diff options
Diffstat (limited to 'arch/s390/kernel/time.c')
| -rw-r--r-- | arch/s390/kernel/time.c | 25 |
1 files changed, 5 insertions, 20 deletions
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index ef596d02057..d4c8e9c47c8 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -36,7 +36,6 @@ #include <linux/notifier.h> #include <linux/clocksource.h> #include <linux/clockchips.h> -#include <linux/bootmem.h> #include <asm/uaccess.h> #include <asm/delay.h> #include <asm/s390_ext.h> @@ -62,15 +61,12 @@ u64 sched_clock_base_cc = -1; /* Force to data section. */ -static ext_int_info_t ext_int_info_cc; -static ext_int_info_t ext_int_etr_cc; - static DEFINE_PER_CPU(struct clock_event_device, comparators); /* * Scheduler clock - returns current time in nanosec units. */ -unsigned long long sched_clock(void) +unsigned long long notrace sched_clock(void) { return ((get_clock_xt() - sched_clock_base_cc) * 125) >> 9; } @@ -95,12 +91,6 @@ void tod_to_timeval(__u64 todval, struct timespec *xtime) xtime->tv_nsec = ((todval * 1000) >> 12); } -#ifdef CONFIG_PROFILING -#define s390_do_profile() profile_tick(CPU_PROFILING) -#else -#define s390_do_profile() do { ; } while(0) -#endif /* CONFIG_PROFILING */ - void clock_comparator_work(void) { struct clock_event_device *cd; @@ -109,7 +99,6 @@ void clock_comparator_work(void) set_clock_comparator(S390_lowcore.clock_comparator); cd = &__get_cpu_var(comparators); cd->event_handler(cd); - s390_do_profile(); } /* @@ -262,15 +251,11 @@ void __init time_init(void) stp_reset(); /* request the clock comparator external interrupt */ - if (register_early_external_interrupt(0x1004, - clock_comparator_interrupt, - &ext_int_info_cc) != 0) + if (register_external_interrupt(0x1004, clock_comparator_interrupt)) panic("Couldn't request external interrupt 0x1004"); /* request the timing alert external interrupt */ - if (register_early_external_interrupt(0x1406, - timing_alert_interrupt, - &ext_int_etr_cc) != 0) + if (register_external_interrupt(0x1406, timing_alert_interrupt)) panic("Couldn't request external interrupt 0x1406"); if (clocksource_register(&clocksource_tod) != 0) @@ -1452,14 +1437,14 @@ static void __init stp_reset(void) { int rc; - stp_page = alloc_bootmem_pages(PAGE_SIZE); + stp_page = (void *) get_zeroed_page(GFP_ATOMIC); rc = chsc_sstpc(stp_page, STP_OP_CTRL, 0x0000); if (rc == 0) set_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags); else if (stp_online) { pr_warning("The real or virtual hardware system does " "not provide an STP interface\n"); - free_bootmem((unsigned long) stp_page, PAGE_SIZE); + free_page((unsigned long) stp_page); stp_page = NULL; stp_online = 0; } |