From: Mateusz Polrola <mateuszx.potr...@intel.com>
Extending DMA bitmask of hyper_dmabuf device to cover whole
address space driver may access.
Signed-off-by: Dongwon Kim <dongwon....@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
