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authorThomas Gleixner <tglx@linutronix.de>2006-01-10 07:52:36 +0300
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-10 19:01:38 +0300
commit6ba1b91213e81aa92b5cf7539f7d2a94ff54947c (patch)
tree0d461bf7c7f444a80d09f09501e9fb378a78220f /kernel/timer.c
parent10c94ec16dd187f8d8dfdbb088e98330c05bf03c (diff)
downloadlinux-6ba1b91213e81aa92b5cf7539f7d2a94ff54947c.tar.xz
[PATCH] hrtimer: switch sys_nanosleep to hrtimer
convert sys_nanosleep() to use hrtimer_nanosleep() Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/timer.c')
-rw-r--r--kernel/timer.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/kernel/timer.c b/kernel/timer.c
index 80bf2acf6b08..4f1cb0ab5251 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1120,62 +1120,6 @@ asmlinkage long sys_gettid(void)
return current->pid;
}
-static long __sched nanosleep_restart(struct restart_block *restart)
-{
- unsigned long expire = restart->arg0, now = jiffies;
- struct timespec __user *rmtp = (struct timespec __user *) restart->arg1;
- long ret;
-
- /* Did it expire while we handled signals? */
- if (!time_after(expire, now))
- return 0;
-
- expire = schedule_timeout_interruptible(expire - now);
-
- ret = 0;
- if (expire) {
- struct timespec t;
- jiffies_to_timespec(expire, &t);
-
- ret = -ERESTART_RESTARTBLOCK;
- if (rmtp && copy_to_user(rmtp, &t, sizeof(t)))
- ret = -EFAULT;
- /* The 'restart' block is already filled in */
- }
- return ret;
-}
-
-asmlinkage long sys_nanosleep(struct timespec __user *rqtp, struct timespec __user *rmtp)
-{
- struct timespec t;
- unsigned long expire;
- long ret;
-
- if (copy_from_user(&t, rqtp, sizeof(t)))
- return -EFAULT;
-
- if ((t.tv_nsec >= 1000000000L) || (t.tv_nsec < 0) || (t.tv_sec < 0))
- return -EINVAL;
-
- expire = timespec_to_jiffies(&t) + (t.tv_sec || t.tv_nsec);
- expire = schedule_timeout_interruptible(expire);
-
- ret = 0;
- if (expire) {
- struct restart_block *restart;
- jiffies_to_timespec(expire, &t);
- if (rmtp && copy_to_user(rmtp, &t, sizeof(t)))
- return -EFAULT;
-
- restart = &current_thread_info()->restart_block;
- restart->fn = nanosleep_restart;
- restart->arg0 = jiffies + expire;
- restart->arg1 = (unsigned long) rmtp;
- ret = -ERESTART_RESTARTBLOCK;
- }
- return ret;
-}
-
/*
* sys_sysinfo - fill in sysinfo struct
*/