From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stefano Stabellini , Catalin Marinas , Konrad Rzeszutek Wilk Subject: [PATCH 3.18 011/150] swiotlb-xen: pass dev_addr to xen_dma_unmap_page and xen_dma_sync_single_for_cpu Date: Tue, 13 Jan 2015 23:21:22 -0800 Message-Id: <20150114072056.369020326@linuxfoundation.org> In-Reply-To: <20150114072055.842408181@linuxfoundation.org> References: <20150114072055.842408181@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Stefano Stabellini commit d6883e6f32e07ef2cc974753ba00927de099e6d7 upstream. xen_dma_unmap_page and xen_dma_sync_single_for_cpu take a dma_addr_t handle as argument, not a physical address. Signed-off-by: Stefano Stabellini Reviewed-by: Catalin Marinas Acked-by: Konrad Rzeszutek Wilk Signed-off-by: Greg Kroah-Hartman --- drivers/xen/swiotlb-xen.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -447,7 +447,7 @@ static void xen_unmap_single(struct devi BUG_ON(dir == DMA_NONE); - xen_dma_unmap_page(hwdev, paddr, size, dir, attrs); + xen_dma_unmap_page(hwdev, dev_addr, size, dir, attrs); /* NOTE: We use dev_addr here, not paddr! */ if (is_xen_swiotlb_buffer(dev_addr)) { @@ -495,14 +495,14 @@ xen_swiotlb_sync_single(struct device *h BUG_ON(dir == DMA_NONE); if (target == SYNC_FOR_CPU) - xen_dma_sync_single_for_cpu(hwdev, paddr, size, dir); + xen_dma_sync_single_for_cpu(hwdev, dev_addr, size, dir); /* NOTE: We use dev_addr here, not paddr! */ if (is_xen_swiotlb_buffer(dev_addr)) swiotlb_tbl_sync_single(hwdev, paddr, size, dir, target); if (target == SYNC_FOR_DEVICE) - xen_dma_sync_single_for_cpu(hwdev, paddr, size, dir); + xen_dma_sync_single_for_cpu(hwdev, dev_addr, size, dir); if (dir != DMA_FROM_DEVICE) return;