ringtest: poll for new buffers once before updating event index

[cascardo/linux.git] / tools / virtio / ringtest / main.c

diff --git a/tools/virtio/ringtest/main.c b/tools/virtio/ringtest/main.c
index b00ecd6..f31353f 100644 (file)
--- a/tools/virtio/ringtest/main.c
+++ b/tools/virtio/ringtest/main.c
@@ -147,7 +147,7 @@ static void __attribute__((__flatten__)) run_guest(void)
                assert(completed <= bufs);
                assert(started <= bufs);
                if (do_sleep) {
-                       if (enable_call())
+                       if (used_empty() && enable_call())
                                wait_for_call();
                } else {
                        poll_used();
@@ -172,7 +172,7 @@ static void __attribute__((__flatten__)) run_host(void)
 
        for (;;) {
                if (do_sleep) {
-                       if (enable_kick())
+                       if (avail_empty() && enable_kick())
                                wait_for_kick();
                } else {
                        poll_avail();