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author | Alexey Dobriyan <adobriyan@openvz.org> | 2007-02-10 09:45:10 (GMT) |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-11 18:51:28 (GMT) |
commit | b035b6de24932ffd4a2b1c6619a2f5711da6920f (patch) | |
tree | 76f43316bf4788c510a1f271064b67ef8e584035 /arch | |
parent | 5e07e1ccb0c0f25dd748ebe2ef83008c2229bf1c (diff) | |
download | linux-b035b6de24932ffd4a2b1c6619a2f5711da6920f.tar.xz |
[PATCH] Consolidate default sched_clock()
Use attribute(weak).
Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/alpha/kernel/time.c | 11 | ||||
-rw-r--r-- | arch/arm/kernel/time.c | 10 | ||||
-rw-r--r-- | arch/arm26/kernel/time.c | 8 | ||||
-rw-r--r-- | arch/avr32/kernel/time.c | 9 | ||||
-rw-r--r-- | arch/cris/kernel/time.c | 8 | ||||
-rw-r--r-- | arch/h8300/kernel/time.c | 6 | ||||
-rw-r--r-- | arch/m32r/kernel/time.c | 8 | ||||
-rw-r--r-- | arch/m68k/kernel/time.c | 9 | ||||
-rw-r--r-- | arch/m68knommu/kernel/time.c | 9 | ||||
-rw-r--r-- | arch/mips/kernel/time.c | 5 | ||||
-rw-r--r-- | arch/parisc/kernel/time.c | 11 | ||||
-rw-r--r-- | arch/sh/kernel/time.c | 8 | ||||
-rw-r--r-- | arch/sh64/kernel/time.c | 9 | ||||
-rw-r--r-- | arch/sparc/kernel/time.c | 9 | ||||
-rw-r--r-- | arch/v850/kernel/time.c | 8 | ||||
-rw-r--r-- | arch/xtensa/kernel/time.c | 9 |
16 files changed, 0 insertions, 137 deletions
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c index d7053eb..4748e14 100644 --- a/arch/alpha/kernel/time.c +++ b/arch/alpha/kernel/time.c @@ -91,17 +91,6 @@ static inline __u32 rpcc(void) } /* - * Scheduler clock - returns current time in nanosec units. - * - * Copied from ARM code for expediency... ;-} - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - - -/* * timer_interrupt() needs to keep up the real-time clock, * as well as call the "do_timer()" routine every clocktick */ diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c index 3c8cdcf..ee47c53 100644 --- a/arch/arm/kernel/time.c +++ b/arch/arm/kernel/time.c @@ -78,16 +78,6 @@ static unsigned long dummy_gettimeoffset(void) #endif /* - * Scheduler clock - returns current time in nanosec units. - * This is the default implementation. Sub-architecture - * implementations can override this. - */ -unsigned long long __attribute__((weak)) sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - -/* * An implementation of printk_clock() independent from * sched_clock(). This avoids non-bootable kernels when * printk_clock is enabled. diff --git a/arch/arm26/kernel/time.c b/arch/arm26/kernel/time.c index 1206469..0f1d57f 100644 --- a/arch/arm26/kernel/time.c +++ b/arch/arm26/kernel/time.c @@ -89,14 +89,6 @@ static unsigned long gettimeoffset(void) return (offset + LATCH/2) / LATCH; } -/* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - static unsigned long next_rtc_update; /* diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c index 5a247ba..a2f74af 100644 --- a/arch/avr32/kernel/time.c +++ b/arch/avr32/kernel/time.c @@ -110,15 +110,6 @@ static void avr32_hpt_init(unsigned int count) } /* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - /* There must be better ways...? */ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - -/* * local_timer_interrupt() does profiling and process accounting on a * per-CPU basis. * diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c index 22a1aa5..acfd045 100644 --- a/arch/cris/kernel/time.c +++ b/arch/cris/kernel/time.c @@ -216,14 +216,6 @@ cris_do_profile(struct pt_regs* regs) #endif } -/* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - static int __init init_udelay(void) { diff --git a/arch/h8300/kernel/time.c b/arch/h8300/kernel/time.c index 8abab3b..d1ef615 100644 --- a/arch/h8300/kernel/time.c +++ b/arch/h8300/kernel/time.c @@ -118,9 +118,3 @@ int do_settimeofday(struct timespec *tv) } EXPORT_SYMBOL(do_settimeofday); - -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); - -} diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c index a090382..3858c9f 100644 --- a/arch/m32r/kernel/time.c +++ b/arch/m32r/kernel/time.c @@ -286,11 +286,3 @@ void __init time_init(void) #error no chip configuration #endif } - -/* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c index 2a599c3..4c065f9 100644 --- a/arch/m68k/kernel/time.c +++ b/arch/m68k/kernel/time.c @@ -159,12 +159,3 @@ int do_settimeofday(struct timespec *tv) } EXPORT_SYMBOL(do_settimeofday); - -/* - * Scheduler clock - returns current time in ns units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies*(1000000000/HZ); -} - diff --git a/arch/m68knommu/kernel/time.c b/arch/m68knommu/kernel/time.c index 11ea217..467053d 100644 --- a/arch/m68knommu/kernel/time.c +++ b/arch/m68knommu/kernel/time.c @@ -174,13 +174,4 @@ int do_settimeofday(struct timespec *tv) clock_was_set(); return 0; } - -/* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - EXPORT_SYMBOL(do_settimeofday); diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index 8aa544f7..545fcbc 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -455,8 +455,3 @@ EXPORT_SYMBOL(rtc_lock); EXPORT_SYMBOL(to_tm); EXPORT_SYMBOL(rtc_mips_set_time); EXPORT_SYMBOL(rtc_mips_get_time); - -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies*(1000000000/HZ); -} diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index bad7d1e..5f1b51a 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -288,17 +288,6 @@ do_settimeofday (struct timespec *tv) } EXPORT_SYMBOL(do_settimeofday); -/* - * XXX: We can do better than this. - * Returns nanoseconds - */ - -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - - void __init start_cpu_itimer(void) { unsigned int cpu = smp_processor_id(); diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c index c206c95..d47e775 100644 --- a/arch/sh/kernel/time.c +++ b/arch/sh/kernel/time.c @@ -41,14 +41,6 @@ static int null_rtc_set_time(const time_t secs) void (*rtc_sh_get_time)(struct timespec *) = null_rtc_get_time; int (*rtc_sh_set_time)(const time_t) = null_rtc_set_time; -/* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long __attribute__ ((weak)) sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - #ifndef CONFIG_GENERIC_TIME void do_gettimeofday(struct timeval *tv) { diff --git a/arch/sh64/kernel/time.c b/arch/sh64/kernel/time.c index 9c4a38a..390b40d 100644 --- a/arch/sh64/kernel/time.c +++ b/arch/sh64/kernel/time.c @@ -579,12 +579,3 @@ void enter_deep_standby(void) asm __volatile__ ("nop"); panic("Unexpected wakeup!\n"); } - -/* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c index 2fcce00..9bb1240aa 100644 --- a/arch/sparc/kernel/time.c +++ b/arch/sparc/kernel/time.c @@ -436,15 +436,6 @@ static inline unsigned long do_gettimeoffset(void) return (*master_l10_counter >> 10) & 0x1fffff; } -/* - * Returns nanoseconds - * XXX This is a suboptimal implementation. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - /* Ok, my cute asm atomicity trick doesn't work anymore. * There are just too many variables that need to be protected * now (both members of xtime, et al.) diff --git a/arch/v850/kernel/time.c b/arch/v850/kernel/time.c index cd06f47..486e3a4 100644 --- a/arch/v850/kernel/time.c +++ b/arch/v850/kernel/time.c @@ -28,14 +28,6 @@ #define TICK_SIZE (tick_nsec / 1000) /* - * Scheduler clock - returns current time in nanosec units. - */ -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - -/* * timer_interrupt() needs to keep up the real-time clock, * as well as call the "do_timer()" routine every clocktick */ diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c index a350431..22949be 100644 --- a/arch/xtensa/kernel/time.c +++ b/arch/xtensa/kernel/time.c @@ -38,15 +38,6 @@ unsigned long ccount_nsec; /* nsec per ccount increment */ unsigned int last_ccount_stamp; static long last_rtc_update = 0; -/* - * Scheduler clock - returns current tim in nanosec units. - */ - -unsigned long long sched_clock(void) -{ - return (unsigned long long)jiffies * (1000000000 / HZ); -} - static irqreturn_t timer_interrupt(int irq, void *dev_id); static struct irqaction timer_irqaction = { .handler = timer_interrupt, |