From: Arnd Bergmann <arnd@arndb.de>
To: Jiri Slaby <jslaby@suse.cz>
Cc: Andreas Bombe <aeb@debian.org>,
alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org,
greg@kroah.com, jirislaby@gmail.com
Subject: Re: tty_lock held during transmit wait in close: still unresolved
Date: Fri, 27 May 2011 15:53:17 +0200 [thread overview]
Message-ID: <201105271553.18132.arnd@arndb.de> (raw)
In-Reply-To: <1306498305-5486-1-git-send-email-jslaby@suse.cz>
On Friday 27 May 2011, Jiri Slaby wrote:
> Actually the best would be to get rid of tty_lock completely. Here I
> have a patch removing tty_lock from wait_until_sent path. I've been
> using a kernel with the patch applied for about month without any
> problems. But I have only 8250-based serial.
I agree that this would be the best option. The only reason I had
for holding the tty_lock in wait_until_sent is that it the BKL
has been held there tradiditonally. I could not find anything that
would break without holding it, but I also didn't look very hard.
Arnd
prev parent reply other threads:[~2011-05-27 13:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-25 23:59 tty_lock held during transmit wait in close: still unresolved Andreas Bombe
2011-05-26 7:11 ` Greg KH
2011-05-27 0:29 ` Andreas Bombe
2011-05-26 8:17 ` Alan Cox
2011-05-27 0:41 ` Andreas Bombe
2011-05-27 11:38 ` Arnd Bergmann
2011-05-27 12:11 ` Jiri Slaby
2011-05-27 13:53 ` Arnd Bergmann [this message]
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