[Xen-devel] [RFC PATCH 34/60] hyper_dmabuf: extend DMA bitmask to 64-bits.

[Dongwon Kim <dongwon.kim@xxxxxxxxx>]

From: Mateusz Polrola <mateuszx.potrola@xxxxxxxxx>

Extending DMA bitmask of hyper_dmabuf device to cover whole
address space driver may access.

Signed-off-by: Dongwon Kim <dongwon.kim@xxxxxxxxx>
---
 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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