| From | Dongwon Kim <> | Subject | [RFC PATCH 34/60] hyper_dmabuf: extend DMA bitmask to 64-bits. | Date | Tue, 19 Dec 2017 11:29:50 -0800 |
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From: Mateusz Polrola <mateuszx.potrola@intel.com>
Extending DMA bitmask of hyper_dmabuf device to cover whole address space driver may access.
Signed-off-by: Dongwon Kim <dongwon.kim@intel.com> --- 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
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