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ia64, sched/cputime: Move the nsecs based cputime headers to the last arch using it
Initially, nsec based cputime_t implementation belonged to IA64. It got exported later for CONFIG_VIRT_CPU_ACCOUNTING_GEN but now it is again only used by IA64. So let's move it back there. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@redhat.com> Cc: Stanislaw Gruszka <sgruszka@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Wanpeng Li <wanpeng.li@hotmail.com> Link: http://lkml.kernel.org/r/1485832191-26889-29-git-send-email-fweisbec@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Frederic Weisbecker
Ingo Molnar
parent
f22d6df0b2
commit
4c562529f1
@ -20,9 +20,113 @@
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#ifndef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
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# include <asm-generic/cputime.h>
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#else
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# include <asm/processor.h>
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# include <asm-generic/cputime_nsecs.h>
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#include <asm/processor.h>
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#include <linux/math64.h>
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typedef u64 __nocast cputime_t;
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typedef u64 __nocast cputime64_t;
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#define cmpxchg_cputime(ptr, old, new) cmpxchg64(ptr, old, new)
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#define cputime_one_jiffy jiffies_to_cputime(1)
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#define cputime_div(__ct, divisor) div_u64((__force u64)__ct, divisor)
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#define cputime_div_rem(__ct, divisor, remainder) \
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div_u64_rem((__force u64)__ct, divisor, remainder);
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/*
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* Convert cputime <-> jiffies (HZ)
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*/
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#define cputime_to_jiffies(__ct) \
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cputime_div(__ct, NSEC_PER_SEC / HZ)
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#define jiffies_to_cputime(__jif) \
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(__force cputime_t)((__jif) * (NSEC_PER_SEC / HZ))
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#define cputime64_to_jiffies64(__ct) \
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cputime_div(__ct, NSEC_PER_SEC / HZ)
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#define jiffies64_to_cputime64(__jif) \
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(__force cputime64_t)((__jif) * (NSEC_PER_SEC / HZ))
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/*
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* Convert cputime <-> nanoseconds
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*/
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#define cputime_to_nsecs(__ct) \
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(__force u64)(__ct)
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#define nsecs_to_cputime(__nsecs) \
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(__force cputime_t)(__nsecs)
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#define nsecs_to_cputime64(__nsecs) \
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(__force cputime64_t)(__nsecs)
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/*
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* Convert cputime <-> microseconds
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*/
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#define cputime_to_usecs(__ct) \
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cputime_div(__ct, NSEC_PER_USEC)
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#define usecs_to_cputime(__usecs) \
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(__force cputime_t)((__usecs) * NSEC_PER_USEC)
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#define usecs_to_cputime64(__usecs) \
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(__force cputime64_t)((__usecs) * NSEC_PER_USEC)
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/*
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* Convert cputime <-> seconds
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*/
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#define cputime_to_secs(__ct) \
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cputime_div(__ct, NSEC_PER_SEC)
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#define secs_to_cputime(__secs) \
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(__force cputime_t)((__secs) * NSEC_PER_SEC)
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/*
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* Convert cputime <-> timespec (nsec)
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*/
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static inline cputime_t timespec_to_cputime(const struct timespec *val)
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{
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u64 ret = (u64)val->tv_sec * NSEC_PER_SEC + val->tv_nsec;
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return (__force cputime_t) ret;
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}
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static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val)
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{
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u32 rem;
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val->tv_sec = cputime_div_rem(ct, NSEC_PER_SEC, &rem);
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val->tv_nsec = rem;
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}
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/*
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* Convert cputime <-> timeval (msec)
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*/
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static inline cputime_t timeval_to_cputime(const struct timeval *val)
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{
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u64 ret = (u64)val->tv_sec * NSEC_PER_SEC +
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val->tv_usec * NSEC_PER_USEC;
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return (__force cputime_t) ret;
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}
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static inline void cputime_to_timeval(const cputime_t ct, struct timeval *val)
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{
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u32 rem;
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val->tv_sec = cputime_div_rem(ct, NSEC_PER_SEC, &rem);
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val->tv_usec = rem / NSEC_PER_USEC;
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}
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/*
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* Convert cputime <-> clock (USER_HZ)
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*/
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#define cputime_to_clock_t(__ct) \
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cputime_div(__ct, (NSEC_PER_SEC / USER_HZ))
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#define clock_t_to_cputime(__x) \
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(__force cputime_t)((__x) * (NSEC_PER_SEC / USER_HZ))
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/*
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* Convert cputime64 to clock.
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*/
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#define cputime64_to_clock_t(__ct) \
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cputime_to_clock_t((__force cputime_t)__ct)
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extern void arch_vtime_task_switch(struct task_struct *tsk);
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#endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
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@ -4,8 +4,4 @@
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#include <linux/time.h>
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#include <linux/jiffies.h>
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#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
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# include <asm-generic/cputime_nsecs.h>
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#endif
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#endif
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@ -1,121 +0,0 @@
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/*
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* Definitions for measuring cputime in nsecs resolution.
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*
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* Based on <arch/ia64/include/asm/cputime.h>
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*
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* Copyright (C) 2007 FUJITSU LIMITED
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* Copyright (C) 2007 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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*/
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#ifndef _ASM_GENERIC_CPUTIME_NSECS_H
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#define _ASM_GENERIC_CPUTIME_NSECS_H
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#include <linux/math64.h>
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typedef u64 __nocast cputime_t;
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typedef u64 __nocast cputime64_t;
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#define cmpxchg_cputime(ptr, old, new) cmpxchg64(ptr, old, new)
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#define cputime_one_jiffy jiffies_to_cputime(1)
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#define cputime_div(__ct, divisor) div_u64((__force u64)__ct, divisor)
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#define cputime_div_rem(__ct, divisor, remainder) \
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div_u64_rem((__force u64)__ct, divisor, remainder);
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/*
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* Convert cputime <-> jiffies (HZ)
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*/
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#define cputime_to_jiffies(__ct) \
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cputime_div(__ct, NSEC_PER_SEC / HZ)
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#define jiffies_to_cputime(__jif) \
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(__force cputime_t)((__jif) * (NSEC_PER_SEC / HZ))
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#define cputime64_to_jiffies64(__ct) \
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cputime_div(__ct, NSEC_PER_SEC / HZ)
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#define jiffies64_to_cputime64(__jif) \
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(__force cputime64_t)((__jif) * (NSEC_PER_SEC / HZ))
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/*
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* Convert cputime <-> nanoseconds
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*/
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#define cputime_to_nsecs(__ct) \
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(__force u64)(__ct)
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#define nsecs_to_cputime(__nsecs) \
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(__force cputime_t)(__nsecs)
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#define nsecs_to_cputime64(__nsecs) \
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(__force cputime64_t)(__nsecs)
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/*
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* Convert cputime <-> microseconds
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*/
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#define cputime_to_usecs(__ct) \
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cputime_div(__ct, NSEC_PER_USEC)
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#define usecs_to_cputime(__usecs) \
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(__force cputime_t)((__usecs) * NSEC_PER_USEC)
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#define usecs_to_cputime64(__usecs) \
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(__force cputime64_t)((__usecs) * NSEC_PER_USEC)
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/*
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* Convert cputime <-> seconds
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*/
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#define cputime_to_secs(__ct) \
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cputime_div(__ct, NSEC_PER_SEC)
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#define secs_to_cputime(__secs) \
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(__force cputime_t)((__secs) * NSEC_PER_SEC)
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/*
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* Convert cputime <-> timespec (nsec)
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*/
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static inline cputime_t timespec_to_cputime(const struct timespec *val)
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{
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u64 ret = (u64)val->tv_sec * NSEC_PER_SEC + val->tv_nsec;
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return (__force cputime_t) ret;
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}
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static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val)
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{
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u32 rem;
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val->tv_sec = cputime_div_rem(ct, NSEC_PER_SEC, &rem);
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val->tv_nsec = rem;
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}
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/*
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* Convert cputime <-> timeval (msec)
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*/
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static inline cputime_t timeval_to_cputime(const struct timeval *val)
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{
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u64 ret = (u64)val->tv_sec * NSEC_PER_SEC +
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val->tv_usec * NSEC_PER_USEC;
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return (__force cputime_t) ret;
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}
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static inline void cputime_to_timeval(const cputime_t ct, struct timeval *val)
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{
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u32 rem;
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val->tv_sec = cputime_div_rem(ct, NSEC_PER_SEC, &rem);
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val->tv_usec = rem / NSEC_PER_USEC;
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}
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/*
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* Convert cputime <-> clock (USER_HZ)
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*/
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#define cputime_to_clock_t(__ct) \
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cputime_div(__ct, (NSEC_PER_SEC / USER_HZ))
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#define clock_t_to_cputime(__x) \
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(__force cputime_t)((__x) * (NSEC_PER_SEC / USER_HZ))
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/*
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* Convert cputime64 to clock.
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*/
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#define cputime64_to_clock_t(__ct) \
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cputime_to_clock_t((__force cputime_t)__ct)
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#endif
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