On Tue, Mar 28, 2006 at 12:32:30AM +0200, Blaisorblade wrote:
> There are tons of places where spinlocks are used improperly. We need
> stricter locking, however that is complicated by the addition of atomic
> sections where UML can't sleep.
>
> For instance, sigio_lock needs to be irqsave (I'll test the patch for this
> shortly). On the other side, uml_console_write shouldn't take any lock, it
> seems (see Documentation/tty.txt).
Yeah, the locking needs work. We just need to make an SMP pass over
the arch to clean this up.
Jeff
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