[UNIKRAFT PATCH, v2, 06/15] lib/ukring: Disable use of cpu_spinwait function

[Alexander Jung <a.jung@xxxxxxxxxxx>]

This is not currently supported by Unikraft.

Signed-off-by: Alexander Jung <alexander.jung@xxxxxxxxx>
---
 lib/ukring/include/uk/ring.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/ukring/include/uk/ring.h b/lib/ukring/include/uk/ring.h
index 26ac2f8..f19b13e 100644
--- a/lib/ukring/include/uk/ring.h
+++ b/lib/ukring/include/uk/ring.h
@@ -111,8 +111,11 @@ uk_ring_enqueue(struct uk_ring *r, void *buf)
    * that preceded us, we need to wait for them
    * to complete 
    */
+   /* TODO: Provide cpu_spinwait() */
+#if 0
   while (r->prod_tail != prod_head)
     cpu_spinwait();
+#endif
 
   ukarch_store_n(&r->prod_tail, prod_next);
   ukplat_lcpu_enable_irq();
@@ -153,8 +156,11 @@ uk_ring_dequeue_mc(struct uk_ring *r)
    * that preceded us, we need to wait for them
    * to complete
    */
+   /* TODO: Provide cpu_spinwait() */
+#if 0
   while (r->cons_tail != cons_head)
     cpu_spinwait();
+#endif
 
   ukarch_store_n(&r->cons_tail, cons_next);
   ukplat_lcpu_enable_irq();
-- 
2.20.1