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Diffstat (limited to 'kernel/itimer.c')
-rw-r--r--kernel/itimer.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/kernel/itimer.c b/kernel/itimer.c
index d802883153da..22000c3db0dd 100644
--- a/kernel/itimer.c
+++ b/kernel/itimer.c
@@ -52,22 +52,22 @@ static void get_cpu_itimer(struct task_struct *tsk, unsigned int clock_id,
cval = it->expires;
cinterval = it->incr;
- if (!cputime_eq(cval, cputime_zero)) {
+ if (cval) {
struct task_cputime cputime;
cputime_t t;
thread_group_cputimer(tsk, &cputime);
if (clock_id == CPUCLOCK_PROF)
- t = cputime_add(cputime.utime, cputime.stime);
+ t = cputime.utime + cputime.stime;
else
/* CPUCLOCK_VIRT */
t = cputime.utime;
- if (cputime_le(cval, t))
+ if (cval < t)
/* about to fire */
cval = cputime_one_jiffy;
else
- cval = cputime_sub(cval, t);
+ cval = cval - t;
}
spin_unlock_irq(&tsk->sighand->siglock);
@@ -161,10 +161,9 @@ static void set_cpu_itimer(struct task_struct *tsk, unsigned int clock_id,
cval = it->expires;
cinterval = it->incr;
- if (!cputime_eq(cval, cputime_zero) ||
- !cputime_eq(nval, cputime_zero)) {
- if (cputime_gt(nval, cputime_zero))
- nval = cputime_add(nval, cputime_one_jiffy);
+ if (cval || nval) {
+ if (nval > 0)
+ nval += cputime_one_jiffy;
set_process_cpu_timer(tsk, clock_id, &nval, &cval);
}
it->expires = nval;