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Diffstat (limited to 'arch/s390/include/asm/cputime.h')
-rw-r--r--arch/s390/include/asm/cputime.h30
1 files changed, 12 insertions, 18 deletions
diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h
index c23c3900c30..f65bd363451 100644
--- a/arch/s390/include/asm/cputime.h
+++ b/arch/s390/include/asm/cputime.h
@@ -1,7 +1,5 @@
/*
- * include/asm-s390/cputime.h
- *
- * (C) Copyright IBM Corp. 2004
+ * Copyright IBM Corp. 2004
*
* Author: Martin Schwidefsky <schwidefsky@de.ibm.com>
*/
@@ -14,6 +12,7 @@
#include <linux/spinlock.h>
#include <asm/div64.h>
+
/* We want to use full resolution of the CPU timer: 2**-12 micro-seconds. */
typedef unsigned long long __nocast cputime_t;
@@ -21,15 +20,15 @@ typedef unsigned long long __nocast cputime64_t;
static inline unsigned long __div(unsigned long long n, unsigned long base)
{
-#ifndef __s390x__
+#ifndef CONFIG_64BIT
register_pair rp;
rp.pair = n >> 1;
asm ("dr %0,%1" : "+d" (rp) : "d" (base >> 1));
return rp.subreg.odd;
-#else /* __s390x__ */
+#else /* CONFIG_64BIT */
return n / base;
-#endif /* __s390x__ */
+#endif /* CONFIG_64BIT */
}
#define cputime_one_jiffy jiffies_to_cputime(1)
@@ -100,7 +99,7 @@ static inline void cputime_to_timespec(const cputime_t cputime,
struct timespec *value)
{
unsigned long long __cputime = (__force unsigned long long) cputime;
-#ifndef __s390x__
+#ifndef CONFIG_64BIT
register_pair rp;
rp.pair = __cputime >> 1;
@@ -128,7 +127,7 @@ static inline void cputime_to_timeval(const cputime_t cputime,
struct timeval *value)
{
unsigned long long __cputime = (__force unsigned long long) cputime;
-#ifndef __s390x__
+#ifndef CONFIG_64BIT
register_pair rp;
rp.pair = __cputime >> 1;
@@ -167,27 +166,22 @@ static inline clock_t cputime64_to_clock_t(cputime64_t cputime)
}
struct s390_idle_data {
+ int nohz_delay;
unsigned int sequence;
unsigned long long idle_count;
- unsigned long long idle_enter;
unsigned long long idle_time;
- int nohz_delay;
+ unsigned long long clock_idle_enter;
+ unsigned long long clock_idle_exit;
+ unsigned long long timer_idle_enter;
+ unsigned long long timer_idle_exit;
};
DECLARE_PER_CPU(struct s390_idle_data, s390_idle);
-void vtime_start_cpu(__u64 int_clock, __u64 enter_timer);
cputime64_t s390_get_idle_time(int cpu);
#define arch_idle_time(cpu) s390_get_idle_time(cpu)
-static inline void s390_idle_check(struct pt_regs *regs, __u64 int_clock,
- __u64 enter_timer)
-{
- if (regs->psw.mask & PSW_MASK_WAIT)
- vtime_start_cpu(int_clock, enter_timer);
-}
-
static inline int s390_nohz_delay(int cpu)
{
return __get_cpu_var(s390_idle).nohz_delay != 0;