On 04/10/2018 01:47 PM, Julien Grall wrote:
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.
Agree
So does that value will be passed to other guest?
As per my understanding yes, with HYPER_DMABUF_EXPORT request

Cheers,


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