diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2011-02-01 16:51:20 +0300 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2011-02-02 17:28:13 +0300 |
commit | 3751f9f29bcbc19bd10e92254a273486f150c245 (patch) | |
tree | b359b47023f268cc741ac7c1ca88892c96d41df9 /kernel/posix-cpu-timers.c | |
parent | 59bd5bc24aa69f6c62da1e242c16f09f667def96 (diff) | |
download | linux-3751f9f29bcbc19bd10e92254a273486f150c245.tar.xz |
posix-timers: Cleanup restart_block usage
posix timers still use the legacy arg0-arg3 members of
restart_block. Use restart_block.nanosleep instead
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <johnstul@us.ibm.com>
Tested-by: Richard Cochran <richard.cochran@omicron.at>
LKML-Reference: <20110201134418.232288779@linutronix.de>
Diffstat (limited to 'kernel/posix-cpu-timers.c')
-rw-r--r-- | kernel/posix-cpu-timers.c | 38 |
1 files changed, 15 insertions, 23 deletions
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index 816cd49a5ad9..9e617b00afa9 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -1485,7 +1485,7 @@ int posix_cpu_nsleep(const clockid_t which_clock, int flags, struct timespec *rqtp, struct timespec __user *rmtp) { struct restart_block *restart_block = - ¤t_thread_info()->restart_block; + ¤t_thread_info()->restart_block; struct itimerspec it; int error; @@ -1501,50 +1501,42 @@ int posix_cpu_nsleep(const clockid_t which_clock, int flags, if (error == -ERESTART_RESTARTBLOCK) { - if (flags & TIMER_ABSTIME) + if (flags & TIMER_ABSTIME) return -ERESTARTNOHAND; /* - * Report back to the user the time still remaining. - */ - if (rmtp != NULL && copy_to_user(rmtp, &it.it_value, sizeof *rmtp)) + * Report back to the user the time still remaining. + */ + if (rmtp && copy_to_user(rmtp, &it.it_value, sizeof *rmtp)) return -EFAULT; restart_block->fn = posix_cpu_nsleep_restart; - restart_block->arg0 = which_clock; - restart_block->arg1 = (unsigned long) rmtp; - restart_block->arg2 = rqtp->tv_sec; - restart_block->arg3 = rqtp->tv_nsec; + restart_block->nanosleep.index = which_clock; + restart_block->nanosleep.rmtp = rmtp; + restart_block->nanosleep.expires = timespec_to_ns(rqtp); } return error; } long posix_cpu_nsleep_restart(struct restart_block *restart_block) { - clockid_t which_clock = restart_block->arg0; - struct timespec __user *rmtp; + clockid_t which_clock = restart_block->nanosleep.index; struct timespec t; struct itimerspec it; int error; - rmtp = (struct timespec __user *) restart_block->arg1; - t.tv_sec = restart_block->arg2; - t.tv_nsec = restart_block->arg3; + t = ns_to_timespec(restart_block->nanosleep.expires); - restart_block->fn = do_no_restart_syscall; error = do_cpu_nanosleep(which_clock, TIMER_ABSTIME, &t, &it); if (error == -ERESTART_RESTARTBLOCK) { + struct timespec __user *rmtp = restart_block->nanosleep.rmtp; /* - * Report back to the user the time still remaining. - */ - if (rmtp != NULL && copy_to_user(rmtp, &it.it_value, sizeof *rmtp)) + * Report back to the user the time still remaining. + */ + if (rmtp && copy_to_user(rmtp, &it.it_value, sizeof *rmtp)) return -EFAULT; - restart_block->fn = posix_cpu_nsleep_restart; - restart_block->arg0 = which_clock; - restart_block->arg1 = (unsigned long) rmtp; - restart_block->arg2 = t.tv_sec; - restart_block->arg3 = t.tv_nsec; + restart_block->nanosleep.expires = timespec_to_ns(&t); } return error; |