diff options
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/include/common-offsets.h | 4 | ||||
| -rw-r--r-- | arch/um/include/os.h | 2 | ||||
| -rw-r--r-- | arch/um/kernel/time.c | 9 | ||||
| -rw-r--r-- | arch/um/os-Linux/skas/process.c | 12 | ||||
| -rw-r--r-- | arch/um/os-Linux/time.c | 12 |
5 files changed, 22 insertions, 17 deletions
diff --git a/arch/um/include/common-offsets.h b/arch/um/include/common-offsets.h index 54694693f400..0edab695ed4e 100644 --- a/arch/um/include/common-offsets.h +++ b/arch/um/include/common-offsets.h @@ -34,3 +34,7 @@ DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx)); DEFINE(UM_THREAD_SIZE, THREAD_SIZE); DEFINE(UM_HZ, HZ); + +DEFINE(UM_USEC_PER_SEC, USEC_PER_SEC); +DEFINE(UM_NSEC_PER_SEC, NSEC_PER_SEC); +DEFINE(UM_NSEC_PER_USEC, NSEC_PER_USEC); diff --git a/arch/um/include/os.h b/arch/um/include/os.h index a1b0804ee57b..fbf0a87c6eaa 100644 --- a/arch/um/include/os.h +++ b/arch/um/include/os.h @@ -249,8 +249,6 @@ extern int setjmp_wrapper(void (*proc)(void *, void *), ...); extern void os_dump_core(void); /* time.c */ -#define BILLION (1000 * 1000 * 1000) - extern void idle_sleep(unsigned long long nsecs); extern int set_interval(void); extern int timer_one_shot(int ticks); diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index 2acdc7efb2ac..1ac746a9eae1 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -17,7 +17,7 @@ */ unsigned long long sched_clock(void) { - return (unsigned long long)jiffies_64 * (1000000000 / HZ); + return (unsigned long long)jiffies_64 * (NSEC_PER_SEC / HZ); } void timer_handler(int sig, struct uml_pt_regs *regs) @@ -118,8 +118,9 @@ void __init time_init(void) timer_init(); nsecs = os_nsecs(); - set_normalized_timespec(&wall_to_monotonic, -nsecs / BILLION, - -nsecs % BILLION); - set_normalized_timespec(&xtime, nsecs / BILLION, nsecs % BILLION); + set_normalized_timespec(&wall_to_monotonic, -nsecs / NSEC_PER_SEC, + -nsecs % NSEC_PER_SEC); + set_normalized_timespec(&xtime, nsecs / NSEC_PER_SEC, + nsecs % NSEC_PER_SEC); late_time_init = setup_itimer; } diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index 9936531a2620..8548f126d628 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -294,8 +294,8 @@ void userspace(struct uml_pt_regs *regs) if (getitimer(ITIMER_VIRTUAL, &timer)) printk("Failed to get itimer, errno = %d\n", errno); - nsecs = timer.it_value.tv_sec * BILLION + - timer.it_value.tv_usec * 1000; + nsecs = timer.it_value.tv_sec * UM_NSEC_PER_SEC + + timer.it_value.tv_usec * UM_NSEC_PER_USEC; nsecs += os_nsecs(); while (1) { @@ -347,8 +347,10 @@ void userspace(struct uml_pt_regs *regs) block_signals(); (*sig_info[sig])(sig, regs); unblock_signals(); - nsecs = timer.it_value.tv_sec * BILLION + - timer.it_value.tv_usec * 1000; + nsecs = timer.it_value.tv_sec * + UM_NSEC_PER_SEC + + timer.it_value.tv_usec * + UM_NSEC_PER_USEC; nsecs += os_nsecs(); break; case SIGIO: @@ -395,7 +397,7 @@ __initcall(init_thread_regs); int copy_context_skas0(unsigned long new_stack, int pid) { - struct timeval tv = { .tv_sec = 0, .tv_usec = 1000000 / UM_HZ }; + struct timeval tv = { .tv_sec = 0, .tv_usec = UM_USEC_PER_SEC / UM_HZ }; int err; unsigned long current_stack = current_stub_stack(); struct stub_data *data = (struct stub_data *) current_stack; diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c index 574b134f0502..e34e1effe0f5 100644 --- a/arch/um/os-Linux/time.c +++ b/arch/um/os-Linux/time.c @@ -14,7 +14,7 @@ int set_interval(void) { - int usec = 1000000/UM_HZ; + int usec = UM_USEC_PER_SEC / UM_HZ; struct itimerval interval = ((struct itimerval) { { 0, usec }, { 0, usec } }); @@ -26,11 +26,11 @@ int set_interval(void) int timer_one_shot(int ticks) { - unsigned long usec = ticks * 1000000 / UM_HZ; - unsigned long sec = usec / 1000000; + unsigned long usec = ticks * UM_USEC_PER_SEC / UM_HZ; + unsigned long sec = usec / UM_USEC_PER_SEC; struct itimerval interval; - usec %= 1000000; + usec %= UM_USEC_PER_SEC; interval = ((struct itimerval) { { 0, 0 }, { sec, usec } }); if (setitimer(ITIMER_VIRTUAL, &interval, NULL) == -1) @@ -78,8 +78,8 @@ extern void alarm_handler(int sig, struct sigcontext *sc); void idle_sleep(unsigned long long nsecs) { - struct timespec ts = { .tv_sec = nsecs / BILLION, - .tv_nsec = nsecs % BILLION }; + struct timespec ts = { .tv_sec = nsecs / UM_NSEC_PER_SEC, + .tv_nsec = nsecs % UM_NSEC_PER_SEC }; if (nanosleep(&ts, &ts) == 0) alarm_handler(SIGVTALRM, NULL); |