| 52,6 → 52,7 |
|---|
| #include <interrupt.h> |
| #include <sysinfo/sysinfo.h> |
| #include <print.h> |
| #include <synch/rcu.h> |
| |
| /* |
| * These codes read from z8530 data register are silently ignored. |
| 90,9 → 91,9 |
|---|
| |
| z8530_write_a(&z8530, WR9, WR9_MIE); /* Master Interrupt Enable. */ |
| |
| spinlock_lock(&z8530_irq.lock); |
| z8530_irq.notif_cfg.notify = false; |
| spinlock_unlock(&z8530_irq.lock); |
| //rcu_read_lock() is not needed, ints are disabled |
| //rcu: atomic update doesn't need reallocation |
| rcu_dereference_pointer(z8530_irq.notif_cfg).notify = false; |
| interrupts_restore(ipl); |
| } |
| |
| 100,9 → 101,10 |
|---|
| void z8530_release(void) |
| { |
| ipl_t ipl = interrupts_disable(); |
| //rcu: atomic update doesn't need reallocation |
| spinlock_lock(&z8530_irq.lock); |
| if (z8530_irq.notif_cfg.answerbox) |
| z8530_irq.notif_cfg.notify = true; |
| if (rcu_dereference_pointer(z8530_irq.notif_cfg).answerbox) |
| rcu_dereference_pointer(z8530_irq.notif_cfg).notify = true; |
| spinlock_unlock(&z8530_irq.lock); |
| interrupts_restore(ipl); |
| } |
| 204,7 → 206,7 |
|---|
| * we cannot handle it by scheduling one of the level |
| * interrupt traps. Process the interrupt directly. |
| */ |
| 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 |
| z8530_interrupt(); |