Re: The Serial Layer

[Alan Cox]

On Maw, 2004-09-07 at 21:06, Arjan van de Ven wrote:
> On Tue, 2004-09-07 at 20:49, Alan Cox wrote:
> > Is anyone currently looking at fixing this before I start applying
> > extreme violence ? In particular to start trying to do something about
> > the races in TIOCSTI, line discipline setting, hangup v receive, drivers
> > abusing the API and calling ldisc.receive_buf direct ?
> 
> don't you mean the TTY layer instead of the serial layer ?

Both. A lot of hangup/receive races are in the serial drivers themselves
doing things like

	hangup
	[close ldisc]
	send bytes to the ldisc
	[Boom!]

Alan

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