Steven Rostedt <[email protected]> writes:
>
> That's the problem. I found out that one ioctl might sleep holding the
> sem and won't be woken up until another process calls another ioctl to
> wake it up. But unfortunately, the one waking up the sleeper will block
> on the sem. (the killer was tty_wait_until_sent)
You should have looked into mainline first. The semaphore is already gone
because it wasn't even needed anymore.
-Andi
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