Re: Persistent module storage [was Linux 2.4 Status / TODO page]

[Jeff Garzik]

David Woodhouse wrote:
> 
> [EMAIL PROTECTED] said:
> > > * User continues to happily listen to radio through sound card
> > You're using the sound card without a driver?
> 
> Yes. The sound card allows itself to be unloaded when the pass-through mixer
> levels are non-zero. This is reasonable iff it can be reloaded without
> destroying those levels again.

I don't think that is reasonable.

The first thing most drivers do is reset the hardware.   That inevitably
leads to some sort of blip, when it comes to sound drivers.  If you
-don't- reset the hardware, the driver is using hardware that is in an
unknown state.  (using hardware w/out resetting it == unknown state)

You are depending on the hardware to keep its state -between- driver
unload and driver reload.  That seems inherently unstable to me.  It
amazes me that such is supported.

        Jeff


-- 
Jeff Garzik             | Dinner is ready when
Building 1024           | the smoke alarm goes off.
MandrakeSoft            |       -/usr/games/fortune
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
Please read the FAQ at http://www.tux.org/lkml/