diff options
Diffstat (limited to 'kernel/posix-cpu-timers.c')
| -rw-r--r-- | kernel/posix-cpu-timers.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index 2eae91f..f1525ad 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -4,8 +4,9 @@ #include <linux/sched.h> #include <linux/posix-timers.h> -#include <asm/uaccess.h> #include <linux/errno.h> +#include <linux/math64.h> +#include <asm/uaccess.h> static int check_clock(const clockid_t which_clock) { @@ -47,12 +48,10 @@ static void sample_to_timespec(const clockid_t which_clock, union cpu_time_count cpu, struct timespec *tp) { - if (CPUCLOCK_WHICH(which_clock) == CPUCLOCK_SCHED) { - tp->tv_sec = div_long_long_rem(cpu.sched, - NSEC_PER_SEC, &tp->tv_nsec); - } else { + if (CPUCLOCK_WHICH(which_clock) == CPUCLOCK_SCHED) + *tp = ns_to_timespec(cpu.sched); + else cputime_to_timespec(cpu.cpu, tp); - } } static inline int cpu_time_before(const clockid_t which_clock, @@ -1087,45 +1086,45 @@ static void check_process_timers(struct task_struct *tsk, maxfire = 20; prof_expires = cputime_zero; while (!list_empty(timers)) { - struct cpu_timer_list *t = list_first_entry(timers, + struct cpu_timer_list *tl = list_first_entry(timers, struct cpu_timer_list, entry); - if (!--maxfire || cputime_lt(ptime, t->expires.cpu)) { - prof_expires = t->expires.cpu; + if (!--maxfire || cputime_lt(ptime, tl->expires.cpu)) { + prof_expires = tl->expires.cpu; break; } - t->firing = 1; - list_move_tail(&t->entry, firing); + tl->firing = 1; + list_move_tail(&tl->entry, firing); } ++timers; maxfire = 20; virt_expires = cputime_zero; while (!list_empty(timers)) { - struct cpu_timer_list *t = list_first_entry(timers, + struct cpu_timer_list *tl = list_first_entry(timers, struct cpu_timer_list, entry); - if (!--maxfire || cputime_lt(utime, t->expires.cpu)) { - virt_expires = t->expires.cpu; + if (!--maxfire || cputime_lt(utime, tl->expires.cpu)) { + virt_expires = tl->expires.cpu; break; } - t->firing = 1; - list_move_tail(&t->entry, firing); + tl->firing = 1; + list_move_tail(&tl->entry, firing); } ++timers; maxfire = 20; sched_expires = 0; while (!list_empty(timers)) { - struct cpu_timer_list *t = list_first_entry(timers, + struct cpu_timer_list *tl = list_first_entry(timers, struct cpu_timer_list, entry); - if (!--maxfire || sum_sched_runtime < t->expires.sched) { - sched_expires = t->expires.sched; + if (!--maxfire || sum_sched_runtime < tl->expires.sched) { + sched_expires = tl->expires.sched; break; } - t->firing = 1; - list_move_tail(&t->entry, firing); + tl->firing = 1; + list_move_tail(&tl->entry, firing); } /* |
