linux-kernel - Convert termios to RCU (was Re: [PATCH tty-next 0/4] tty: Fix ^C echo)

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Date:	Tue, 03 Dec 2013 12:23:24 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org
Subject: Convert termios to RCU (was Re: [PATCH tty-next 0/4] tty: Fix ^C
 echo)

On 12/03/2013 09:20 AM, One Thousand Gnomes wrote:
> As a PS: I think the termios is probably an RCU problem. The semaphore
> seemed to make sense when I did it, but in hindsight I think I made the
> wrong call.

Alan,

Converting safe termios access to RCU is a really good idea.

Massive changeset though, if only because tty->termios would have to be
a struct termios __rcu *.

Regards,
Peter Hurley

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