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author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-07-14 07:59:23 (GMT) |
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committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-07-14 08:02:18 (GMT) |
commit | ca366a329ad8eff1230decd55b33fe23326862f6 (patch) | |
tree | bb27168fceb88abab5a34eeebac03f6f67f34e15 /arch | |
parent | c78aa6cbace460081ddc6227f02b6d3203a21585 (diff) | |
download | linux-fsl-qoriq-ca366a329ad8eff1230decd55b33fe23326862f6.tar.xz |
[S390] Cleanup vtime printk messages.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/s390/kernel/vtime.c | 56 |
1 files changed, 12 insertions, 44 deletions
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index eb08d04..0fa5dc5 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -318,8 +318,7 @@ static void internal_add_vtimer(struct vtimer_list *timer) vt_list = &per_cpu(virt_cpu_timer, timer->cpu); spin_lock_irqsave(&vt_list->lock, flags); - if (timer->cpu != smp_processor_id()) - printk("internal_add_vtimer: BUG, running on wrong CPU"); + BUG_ON(timer->cpu != smp_processor_id()); /* if list is empty we only have to set the timer */ if (list_empty(&vt_list->list)) { @@ -353,25 +352,12 @@ static void internal_add_vtimer(struct vtimer_list *timer) put_cpu(); } -static inline int prepare_vtimer(struct vtimer_list *timer) +static inline void prepare_vtimer(struct vtimer_list *timer) { - if (!timer->function) { - printk("add_virt_timer: uninitialized timer\n"); - return -EINVAL; - } - - if (!timer->expires || timer->expires > VTIMER_MAX_SLICE) { - printk("add_virt_timer: invalid timer expire value!\n"); - return -EINVAL; - } - - if (vtimer_pending(timer)) { - printk("add_virt_timer: timer pending\n"); - return -EBUSY; - } - + BUG_ON(!timer->function); + BUG_ON(!timer->expires || timer->expires > VTIMER_MAX_SLICE); + BUG_ON(vtimer_pending(timer)); timer->cpu = get_cpu(); - return 0; } /* @@ -382,10 +368,7 @@ void add_virt_timer(void *new) struct vtimer_list *timer; timer = (struct vtimer_list *)new; - - if (prepare_vtimer(timer) < 0) - return; - + prepare_vtimer(timer); timer->interval = 0; internal_add_vtimer(timer); } @@ -399,10 +382,7 @@ void add_virt_timer_periodic(void *new) struct vtimer_list *timer; timer = (struct vtimer_list *)new; - - if (prepare_vtimer(timer) < 0) - return; - + prepare_vtimer(timer); timer->interval = timer->expires; internal_add_vtimer(timer); } @@ -423,15 +403,8 @@ int mod_virt_timer(struct vtimer_list *timer, __u64 expires) unsigned long flags; int cpu; - if (!timer->function) { - printk("mod_virt_timer: uninitialized timer\n"); - return -EINVAL; - } - - if (!expires || expires > VTIMER_MAX_SLICE) { - printk("mod_virt_timer: invalid expire range\n"); - return -EINVAL; - } + BUG_ON(!timer->function); + BUG_ON(!expires || expires > VTIMER_MAX_SLICE); /* * This is a common optimization triggered by the @@ -444,6 +417,9 @@ int mod_virt_timer(struct vtimer_list *timer, __u64 expires) cpu = get_cpu(); vt_list = &per_cpu(virt_cpu_timer, cpu); + /* check if we run on the right CPU */ + BUG_ON(timer->cpu != cpu); + /* disable interrupts before test if timer is pending */ spin_lock_irqsave(&vt_list->lock, flags); @@ -458,14 +434,6 @@ int mod_virt_timer(struct vtimer_list *timer, __u64 expires) return 0; } - /* check if we run on the right CPU */ - if (timer->cpu != cpu) { - printk("mod_virt_timer: running on wrong CPU, check your code\n"); - spin_unlock_irqrestore(&vt_list->lock, flags); - put_cpu(); - return -EINVAL; - } - list_del_init(&timer->entry); timer->expires = expires; |