From patchwork Wed Sep 30 10:45:25 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julien Grall X-Patchwork-Id: 7296701 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id C6D5C9F1D5 for ; Wed, 30 Sep 2015 10:58:55 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E83632064E for ; Wed, 30 Sep 2015 10:58:54 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0AB4D2064C for ; Wed, 30 Sep 2015 10:58:54 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZhF4e-0006OC-1g; Wed, 30 Sep 2015 10:57:24 +0000 Received: from smtp02.citrix.com ([66.165.176.63]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZhF0T-0002QB-FV for linux-arm-kernel@lists.infradead.org; Wed, 30 Sep 2015 10:53:06 +0000 X-IronPort-AV: E=Sophos;i="5.17,611,1437436800"; d="scan'208";a="307062799" From: Julien Grall To: Subject: [PATCH v5 10/22] xen/xenbus: Use Xen page definition Date: Wed, 30 Sep 2015 11:45:25 +0100 Message-ID: <1443609937-25278-11-git-send-email-julien.grall@citrix.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1443609937-25278-1-git-send-email-julien.grall@citrix.com> References: <1443609937-25278-1-git-send-email-julien.grall@citrix.com> MIME-Version: 1.0 X-DLP: MIA2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150930_035305_792441_22676A29 X-CRM114-Status: GOOD ( 10.57 ) X-Spam-Score: -4.2 (----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ian.campbell@citrix.com, stefano.stabellini@eu.citrix.com, Konrad Rzeszutek Wilk , linux-kernel@vger.kernel.org, Julien Grall , David Vrabel , Boris Ostrovsky , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP All the ring (xenstore, and PV rings) are always based on the page granularity of Xen. Signed-off-by: Julien Grall Reviewed-by: David Vrabel Reviewed-by: Stefano Stabellini --- Cc: Konrad Rzeszutek Wilk Cc: Boris Ostrovsky Changes in v3: - Fix errors reported by checkpatch.pl - s/MFN/GFN base on the new naming - Add David and Stefano's reviewed-by Changes in v2: - Also update the ring mapping function --- drivers/xen/xenbus/xenbus_client.c | 6 +++--- drivers/xen/xenbus/xenbus_probe.c | 3 ++- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index aa304d0..42abee3 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -388,7 +388,7 @@ int xenbus_grant_ring(struct xenbus_device *dev, void *vaddr, } grefs[i] = err; - vaddr = vaddr + PAGE_SIZE; + vaddr = vaddr + XEN_PAGE_SIZE; } return 0; @@ -555,7 +555,7 @@ static int xenbus_map_ring_valloc_pv(struct xenbus_device *dev, if (!node) return -ENOMEM; - area = alloc_vm_area(PAGE_SIZE * nr_grefs, ptes); + area = alloc_vm_area(XEN_PAGE_SIZE * nr_grefs, ptes); if (!area) { kfree(node); return -ENOMEM; @@ -749,7 +749,7 @@ static int xenbus_unmap_ring_vfree_pv(struct xenbus_device *dev, void *vaddr) unsigned long addr; memset(&unmap[i], 0, sizeof(unmap[i])); - addr = (unsigned long)vaddr + (PAGE_SIZE * i); + addr = (unsigned long)vaddr + (XEN_PAGE_SIZE * i); unmap[i].host_addr = arbitrary_virt_to_machine( lookup_address(addr, &level)).maddr; unmap[i].dev_bus_addr = 0; diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c index 3cbe055..33a31cf 100644 --- a/drivers/xen/xenbus/xenbus_probe.c +++ b/drivers/xen/xenbus/xenbus_probe.c @@ -802,7 +802,8 @@ static int __init xenbus_init(void) goto out_error; xen_store_gfn = (unsigned long)v; xen_store_interface = - xen_remap(xen_store_gfn << PAGE_SHIFT, PAGE_SIZE); + xen_remap(xen_store_gfn << XEN_PAGE_SHIFT, + XEN_PAGE_SIZE); break; default: pr_warn("Xenstore state unknown\n");