diff options
Diffstat (limited to 'sys/kern/kern_clock.c')
| -rw-r--r-- | sys/kern/kern_clock.c | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/sys/kern/kern_clock.c b/sys/kern/kern_clock.c index ded86c8..1c8e7bd 100644 --- a/sys/kern/kern_clock.c +++ b/sys/kern/kern_clock.c @@ -292,6 +292,7 @@ hardclock_cpu(int usermode) if (PMC_CPU_HAS_SAMPLES(PCPU_GET(cpuid))) PMC_CALL_HOOK_UNLOCKED(curthread, PMC_FN_DO_SAMPLES, NULL); #endif + callout_tick(); } /* @@ -300,10 +301,9 @@ hardclock_cpu(int usermode) void hardclock(int usermode, uintfptr_t pc) { - int need_softclock = 0; + atomic_add_int((volatile int *)&ticks, 1); hardclock_cpu(usermode); - tc_ticktock(); /* * If no separate statistics clock is available, run it from here. @@ -314,30 +314,9 @@ hardclock(int usermode, uintfptr_t pc) profclock(usermode, pc); statclock(usermode); } - #ifdef DEVICE_POLLING hardclock_device_poll(); /* this is very short and quick */ #endif /* DEVICE_POLLING */ - - /* - * Process callouts at a very low cpu priority, so we don't keep the - * relatively high clock interrupt priority any longer than necessary. - */ - mtx_lock_spin_flags(&callout_lock, MTX_QUIET); - ticks++; - if (!TAILQ_EMPTY(&callwheel[ticks & callwheelmask])) { - need_softclock = 1; - } else if (softticks + 1 == ticks) - ++softticks; - mtx_unlock_spin_flags(&callout_lock, MTX_QUIET); - - /* - * swi_sched acquires the thread lock, so we don't want to call it - * with callout_lock held; incorrect locking order. - */ - if (need_softclock) - swi_sched(softclock_ih, 0); - #ifdef SW_WATCHDOG if (watchdog_enabled > 0 && --watchdog_ticks <= 0) watchdog_fire(); |
