diff options
Diffstat (limited to 'vl.c')
| -rw-r--r-- | vl.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/vl.c b/vl.c index c52937a151..9cd67a3746 100644 --- a/vl.c +++ b/vl.c @@ -1321,7 +1321,7 @@ void qemu_system_vmstop_request(int reason) qemu_notify_event(); } -void main_loop_wait(int nonblocking) +int main_loop_wait(int nonblocking) { fd_set rfds, wfds, xfds; int ret, nfds; @@ -1368,6 +1368,7 @@ void main_loop_wait(int nonblocking) them. */ qemu_bh_poll(); + return ret; } #ifndef CONFIG_IOTHREAD @@ -1385,7 +1386,8 @@ qemu_irq qemu_system_powerdown; static void main_loop(void) { - bool nonblocking = false; + bool nonblocking; + int last_io __attribute__ ((unused)) = 0; #ifdef CONFIG_PROFILER int64_t ti; #endif @@ -1394,7 +1396,9 @@ static void main_loop(void) qemu_main_loop_start(); for (;;) { -#ifndef CONFIG_IOTHREAD +#ifdef CONFIG_IOTHREAD + nonblocking = !kvm_enabled() && last_io > 0; +#else nonblocking = cpu_exec_all(); if (vm_request_pending()) { nonblocking = true; @@ -1403,7 +1407,7 @@ static void main_loop(void) #ifdef CONFIG_PROFILER ti = profile_getclock(); #endif - main_loop_wait(nonblocking); + last_io = main_loop_wait(nonblocking); #ifdef CONFIG_PROFILER dev_time += profile_getclock() - ti; #endif |