Re: How to lock current->signal->tty

From: Alan Cox
Date: Tue Aug 08 2006 - 11:23:29 EST

Ar Maw, 2006-08-08 am 08:10 -0700, ysgrifennodd Arjan van de Ven:
> > Unfortunately:
> > Dquot passes the tty to tty_write_message without locking
> > arch/ia64/kernel/unanligned seems to write to it without locking
> these two have absolutely no business at all using anything tty.... they should
> just use printk with KERN_EMERG or whatever

Dquot does - it writes to the controlling tty of the process exceeding
quota . That is standard Unix behaviour

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