Re: [PATCH-v3] tty: prevent unnecessary work queue lock checking on flip buffer copy

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> Note, I took out the WARN_ON() in this patch, as what is that really
> going to help here?  It also will conflict with a patch from Jiri I'll
> ba applying after this one, so if you think it's needed, care to send
> a follow-on patch based on linux-next in a few days?

It catches anyone flipping low_latency wrongly or in other places. It's
fairly important as WARN_ON() goes !
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