From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Russell King <rmk+lkml@arm.linux.org.uk>
Cc: "Andrew Morton" <akpm@osdl.org>,
"Martin Kögler" <e9925248@student.tuwien.ac.at>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: Deadlock in serial driver 2.6.x
Date: Mon, 31 Jan 2005 07:37:00 +0000 [thread overview]
Message-ID: <1107157019.14847.64.camel@localhost.localdomain> (raw)
In-Reply-To: <20050130164840.D25000@flint.arm.linux.org.uk>
On Sul, 2005-01-30 at 16:48, Russell King wrote:
> Unsolvable as the tty layer currently stands. tty needs to not call back
> into serial drivers when they supply read characters from their interrupt
> functions.
The tty layer cannot fix this for now, and I don't intend to fix it. Fix
the serial driver: the fix is quite simple since you can keep a field in
the driver for now to detect recursive calling into the echo case and
don't relock.
Alan
next prev parent reply other threads:[~2005-01-31 8:42 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-26 13:20 Deadlock in serial driver 2.6.x Martin Kögler
2005-01-27 7:13 ` Andrew Morton
2005-01-30 15:39 ` Alan Cox
2005-01-30 16:48 ` Russell King
2005-01-31 7:37 ` Alan Cox [this message]
2005-01-31 8:48 ` Andrew Morton
2005-02-03 10:02 ` Alan Cox
2005-02-03 18:21 ` Andrew Morton
2005-02-04 11:07 ` Martin Kögler
2005-02-04 13:50 ` Paul Fulghum
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