Re: [PATCH] Remove race between con_open and con_close

[Paul Mackerras]

Russell King writes:

> Have you looked at how serial_core handles this kind of problem in
> its open and close methods?  I put some comments in there because
> of the issue, after thinking about it fairly carefully.

Yes, albeit briefly; the problem in con_open is much simpler because
we never need to block.

Paul.
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