Hi,

On 04/10/2018 09:53 AM, Oleksandr Andrushchenko wrote:
On 02/14/2018 03:50 AM, Dongwon Kim wrote:
diff --git a/drivers/dma-buf/hyper_dmabuf/hyper_dmabuf_id.h

[...]

+#ifndef __HYPER_DMABUF_ID_H__
+#define __HYPER_DMABUF_ID_H__
+
+#define HYPER_DMABUF_ID_CREATE(domid, cnt) \
+    ((((domid) & 0xFF) << 24) | ((cnt) & 0xFFFFFF))
I would define hyper_dmabuf_id_t.id as a union or 2 separate
fields to avoid his magic

I am not sure the union would be right here because the layout will differs between big and little endian. So does that value will be passed to other guest?

Cheers,

--
Julien Grall

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