| 41,6 → 41,7 |
|---|
| #include <sysinfo/sysinfo.h> |
| #include <interrupt.h> |
| #include <stdarg.h> |
| #include <synch/rcu.h> |
| |
| #define CUDA_IRQ 10 |
| #define SPECIAL '?' |
| 249,7 → 250,7 |
|---|
| |
| static void cuda_irq_handler(irq_t *irq, void *arg, ...) |
| { |
| if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox)) |
| if ((rcu_dereference_pointer(irq->notif_cfg).notify) && (rcu_dereference_pointer(irq->notif_cfg).answerbox)) |
| ipc_irq_send_notif(irq); |
| else { |
| int scan_code = cuda_get_scancode(); |
| 272,9 → 273,9 |
|---|
| void cuda_grab(void) |
| { |
| ipl_t ipl = interrupts_disable(); |
| spinlock_lock(&cuda_irq.lock); |
| cuda_irq.notif_cfg.notify = false; |
| spinlock_unlock(&cuda_irq.lock); |
| //rcu_read_lock() is not needed, ints are disabled |
| //rcu: atomic update doesn't need reallocation |
| rcu_dereference_pointer(cuda_irq.notif_cfg).notify = false; |
| interrupts_restore(ipl); |
| } |
| |
| 283,9 → 284,10 |
|---|
| void cuda_release(void) |
| { |
| ipl_t ipl = interrupts_disable(); |
| //rcu: atomic update doesn't need reallocation |
| spinlock_lock(&cuda_irq.lock); |
| if (cuda_irq.notif_cfg.answerbox) |
| cuda_irq.notif_cfg.notify = true; |
| if (rcu_dereference_pointer(cuda_irq.notif_cfg).answerbox) |
| rcu_dereference_pointer(cuda_irq.notif_cfg).notify = true; |
| spinlock_unlock(&cuda_irq.unlock); |
| interrupts_restore(ipl); |
| } |