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| author | Jan Glauber <jan.glauber@de.ibm.com> | 2007-04-27 16:01:55 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-04-27 16:01:46 +0200 |
| commit | db77aa5f3d01fe6a6cc629dbd37936b1fdd129ba (patch) | |
| tree | 49186d1428510ae6aa658099d36133a2a0406068 /arch/s390 | |
| parent | 131a395c18af43d824841642038e5cc0d48f0bd2 (diff) | |
| download | lwn-db77aa5f3d01fe6a6cc629dbd37936b1fdd129ba.tar.gz lwn-db77aa5f3d01fe6a6cc629dbd37936b1fdd129ba.zip | |
[S390] vtime: cleanup per_cpu usage.
Replace per_cpu(... , smp_processor_id()) with __get_cpu_var()
Signed-off-by: Jan Glauber <jan.glauber@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kernel/vtime.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index 9d5b02801b46..1e1a6ee2cac1 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -128,7 +128,7 @@ static inline void set_vtimer(__u64 expires) S390_lowcore.last_update_timer = expires; /* store expire time for this CPU timer */ - per_cpu(virt_cpu_timer, smp_processor_id()).to_expire = expires; + __get_cpu_var(virt_cpu_timer).to_expire = expires; } #else static inline void set_vtimer(__u64 expires) @@ -137,7 +137,7 @@ static inline void set_vtimer(__u64 expires) asm volatile ("SPT %0" : : "m" (S390_lowcore.last_update_timer)); /* store expire time for this CPU timer */ - per_cpu(virt_cpu_timer, smp_processor_id()).to_expire = expires; + __get_cpu_var(virt_cpu_timer).to_expire = expires; } #endif @@ -145,7 +145,7 @@ static void start_cpu_timer(void) { struct vtimer_queue *vt_list; - vt_list = &per_cpu(virt_cpu_timer, smp_processor_id()); + vt_list = &__get_cpu_var(virt_cpu_timer); /* CPU timer interrupt is pending, don't reprogramm it */ if (vt_list->idle & 1LL<<63) @@ -159,7 +159,7 @@ static void stop_cpu_timer(void) { struct vtimer_queue *vt_list; - vt_list = &per_cpu(virt_cpu_timer, smp_processor_id()); + vt_list = &__get_cpu_var(virt_cpu_timer); /* nothing to do */ if (list_empty(&vt_list->list)) { @@ -219,7 +219,7 @@ static void do_callbacks(struct list_head *cb_list) if (list_empty(cb_list)) return; - vt_list = &per_cpu(virt_cpu_timer, smp_processor_id()); + vt_list = &__get_cpu_var(virt_cpu_timer); list_for_each_entry_safe(event, tmp, cb_list, entry) { fn = event->function; @@ -244,7 +244,6 @@ static void do_callbacks(struct list_head *cb_list) */ static void do_cpu_timer_interrupt(__u16 error_code) { - int cpu; __u64 next, delta; struct vtimer_queue *vt_list; struct vtimer_list *event, *tmp; @@ -253,8 +252,7 @@ static void do_cpu_timer_interrupt(__u16 error_code) struct list_head cb_list; INIT_LIST_HEAD(&cb_list); - cpu = smp_processor_id(); - vt_list = &per_cpu(virt_cpu_timer, cpu); + vt_list = &__get_cpu_var(virt_cpu_timer); /* walk timer list, fire all expired events */ spin_lock(&vt_list->lock); @@ -534,7 +532,7 @@ void init_cpu_vtimer(void) /* enable cpu timer interrupts */ __ctl_set_bit(0,10); - vt_list = &per_cpu(virt_cpu_timer, smp_processor_id()); + vt_list = &__get_cpu_var(virt_cpu_timer); INIT_LIST_HEAD(&vt_list->list); spin_lock_init(&vt_list->lock); vt_list->to_expire = 0; |