On Thursday 03 August 2006 11:46, Evgeniy Polyakov wrote:
> poll/select() notifications. Timer notifications.
>
> +++ b/kernel/kevent/kevent_poll.c
> +static int kevent_poll_wait_callback(wait_queue_t *wait,
> + unsigned mode, int sync, void *key)
> +{
> + struct kevent_poll_wait_container *cont =
> + container_of(wait, struct kevent_poll_wait_container, wait);
> + struct kevent *k = cont->k;
> + struct file *file = k->st->origin;
> + unsigned long flags;
> + u32 revents, event;
> +
> + revents = file->f_op->poll(file, NULL);
> + spin_lock_irqsave(&k->ulock, flags);
> + event = k->event.event;
> + spin_unlock_irqrestore(&k->ulock, flags);
Not sure why you take a spinlock just to read a u32
Eric
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