Timed yielding in vmm_halt to avoid pegging CPU

diff --git a/palacios/src/palacios/vmm_halt.c b/palacios/src/palacios/vmm_halt.c
index eca50cf..60ca74b 100644 (file)
--- a/palacios/src/palacios/vmm_halt.c
+++ b/palacios/src/palacios/vmm_halt.c
@@ -28,6 +28,8 @@
 #endif
 
 
+#define YIELD_TIME_USEC 1000
+
 
 //
 // This should trigger a #GP if cpl != 0, otherwise, yield to host
@@ -44,7 +46,7 @@ int v3_handle_halt(struct guest_info * info) {
             uint64_t t, cycles;
            /* Yield, allowing time to pass while yielded */
            t = v3_get_host_time(&info->time_state);
-           v3_yield(info);
+           v3_yield_timed(info,YIELD_TIME_USEC);
            cycles = v3_get_host_time(&info->time_state) - t;
            v3_advance_time(info, &cycles);