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s390/cputime: remove last traces of cputime_t 

The cputime_t type is a thing of the past, replace the last occurences
of the type in the s390 code with a simple u64.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky 2017-03-01 09:16:03 +01:00
parent d9fcf2a1cb
commit e69ca822ce
2 changed files with 3 additions and 13 deletions
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14
arch/s390/include/asm/cputime.h
View File

@ -8,32 +8,22 @@
#define _S390_CPUTIME_H
#include <linux/types.h>
#include <asm/div64.h>
#define CPUTIME_PER_USEC 4096ULL
#define CPUTIME_PER_SEC (CPUTIME_PER_USEC * USEC_PER_SEC)
/* We want to use full resolution of the CPU timer: 2**-12 micro-seconds. */
typedef unsigned long long __nocast cputime_t;
typedef unsigned long long __nocast cputime64_t;
#define cmpxchg_cputime(ptr, old, new) cmpxchg64(ptr, old, new)
static inline unsigned long __div(unsigned long long n, unsigned long base)
{
return n / base;
}
/*
* Convert cputime to microseconds and back.
*/
static inline unsigned int cputime_to_usecs(const cputime_t cputime)
static inline u64 cputime_to_usecs(const u64 cputime)
{
return (__force unsigned long long) cputime >> 12;
return cputime >> 12;
}
u64 arch_cpu_idle_time(int cpu);
#define arch_idle_time(cpu) arch_cpu_idle_time(cpu)

2
arch/s390/kernel/vtime.c
View File

@ -111,7 +111,7 @@ static inline u64 scale_vtime(u64 vtime)
}
static void account_system_index_scaled(struct task_struct *p,
cputime_t cputime, cputime_t scaled,
u64 cputime, u64 scaled,
enum cpu_usage_stat index)
{
p->stimescaled += cputime_to_nsecs(scaled);