exec.c: add a check between constants to see whether we could skip

[mirror_qemu.git] / cpus.c

diff --git a/cpus.c b/cpus.c
index f4ad855b774e9a9e357173e60395a1f2556f432e..85cd451a86a9c38718f5ca85581f1f36dfcd1f29 100644 (file)
--- a/cpus.c
+++ b/cpus.c
@@ -556,7 +556,8 @@ void qtest_clock_warp(int64_t dest)
     assert(qtest_enabled());
     aio_context = qemu_get_aio_context();
     while (clock < dest) {
-        int64_t deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
+        int64_t deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL,
+                                                      QEMU_TIMER_ATTR_ALL);
         int64_t warp = qemu_soonest_timeout(dest - clock, deadline);
 
         seqlock_write_lock(&timers_state.vm_clock_seqlock,
@@ -616,7 +617,8 @@ void qemu_start_warp_timer(void)
 
     /* We want to use the earliest deadline from ALL vm_clocks */
     clock = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL_RT);
-    deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
+    deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL,
+                                          ~QEMU_TIMER_ATTR_EXTERNAL);
     if (deadline < 0) {
         static bool notified;
         if (!icount_sleep && !notified) {
@@ -1352,7 +1354,12 @@ static int64_t tcg_get_icount_limit(void)
     int64_t deadline;
 
     if (replay_mode != REPLAY_MODE_PLAY) {
-        deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
+        /*
+         * Include all the timers, because they may need an attention.
+         * Too long CPU execution may create unnecessary delay in UI.
+         */
+        deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL,
+                                              QEMU_TIMER_ATTR_ALL);
 
         /* Maintain prior (possibly buggy) behaviour where if no deadline
          * was set (as there is no QEMU_CLOCK_VIRTUAL timer) or it is more than
@@ -1373,8 +1380,8 @@ static void handle_icount_deadline(void)
 {
     assert(qemu_in_vcpu_thread());
     if (use_icount) {
-        int64_t deadline =
-            qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
+        int64_t deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL,
+                                                      QEMU_TIMER_ATTR_ALL);
 
         if (deadline == 0) {
             /* Wake up other AioContexts.  */