unsigned int new_head;
int wake_readers = 0;
+ rcu_read_lock();
list_for_each_entry_rcu(client, &mousedev->client_list, node) {
/* Just acquire the lock, interrupts already disabled */
wake_readers = 1;
}
}
+ rcu_read_unlock();
if (wake_readers)
wake_up_interruptible(&mousedev->wait);
spin_lock(&mousedev->client_lock);
list_add_tail_rcu(&client->node, &mousedev->client_list);
spin_unlock(&mousedev->client_lock);
- /*
- * We don't use synchronize_rcu() here because read-side
- * critical section is protected by a spinlock (dev->event_lock)
- * instead of rcu_read_lock().
- */
- synchronize_sched();
+ synchronize_rcu();
}
static void mousedev_detach_client(struct mousedev *mousedev,
spin_lock(&mousedev->client_lock);
list_del_rcu(&client->node);
spin_unlock(&mousedev->client_lock);
- synchronize_sched();
+ synchronize_rcu();
}
static int mousedev_release(struct inode *inode, struct file *file)
.flags = INPUT_DEVICE_ID_MATCH_EVBIT |
INPUT_DEVICE_ID_MATCH_KEYBIT |
INPUT_DEVICE_ID_MATCH_RELBIT,
- .evbit = { BIT(EV_KEY) | BIT(EV_REL) },
- .keybit = { [LONG(BTN_LEFT)] = BIT(BTN_LEFT) },
- .relbit = { BIT(REL_X) | BIT(REL_Y) },
+ .evbit = { BIT_MASK(EV_KEY) | BIT_MASK(EV_REL) },
+ .keybit = { [BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) },
+ .relbit = { BIT_MASK(REL_X) | BIT_MASK(REL_Y) },
}, /* A mouse like device, at least one button,
two relative axes */
{
.flags = INPUT_DEVICE_ID_MATCH_EVBIT |
INPUT_DEVICE_ID_MATCH_RELBIT,
- .evbit = { BIT(EV_KEY) | BIT(EV_REL) },
- .relbit = { BIT(REL_WHEEL) },
+ .evbit = { BIT_MASK(EV_KEY) | BIT_MASK(EV_REL) },
+ .relbit = { BIT_MASK(REL_WHEEL) },
}, /* A separate scrollwheel */
{
.flags = INPUT_DEVICE_ID_MATCH_EVBIT |
INPUT_DEVICE_ID_MATCH_KEYBIT |
INPUT_DEVICE_ID_MATCH_ABSBIT,
- .evbit = { BIT(EV_KEY) | BIT(EV_ABS) },
- .keybit = { [LONG(BTN_TOUCH)] = BIT(BTN_TOUCH) },
- .absbit = { BIT(ABS_X) | BIT(ABS_Y) },
+ .evbit = { BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) },
+ .keybit = { [BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH) },
+ .absbit = { BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) },
}, /* A tablet like device, at least touch detection,
two absolute axes */
{
.flags = INPUT_DEVICE_ID_MATCH_EVBIT |
INPUT_DEVICE_ID_MATCH_KEYBIT |
INPUT_DEVICE_ID_MATCH_ABSBIT,
- .evbit = { BIT(EV_KEY) | BIT(EV_ABS) },
- .keybit = { [LONG(BTN_TOOL_FINGER)] = BIT(BTN_TOOL_FINGER) },
- .absbit = { BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE) |
- BIT(ABS_TOOL_WIDTH) },
+ .evbit = { BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) },
+ .keybit = { [BIT_WORD(BTN_TOOL_FINGER)] =
+ BIT_MASK(BTN_TOOL_FINGER) },
+ .absbit = { BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) |
+ BIT_MASK(ABS_PRESSURE) |
+ BIT_MASK(ABS_TOOL_WIDTH) },
}, /* A touchpad */
+ {
+ .flags = INPUT_DEVICE_ID_MATCH_EVBIT |
+ INPUT_DEVICE_ID_MATCH_KEYBIT |
+ INPUT_DEVICE_ID_MATCH_ABSBIT,
+ .evbit = { BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_SYN) },
+ .keybit = { [BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) },
+ .absbit = { BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) },
+ }, /* Mouse-like device with absolute X and Y but ordinary
+ clicks, like hp ILO2 High Performance mouse */
{ }, /* Terminating entry */
};