diff options
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/Kconfig | 6 | ||||
| -rw-r--r-- | arch/m68k/include/asm/hardirq_mm.h | 12 | ||||
| -rw-r--r-- | arch/m68k/include/asm/mman.h | 18 | ||||
| -rw-r--r-- | arch/m68k/include/asm/unistd.h | 2 | ||||
| -rw-r--r-- | arch/m68k/kernel/entry.S | 2 | ||||
| -rw-r--r-- | arch/m68k/kernel/time.c | 70 | ||||
| -rw-r--r-- | arch/m68k/mm/init.c | 2 |
7 files changed, 14 insertions, 98 deletions
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index fb87c08c6b57..29dd8489ffec 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -58,6 +58,12 @@ config HZ int default 100 +config GENERIC_TIME + def_bool y + +config ARCH_USES_GETTIMEOFFSET + def_bool y + mainmenu "Linux/68k Kernel Configuration" source "init/Kconfig" diff --git a/arch/m68k/include/asm/hardirq_mm.h b/arch/m68k/include/asm/hardirq_mm.h index 394ee946015c..554f65b6cd3b 100644 --- a/arch/m68k/include/asm/hardirq_mm.h +++ b/arch/m68k/include/asm/hardirq_mm.h @@ -1,16 +1,8 @@ #ifndef __M68K_HARDIRQ_H #define __M68K_HARDIRQ_H -#include <linux/threads.h> -#include <linux/cache.h> - -/* entry.S is sensitive to the offsets of these fields */ -typedef struct { - unsigned int __softirq_pending; -} ____cacheline_aligned irq_cpustat_t; - -#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ - #define HARDIRQ_BITS 8 +#include <asm-generic/hardirq.h> + #endif diff --git a/arch/m68k/include/asm/mman.h b/arch/m68k/include/asm/mman.h index 9f5c4c4b3c7b..8eebf89f5ab1 100644 --- a/arch/m68k/include/asm/mman.h +++ b/arch/m68k/include/asm/mman.h @@ -1,17 +1 @@ -#ifndef __M68K_MMAN_H__ -#define __M68K_MMAN_H__ - -#include <asm-generic/mman-common.h> - -#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ -#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ -#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ -#define MAP_LOCKED 0x2000 /* pages are locked */ -#define MAP_NORESERVE 0x4000 /* don't check for reservations */ -#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ -#define MAP_NONBLOCK 0x10000 /* do not block on IO */ - -#define MCL_CURRENT 1 /* lock all current mappings */ -#define MCL_FUTURE 2 /* lock all future mappings */ - -#endif /* __M68K_MMAN_H__ */ +#include <asm-generic/mman.h> diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index 946d8691f2b0..48b87f5ced50 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -335,7 +335,7 @@ #define __NR_preadv 329 #define __NR_pwritev 330 #define __NR_rt_tgsigqueueinfo 331 -#define __NR_perf_counter_open 332 +#define __NR_perf_event_open 332 #ifdef __KERNEL__ diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index 922f52e7ed1a..c5b33634c980 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -756,5 +756,5 @@ sys_call_table: .long sys_preadv .long sys_pwritev /* 330 */ .long sys_rt_tgsigqueueinfo - .long sys_perf_counter_open + .long sys_perf_event_open diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c index 54d980795fc4..17dc2a31a7ca 100644 --- a/arch/m68k/kernel/time.c +++ b/arch/m68k/kernel/time.c @@ -91,77 +91,11 @@ void __init time_init(void) mach_sched_init(timer_interrupt); } -/* - * This version of gettimeofday has near microsecond resolution. - */ -void do_gettimeofday(struct timeval *tv) +u32 arch_gettimeoffset(void) { - unsigned long flags; - unsigned long seq; - unsigned long usec, sec; - unsigned long max_ntp_tick = tick_usec - tickadj; - - do { - seq = read_seqbegin_irqsave(&xtime_lock, flags); - - usec = mach_gettimeoffset(); - - /* - * If time_adjust is negative then NTP is slowing the clock - * so make sure not to go into next possible interval. - * Better to lose some accuracy than have time go backwards.. - */ - if (unlikely(time_adjust < 0)) - usec = min(usec, max_ntp_tick); - - sec = xtime.tv_sec; - usec += xtime.tv_nsec/1000; - } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); - - - while (usec >= 1000000) { - usec -= 1000000; - sec++; - } - - tv->tv_sec = sec; - tv->tv_usec = usec; -} - -EXPORT_SYMBOL(do_gettimeofday); - -int do_settimeofday(struct timespec *tv) -{ - time_t wtm_sec, sec = tv->tv_sec; - long wtm_nsec, nsec = tv->tv_nsec; - - if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) - return -EINVAL; - - write_seqlock_irq(&xtime_lock); - /* This is revolting. We need to set the xtime.tv_nsec - * correctly. However, the value in this location is - * is value at the last tick. - * Discover what correction gettimeofday - * would have done, and then undo it! - */ - nsec -= 1000 * mach_gettimeoffset(); - - wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec); - wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec); - - set_normalized_timespec(&xtime, sec, nsec); - set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec); - - ntp_clear(); - write_sequnlock_irq(&xtime_lock); - clock_was_set(); - return 0; + return mach_gettimeoffset() * 1000; } -EXPORT_SYMBOL(do_settimeofday); - - static int __init rtc_init(void) { struct platform_device *pdev; diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c index 0007b2adf3a3..774549accd2d 100644 --- a/arch/m68k/mm/init.c +++ b/arch/m68k/mm/init.c @@ -126,7 +126,7 @@ void __init mem_init(void) #endif printk("Memory: %luk/%luk available (%dk kernel code, %dk data, %dk init)\n", - (unsigned long)nr_free_pages() << (PAGE_SHIFT-10), + nr_free_pages() << (PAGE_SHIFT-10), totalram_pages << (PAGE_SHIFT-10), codepages << (PAGE_SHIFT-10), datapages << (PAGE_SHIFT-10), |