From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Stefano Stabellini , Luis Henriques Subject: [PATCH 3.16.y-ckt 082/216] swiotlb-xen: call xen_dma_sync_single_for_device when appropriate Date: Mon, 12 Jan 2015 18:03:19 +0000 Message-Id: <1421085933-32536-83-git-send-email-luis.henriques@canonical.com> In-Reply-To: <1421085933-32536-1-git-send-email-luis.henriques@canonical.com> References: <1421085933-32536-1-git-send-email-luis.henriques@canonical.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.16.7-ckt4 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Stefano Stabellini commit 9490c6c67e2f41760de8ece4e4f56f75f84ceb9e upstream. In xen_swiotlb_sync_single we always call xen_dma_sync_single_for_cpu, even when we should call xen_dma_sync_single_for_device. Fix that. Signed-off-by: Stefano Stabellini Acked-by: Konrad Rzeszutek Wilk Signed-off-by: Luis Henriques --- drivers/xen/swiotlb-xen.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index f21282da9876..f3a9d831d0f9 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -500,7 +500,7 @@ xen_swiotlb_sync_single(struct device *hwdev, dma_addr_t dev_addr, swiotlb_tbl_sync_single(hwdev, paddr, size, dir, target); if (target == SYNC_FOR_DEVICE) - xen_dma_sync_single_for_cpu(hwdev, dev_addr, size, dir); + xen_dma_sync_single_for_device(hwdev, dev_addr, size, dir); if (dir != DMA_FROM_DEVICE) return; -- 2.1.4