Re: [PATCH] bttv driver II

From: Manfred Spraul (manfreds@colorfullife.com)
Date: Mon May 22 2000 - 15:15:13 EST

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Rui Sousa wrote:
>
> And having a interruptible_sleep_on() with no locking at all (like in VIDIOCSYNC
> ioctl) is a strict no-no?

There are one or two exceptions where sleep_on() is correct... (*)

Ingo added
wait_event_lock_irq()
to his raid drivers <linux/raid/md_k.h>, perhaps we should move it into
<linux/sched.h>?

-- Manfred

(*) e.g. the filesystems can continue to use it if both wake_up and sleep_on are protected by lock_kernel().

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