desc, } list_for_each_entry(nfit_memdev, &acpi_desc->memdevs, list) { + struct nfit_flush *nfit_flush; struct nfit_dcr *nfit_dcr; u32 device_handle; u16 dcr; @@ -721,6 +713,13 @@ static int nfit_mem_dcr_init(struct acpi_nfit_desc *acpi_desc, break; } + list_for_each_entry(nfit_flush, &acpi_desc->flushes, list) { + if (nfit_flush->flush->device_handle != device_handle) + continue; + nfit_mem->nfit_flush = nfit_flush; + break; + } + if (dcr && !nfit_mem->dcr) { dev_err(acpi_desc->dev, "SPA %d missing DCR %d\n", spa->range_index, dcr);