diff options
| -rw-r--r-- | pfinet/sched.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/pfinet/sched.c b/pfinet/sched.c index 38a419ff..916a7e1f 100644 --- a/pfinet/sched.c +++ b/pfinet/sched.c @@ -21,37 +21,31 @@ #include <asm/system.h> #include <linux/sched.h> -struct mutex global_interrupt_lock = MUTEX_INITIALIZER; +struct mutex global_lock = MUTEX_INITIALIZER; struct task_struct *current; -struct mutex user_kernel_lock = MUTEX_INITIALIZER; - /* Call this before doing kernel-level calls; this enforces the non-preemptibility of the kernel. */ void start_kernel (struct task_struct *task) { - mutex_lock (&user_kernel_lock); - mutex_lock (&global_interrupt_lock); + mutex_lock (&global_lock); current = task; - mutex_unlock (&global_interrupt_lock); } /* Call this when done doing a kernel-level call. */ void end_kernel (void) { - mutex_lock (&global_interrupt_lock); current = 0; - mutex_unlock (&global_interrupt_lock); - mutex_unlock (&user_kernel_lock); + mutex_unlock (&global_lock); } void interruptible_sleep_on (struct wait_queue **p) { - condition_wait (&(*p)->c, &user_kernel_lock); + condition_wait (&(*p)->c, &global_lock); } void |