s390: Fix misspellings in comments

Signed-off-by: Adam Buchbinder <adam.buchbinder@gmail.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/include/asm/perf_event.h

@@ -21,7 +21,7 @@
 #define PMU_F_ERR_LSDA			0x0200
 #define PMU_F_ERR_MASK			(PMU_F_ERR_IBE|PMU_F_ERR_LSDA)
 
-/* Perf defintions for PMU event attributes in sysfs */
+/* Perf definitions for PMU event attributes in sysfs */
 extern __init const struct attribute_group **cpumf_cf_event_group(void);
 extern ssize_t cpumf_events_sysfs_show(struct device *dev,
 				       struct device_attribute *attr,

arch/s390/include/asm/rwsem.h

@@ -31,7 +31,7 @@
  * This should be totally fair - if anything is waiting, a process that wants a
  * lock will go to the back of the queue. When the currently active lock is
  * released, if there's a writer at the front of the queue, then that and only
- * that will be woken up; if there's a bunch of consequtive readers at the
+ * that will be woken up; if there's a bunch of consecutive readers at the
  * front, then they'll all be woken up, but no other readers will be.
  */
 

arch/s390/kernel/perf_cpum_cf.c

@@ -383,7 +383,7 @@ static int __hw_perf_event_init(struct perf_event *event)
 
 	/* Validate the counter that is assigned to this event.
 	 * Because the counter facility can use numerous counters at the
-	 * same time without constraints, it is not necessary to explicity
+	 * same time without constraints, it is not necessary to explicitly
 	 * validate event groups (event->group_leader != event).
 	 */
 	err = validate_event(hwc);

arch/s390/kernel/perf_event.c

@@ -238,7 +238,7 @@ void perf_callchain_kernel(struct perf_callchain_entry *entry,
 	dump_trace(__perf_callchain_kernel, entry, NULL, regs->gprs[15]);
 }
 
-/* Perf defintions for PMU event attributes in sysfs */
+/* Perf definitions for PMU event attributes in sysfs */
 ssize_t cpumf_events_sysfs_show(struct device *dev,
 				struct device_attribute *attr, char *page)
 {

arch/s390/kvm/guestdbg.c

@@ -17,7 +17,7 @@
 /*
  * Extends the address range given by *start and *stop to include the address
  * range starting with estart and the length len. Takes care of overflowing
- * intervals and tries to minimize the overall intervall size.
+ * intervals and tries to minimize the overall interval size.
  */
 static void extend_address_range(u64 *start, u64 *stop, u64 estart, int len)
 {
@@ -72,7 +72,7 @@ static void enable_all_hw_bp(struct kvm_vcpu *vcpu)
 		return;
 
 	/*
-	 * If the guest is not interrested in branching events, we can savely
+	 * If the guest is not interested in branching events, we can safely
 	 * limit them to the PER address range.
 	 */
 	if (!(*cr9 & PER_EVENT_BRANCH))