> It depends on what you mean by killed off. I submitted a patch to Linus back
> at 2.5.3 to clean up the way the completion code called the wait queue
> interface. This interface got added then. You picked up those changes at
> that time (and still have them in your kernel tree) but the changes have
> never made it into Linus' tree.
>
> So, Linus has never had the code to 'kill' and you've never dropped it
> after picking it up.
Work has gone in since this.
During 2.5.20, Linus asked for and I submitted a patch to remove the
whole wq_lock_t mess altogether. It was merged into 2.5.21.
Subsequently, there is no wq_lock_t abstraction in current 2.5 kernels
and code should use a standard spinlock.
Robert Love
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