From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933429AbbI3Kz3 (ORCPT ); Wed, 30 Sep 2015 06:55:29 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:12433 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754969AbbI3Kwr (ORCPT ); Wed, 30 Sep 2015 06:52:47 -0400 X-IronPort-AV: E=Sophos;i="5.17,611,1437436800"; d="scan'208";a="307062799" From: Julien Grall To: CC: , , , , "Julien Grall" , David Vrabel , Konrad Rzeszutek Wilk , Boris Ostrovsky 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 Content-Type: text/plain X-DLP: MIA2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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"); -- 2.1.4