Hi Stefano,
On 03/06/2017 08:01 PM, Stefano Stabellini wrote:
Sync the ring.h file with upstream Xen, to introduce the new ring macros.
They will be used by the Xen transport for 9pfs.
Signed-off-by: Stefano Stabellini <[email protected]>
CC: [email protected]
CC: [email protected]
CC: [email protected]
---
NB: The new macros have not been committed to Xen yet. Do not apply this
patch until they do.
---
---
include/xen/interface/io/ring.h | 131 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 131 insertions(+)
diff --git a/include/xen/interface/io/ring.h b/include/xen/interface/io/ring.h
index 21f4fbd..e16aa92 100644
--- a/include/xen/interface/io/ring.h
+++ b/include/xen/interface/io/ring.h
[...]
+#define XEN_FLEX_RING_SIZE(order) \
+ (1UL << (order + PAGE_SHIFT - 1))
This will need to be XEN_PAGE_SHIFT in order to works with 64K kernel.
Cheers,
--
Julien Grall
