From patchwork Mon Oct 27 15:09:22 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefano Stabellini X-Patchwork-Id: 5161561 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 [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 43FE89F43D for ; Mon, 27 Oct 2014 15:15:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 793D2201E4 for ; Mon, 27 Oct 2014 15:15:50 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AFAAF20108 for ; Mon, 27 Oct 2014 15:15:49 +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 1XilzE-0002VN-5k; Mon, 27 Oct 2014 15:13:36 +0000 Received: from smtp.citrix.com ([66.165.176.89]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xilz5-00029Q-J5 for linux-arm-kernel@lists.infradead.org; Mon, 27 Oct 2014 15:13:28 +0000 X-IronPort-AV: E=Sophos;i="5.04,796,1406592000"; d="scan'208";a="185211232" Received: from ukmail1.uk.xensource.com (10.80.16.128) by smtprelay.citrix.com (10.13.107.80) with Microsoft SMTP Server id 14.3.181.6; Mon, 27 Oct 2014 11:12:05 -0400 Received: from kaball.uk.xensource.com ([10.80.2.59]) by ukmail1.uk.xensource.com with esmtp (Exim 4.69) (envelope-from ) id 1Xilxg-0006cI-AD; Mon, 27 Oct 2014 15:12:00 +0000 From: Stefano Stabellini To: Subject: [PATCH v7 2/8] xen/arm: remove outer_*_range call Date: Mon, 27 Oct 2014 15:09:22 +0000 Message-ID: <1414422568-19103-2-git-send-email-stefano.stabellini@eu.citrix.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 X-DLP: MIA1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141027_081327_817135_75829916 X-CRM114-Status: UNSURE ( 7.70 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -5.6 (-----) Cc: Ian.Campbell@citrix.com, Stefano Stabellini , konrad.wilk@oracle.com, linux-kernel@vger.kernel.org, david.vrabel@citrix.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, 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 Dom0 is not actually capable of issuing outer_inv_range or outer_clean_range calls. Signed-off-by: Stefano Stabellini Acked-by: Ian Campbell --- arch/arm/xen/mm32.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/arch/arm/xen/mm32.c b/arch/arm/xen/mm32.c index a5a93fc..6153d61 100644 --- a/arch/arm/xen/mm32.c +++ b/arch/arm/xen/mm32.c @@ -61,9 +61,6 @@ static void __xen_dma_page_dev_to_cpu(struct device *hwdev, dma_addr_t handle, /* Cannot use __dma_page_dev_to_cpu because we don't have a * struct page for handle */ - if (dir != DMA_TO_DEVICE) - outer_inv_range(handle, handle + size); - dma_cache_maint(handle & PAGE_MASK, handle & ~PAGE_MASK, size, dir, dmac_unmap_area); } @@ -72,12 +69,6 @@ static void __xen_dma_page_cpu_to_dev(struct device *hwdev, dma_addr_t handle, { dma_cache_maint(handle & PAGE_MASK, handle & ~PAGE_MASK, size, dir, dmac_map_area); - - if (dir == DMA_FROM_DEVICE) { - outer_inv_range(handle, handle + size); - } else { - outer_clean_range(handle, handle + size); - } } void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,