From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753378AbdAaDTc (ORCPT ); Mon, 30 Jan 2017 22:19:32 -0500 Received: from mail-wm0-f67.google.com ([74.125.82.67]:35354 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752602AbdAaDT2 (ORCPT ); Mon, 30 Jan 2017 22:19:28 -0500 From: Frederic Weisbecker To: Ingo Molnar Cc: LKML , Frederic Weisbecker , Tony Luck , Wanpeng Li , Peter Zijlstra , Michael Ellerman , Heiko Carstens , Benjamin Herrenschmidt , Thomas Gleixner , Paul Mackerras , Fenghua Yu , Rik van Riel , Martin Schwidefsky , Stanislaw Gruszka Subject: [PATCH RESEND 29/36] ia64: Move nsecs based cputime headers to the last arch using it Date: Tue, 31 Jan 2017 04:09:44 +0100 Message-Id: <1485832191-26889-29-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1485832191-26889-1-git-send-email-fweisbec@gmail.com> References: <1485832191-26889-1-git-send-email-fweisbec@gmail.com> In-Reply-To: <1485751603-15913-1-git-send-email-fweisbec@gmail.com> References: <1485751603-15913-1-git-send-email-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Michael Ellerman Cc: Heiko Carstens Cc: Martin Schwidefsky Cc: Tony Luck Cc: Fenghua Yu Cc: Peter Zijlstra Cc: Rik van Riel Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Stanislaw Gruszka Cc: Wanpeng Li Signed-off-by: Frederic Weisbecker --- arch/ia64/include/asm/cputime.h | 108 +++++++++++++++++++++++++++++++- include/asm-generic/cputime.h | 4 -- include/asm-generic/cputime_nsecs.h | 121 ------------------------------------ 3 files changed, 106 insertions(+), 127 deletions(-) delete mode 100644 include/asm-generic/cputime_nsecs.h diff --git a/arch/ia64/include/asm/cputime.h b/arch/ia64/include/asm/cputime.h index e2d3f5b..fee773c 100644 --- a/arch/ia64/include/asm/cputime.h +++ b/arch/ia64/include/asm/cputime.h @@ -20,9 +20,113 @@ #ifndef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE # include + #else -# include -# include + +#include +#include + +typedef u64 __nocast cputime_t; +typedef u64 __nocast cputime64_t; + +#define cmpxchg_cputime(ptr, old, new) cmpxchg64(ptr, old, new) + +#define cputime_one_jiffy jiffies_to_cputime(1) + +#define cputime_div(__ct, divisor) div_u64((__force u64)__ct, divisor) +#define cputime_div_rem(__ct, divisor, remainder) \ + div_u64_rem((__force u64)__ct, divisor, remainder); + +/* + * Convert cputime <-> jiffies (HZ) + */ +#define cputime_to_jiffies(__ct) \ + cputime_div(__ct, NSEC_PER_SEC / HZ) +#define jiffies_to_cputime(__jif) \ + (__force cputime_t)((__jif) * (NSEC_PER_SEC / HZ)) +#define cputime64_to_jiffies64(__ct) \ + cputime_div(__ct, NSEC_PER_SEC / HZ) +#define jiffies64_to_cputime64(__jif) \ + (__force cputime64_t)((__jif) * (NSEC_PER_SEC / HZ)) + + +/* + * Convert cputime <-> nanoseconds + */ +#define cputime_to_nsecs(__ct) \ + (__force u64)(__ct) +#define nsecs_to_cputime(__nsecs) \ + (__force cputime_t)(__nsecs) +#define nsecs_to_cputime64(__nsecs) \ + (__force cputime64_t)(__nsecs) + + +/* + * Convert cputime <-> microseconds + */ +#define cputime_to_usecs(__ct) \ + cputime_div(__ct, NSEC_PER_USEC) +#define usecs_to_cputime(__usecs) \ + (__force cputime_t)((__usecs) * NSEC_PER_USEC) +#define usecs_to_cputime64(__usecs) \ + (__force cputime64_t)((__usecs) * NSEC_PER_USEC) + +/* + * Convert cputime <-> seconds + */ +#define cputime_to_secs(__ct) \ + cputime_div(__ct, NSEC_PER_SEC) +#define secs_to_cputime(__secs) \ + (__force cputime_t)((__secs) * NSEC_PER_SEC) + +/* + * Convert cputime <-> timespec (nsec) + */ +static inline cputime_t timespec_to_cputime(const struct timespec *val) +{ + u64 ret = (u64)val->tv_sec * NSEC_PER_SEC + val->tv_nsec; + return (__force cputime_t) ret; +} +static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val) +{ + u32 rem; + + val->tv_sec = cputime_div_rem(ct, NSEC_PER_SEC, &rem); + val->tv_nsec = rem; +} + +/* + * Convert cputime <-> timeval (msec) + */ +static inline cputime_t timeval_to_cputime(const struct timeval *val) +{ + u64 ret = (u64)val->tv_sec * NSEC_PER_SEC + + val->tv_usec * NSEC_PER_USEC; + return (__force cputime_t) ret; +} +static inline void cputime_to_timeval(const cputime_t ct, struct timeval *val) +{ + u32 rem; + + val->tv_sec = cputime_div_rem(ct, NSEC_PER_SEC, &rem); + val->tv_usec = rem / NSEC_PER_USEC; +} + +/* + * Convert cputime <-> clock (USER_HZ) + */ +#define cputime_to_clock_t(__ct) \ + cputime_div(__ct, (NSEC_PER_SEC / USER_HZ)) +#define clock_t_to_cputime(__x) \ + (__force cputime_t)((__x) * (NSEC_PER_SEC / USER_HZ)) + +/* + * Convert cputime64 to clock. + */ +#define cputime64_to_clock_t(__ct) \ + cputime_to_clock_t((__force cputime_t)__ct) + + extern void arch_vtime_task_switch(struct task_struct *tsk); #endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */ diff --git a/include/asm-generic/cputime.h b/include/asm-generic/cputime.h index 8a624b4..358e547 100644 --- a/include/asm-generic/cputime.h +++ b/include/asm-generic/cputime.h @@ -4,8 +4,4 @@ #include #include -#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN -# include -#endif - #endif diff --git a/include/asm-generic/cputime_nsecs.h b/include/asm-generic/cputime_nsecs.h deleted file mode 100644 index 4e3b18e..0000000 --- a/include/asm-generic/cputime_nsecs.h +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Definitions for measuring cputime in nsecs resolution. - * - * Based on - * - * Copyright (C) 2007 FUJITSU LIMITED - * Copyright (C) 2007 Hidetoshi Seto - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -#ifndef _ASM_GENERIC_CPUTIME_NSECS_H -#define _ASM_GENERIC_CPUTIME_NSECS_H - -#include - -typedef u64 __nocast cputime_t; -typedef u64 __nocast cputime64_t; - -#define cmpxchg_cputime(ptr, old, new) cmpxchg64(ptr, old, new) - -#define cputime_one_jiffy jiffies_to_cputime(1) - -#define cputime_div(__ct, divisor) div_u64((__force u64)__ct, divisor) -#define cputime_div_rem(__ct, divisor, remainder) \ - div_u64_rem((__force u64)__ct, divisor, remainder); - -/* - * Convert cputime <-> jiffies (HZ) - */ -#define cputime_to_jiffies(__ct) \ - cputime_div(__ct, NSEC_PER_SEC / HZ) -#define jiffies_to_cputime(__jif) \ - (__force cputime_t)((__jif) * (NSEC_PER_SEC / HZ)) -#define cputime64_to_jiffies64(__ct) \ - cputime_div(__ct, NSEC_PER_SEC / HZ) -#define jiffies64_to_cputime64(__jif) \ - (__force cputime64_t)((__jif) * (NSEC_PER_SEC / HZ)) - - -/* - * Convert cputime <-> nanoseconds - */ -#define cputime_to_nsecs(__ct) \ - (__force u64)(__ct) -#define nsecs_to_cputime(__nsecs) \ - (__force cputime_t)(__nsecs) -#define nsecs_to_cputime64(__nsecs) \ - (__force cputime64_t)(__nsecs) - - -/* - * Convert cputime <-> microseconds - */ -#define cputime_to_usecs(__ct) \ - cputime_div(__ct, NSEC_PER_USEC) -#define usecs_to_cputime(__usecs) \ - (__force cputime_t)((__usecs) * NSEC_PER_USEC) -#define usecs_to_cputime64(__usecs) \ - (__force cputime64_t)((__usecs) * NSEC_PER_USEC) - -/* - * Convert cputime <-> seconds - */ -#define cputime_to_secs(__ct) \ - cputime_div(__ct, NSEC_PER_SEC) -#define secs_to_cputime(__secs) \ - (__force cputime_t)((__secs) * NSEC_PER_SEC) - -/* - * Convert cputime <-> timespec (nsec) - */ -static inline cputime_t timespec_to_cputime(const struct timespec *val) -{ - u64 ret = (u64)val->tv_sec * NSEC_PER_SEC + val->tv_nsec; - return (__force cputime_t) ret; -} -static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val) -{ - u32 rem; - - val->tv_sec = cputime_div_rem(ct, NSEC_PER_SEC, &rem); - val->tv_nsec = rem; -} - -/* - * Convert cputime <-> timeval (msec) - */ -static inline cputime_t timeval_to_cputime(const struct timeval *val) -{ - u64 ret = (u64)val->tv_sec * NSEC_PER_SEC + - val->tv_usec * NSEC_PER_USEC; - return (__force cputime_t) ret; -} -static inline void cputime_to_timeval(const cputime_t ct, struct timeval *val) -{ - u32 rem; - - val->tv_sec = cputime_div_rem(ct, NSEC_PER_SEC, &rem); - val->tv_usec = rem / NSEC_PER_USEC; -} - -/* - * Convert cputime <-> clock (USER_HZ) - */ -#define cputime_to_clock_t(__ct) \ - cputime_div(__ct, (NSEC_PER_SEC / USER_HZ)) -#define clock_t_to_cputime(__x) \ - (__force cputime_t)((__x) * (NSEC_PER_SEC / USER_HZ)) - -/* - * Convert cputime64 to clock. - */ -#define cputime64_to_clock_t(__ct) \ - cputime_to_clock_t((__force cputime_t)__ct) - -#endif -- 2.7.4