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-rw-r--r--util/main-loop.c25
1 files changed, 0 insertions, 25 deletions
diff --git a/util/main-loop.c b/util/main-loop.c
index 992f9b0f34..affe0403c5 100644
--- a/util/main-loop.c
+++ b/util/main-loop.c
@@ -222,36 +222,11 @@ static int os_host_main_loop_wait(int64_t timeout)
{
GMainContext *context = g_main_context_default();
int ret;
- static int spin_counter;
g_main_context_acquire(context);
glib_pollfds_fill(&timeout);
- /* If the I/O thread is very busy or we are incorrectly busy waiting in
- * the I/O thread, this can lead to starvation of the BQL such that the
- * VCPU threads never run. To make sure we can detect the later case,
- * print a message to the screen. If we run into this condition, create
- * a fake timeout in order to give the VCPU threads a chance to run.
- */
- if (!timeout && (spin_counter > MAX_MAIN_LOOP_SPIN)) {
- static bool notified;
-
- if (!notified && !qtest_enabled() && !qtest_driver()) {
- warn_report("I/O thread spun for %d iterations",
- MAX_MAIN_LOOP_SPIN);
- notified = true;
- }
-
- timeout = SCALE_MS;
- }
-
-
- if (timeout) {
- spin_counter = 0;
- } else {
- spin_counter++;
- }
qemu_mutex_unlock_iothread();
replay_mutex_unlock();