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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Arjan van de Ven <arjan@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, davem@redhat.com,
	sds@tycho.nsa.gov, jack@suse.cz, dwmw2@infradead.org,
	tony.luck@intel.com, jdike@karaya.com,
	James.Bottomley@HansenPartnership.com
Subject: Re: How to lock current->signal->tty
Date: Tue, 08 Aug 2006 16:44:36 +0100	[thread overview]
Message-ID: <1155051876.5729.93.camel@localhost.localdomain> (raw)
In-Reply-To: <44D8A97B.30607@linux.intel.com>

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


  reply	other threads:[~2006-08-08 15:25 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-08 15:17 How to lock current->signal->tty Alan Cox
2006-08-08 15:10 ` Arjan van de Ven
2006-08-08 15:44   ` Alan Cox [this message]
2006-08-08 16:41     ` Luck, Tony
2006-08-08 17:50       ` Alan Cox
2006-08-09  8:09         ` Jes Sorensen
2006-08-09 10:44           ` Alan Cox
2006-08-09 11:26             ` Jes Sorensen
2006-08-09 16:24             ` Luck, Tony
2006-08-09 18:10               ` Jes Sorensen
2006-08-08 22:06     ` Jan Kara
2006-08-08 17:11 ` Stephen Smalley
2006-08-08 17:43   ` Alan Cox
2006-08-08 17:44     ` Stephen Smalley
2006-08-08 18:10       ` Alan Cox
2006-08-08 20:02     ` Stephen Smalley
2006-08-13 21:34 ` Jan Kara
  -- strict thread matches above, loose matches on Subject: below --
2006-08-09  4:01 Albert Cahalan

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