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-rw-r--r--tools/virtio/ringtest/main.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/virtio/ringtest/main.c b/tools/virtio/ringtest/main.c
index bda7f0dad981..b00ecd619969 100644
--- a/tools/virtio/ringtest/main.c
+++ b/tools/virtio/ringtest/main.c
@@ -96,6 +96,12 @@ void set_affinity(const char *arg)
assert(!ret);
}
+void poll_used(void)
+{
+ while (used_empty())
+ busy_wait();
+}
+
static void __attribute__((__flatten__)) run_guest(void)
{
int completed_before;
@@ -149,6 +155,12 @@ static void __attribute__((__flatten__)) run_guest(void)
}
}
+void poll_avail(void)
+{
+ while (avail_empty())
+ busy_wait();
+}
+
static void __attribute__((__flatten__)) run_host(void)
{
int completed_before;