Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753771AbdLSTn1 (ORCPT ); Tue, 19 Dec 2017 14:43:27 -0500 Received: from mga01.intel.com ([192.55.52.88]:17647 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753223AbdLSTg4 (ORCPT ); Tue, 19 Dec 2017 14:36:56 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,428,1508828400"; d="scan'208";a="4018594" From: Dongwon Kim To: linux-kernel@vger.kernel.org Cc: dri-devel@lists.freedesktop.org, xen-devel@lists.xenproject.org, mateuszx.potrola@intel.com, dongwon.kim@intel.com Subject: [RFC PATCH 34/60] hyper_dmabuf: extend DMA bitmask to 64-bits. Date: Tue, 19 Dec 2017 11:29:50 -0800 Message-Id: <1513711816-2618-34-git-send-email-dongwon.kim@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1513711816-2618-1-git-send-email-dongwon.kim@intel.com> References: <1513711816-2618-1-git-send-email-dongwon.kim@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 917 Lines: 25 From: Mateusz Polrola Extending DMA bitmask of hyper_dmabuf device to cover whole address space driver may access. Signed-off-by: Dongwon Kim --- drivers/xen/hyper_dmabuf/hyper_dmabuf_ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/xen/hyper_dmabuf/hyper_dmabuf_ioctl.c b/drivers/xen/hyper_dmabuf/hyper_dmabuf_ioctl.c index 476c0d7..f7d98c1 100644 --- a/drivers/xen/hyper_dmabuf/hyper_dmabuf_ioctl.c +++ b/drivers/xen/hyper_dmabuf/hyper_dmabuf_ioctl.c @@ -723,7 +723,7 @@ int register_device(void) hyper_dmabuf_private.device = hyper_dmabuf_miscdev.this_device; /* TODO: Check if there is a different way to initialize dma mask nicely */ - dma_coerce_mask_and_coherent(hyper_dmabuf_private.device, 0xFFFFFFFF); + dma_coerce_mask_and_coherent(hyper_dmabuf_private.device, DMA_BIT_MASK(64)); return ret; } -- 2.7.4