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Date: Mon, 14 Mar 2005 21:14:21 -0800
From: Andrew Morton <akpm@osdl.org>
To: moreau francis <francis_moreau2000@yahoo.fr>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [TTY] overrun notify issue during 5 minutes after booting
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moreau francis <francis_moreau2000@yahoo.fr> wrote:
>
> By the way, is it safe in "n_tty_receive_overrun" to
>  call
>  "printk" ? because the former can be called from IT
>  context...

yup.  printk() is safe from all contexts except NMI.