Re: Serial driver hangs

[Alan Cox]

On Iau, 2004-09-30 at 20:09, Paul Fulghum wrote:
> The gaping hole in the flip buffer scheme is
> flush_to_ldisc() can be called from hard IRQ
> context while ldisc->receive_buf() is running.

This is strictly forbidden and always has been. I've no
plan to touch that restriction merely to re-educate 
any offender

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