> Ok, I've looked at all the old CD-ROM drivers and there only
> appear to be these three that, obviously, have the enable
> interrupts without releasing io_request_lock problem. The
> sbpcd driver is the only one I've tested since the only drives
> I have are the old IBM external CR563s. Without the patch the
> system will lock up pretty quickly. I've hammered it pretty
> hard with it without a problem.
>
[-------------snip-----------]
>
> Anyway, shout if there is a problem :-).
>
> Mike
Thanks for the help here! I am afraid I looked at these cli() calls
for a couple of days. I knew there was a problem but I didn't know what
to do about it. Does the Linux Device drivers book discuss the spin_lock
stuff, and when to use that instead of cli()? If it does, I missed it
entirely. For the ignorant amoung us (i.e. me), could you explain why this
patch is the Right Thing(tm). Enquiring minds want to know. Thanks a
million for your help. I had about given up... Linus, please do apply this.
-Erik
--
Erik B. Andersen Web: http://www.inconnect.com/~andersen/
email: andersee@debian.org
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