Re: Spinlocks: the saga

Arnaldo Carvalho de Melo (acme@conectiva.com.br)
Wed, 30 Jun 1999 18:07:38 -0300 (EST)


On Wed, 30 Jun 1999, Linux Lists wrote:

> On Wed, 30 Jun 1999, Arnaldo Carvalho de Melo wrote:
>
> > Ivan, take a look at the cyclom2x source code available from kernel
> > 2.3.6+, it manages several logical channels, using spinlocks in a way
> > that, I think, is similar to your needs in the cyclades Y and Z cards. 8)
>
> Yes, but even though you have defined a per-channel spinlock, you're using
> only the general spinlock (i.e., the one that locks the whole card). I'm
> trying to avoid this, as the Cyclom-Y can have up to 32 ports (devices)
> and locking the whole board because of one port doesn't seem like a good
> idea.

Good! At least I managed to have one more person to look at my first
driver! ;> I'll take a look at this as soon as I have time, thanks for the
report 8) Really it's not enough to make it work, I have to make it work
in the best way possible 8)

- Arnaldo

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