[Xen-devel] [PATCH 6/7] mini-os: Added rmb to xenbus code

[Thomas Leonard <talex5@xxxxxxxxx>]

From: Karim Raslan <karim.allah.ahmed@xxxxxxxxx>

Signed-off-by: Karim Allah Ahmed <karim.allah.ahmed@xxxxxxxxx>
[talex5@xxxxxxxxx: separated from big ARM commit]
Signed-off-by: Thomas Leonard <talex5@xxxxxxxxx>
---
 extras/mini-os/xenbus/xenbus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/extras/mini-os/xenbus/xenbus.c b/extras/mini-os/xenbus/xenbus.c
index d995020..8a99ee2 100644
--- a/extras/mini-os/xenbus/xenbus.c
+++ b/extras/mini-os/xenbus/xenbus.c
@@ -450,6 +450,7 @@ xenbus_msg_reply(int type,
     remove_waiter(w, req_info[id].waitq);
     wake(current);
 
+    rmb();
     rep = req_info[id].reply;
     BUG_ON(rep->req_id != id);
     release_xenbus_id(id);
-- 
2.0.0


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