linux-kernel - Re: BUG: scheduling while atomic

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Date:	Mon, 6 Jul 2009 15:55:22 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	sergey.senozhatsky@...l.by, rabin@....in, mingo@...e.hu,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: BUG: scheduling while atomic

Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
> 
> Just delete the tty_unthrottle() from drivers/net/ppp/ppp_async.c - it
> never throttles the port so it never needs to unthrottle it (which is why
> it happened never to cause crashes before)

I'm not sure about that.  The PTY driver is always in the throttled
state, so tty_unthrottle isn't a noop.

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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