diff options
Diffstat (limited to 'sys/kern/kern_clock.c')
| -rw-r--r-- | sys/kern/kern_clock.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/sys/kern/kern_clock.c b/sys/kern/kern_clock.c index e7a7a99..39ffdb3 100644 --- a/sys/kern/kern_clock.c +++ b/sys/kern/kern_clock.c @@ -381,7 +381,9 @@ volatile int ticks; int psratio; static DPCPU_DEFINE(int, pcputicks); /* Per-CPU version of ticks. */ -static int global_hardclock_run = 0; +#ifdef DEVICE_POLLING +static int devpoll_run = 0; +#endif /* * Initialize clock frequencies and start both clocks running. @@ -584,15 +586,15 @@ hardclock_cnt(int cnt, int usermode) #endif /* We are in charge to handle this tick duty. */ if (newticks > 0) { - /* Dangerous and no need to call these things concurrently. */ - if (atomic_cmpset_acq_int(&global_hardclock_run, 0, 1)) { - tc_ticktock(newticks); + tc_ticktock(newticks); #ifdef DEVICE_POLLING + /* Dangerous and no need to call these things concurrently. */ + if (atomic_cmpset_acq_int(&devpoll_run, 0, 1)) { /* This is very short and quick. */ hardclock_device_poll(); -#endif /* DEVICE_POLLING */ - atomic_store_rel_int(&global_hardclock_run, 0); + atomic_store_rel_int(&devpoll_run, 0); } +#endif /* DEVICE_POLLING */ #ifdef SW_WATCHDOG if (watchdog_enabled > 0) { i = atomic_fetchadd_int(&watchdog_ticks, -newticks); |
