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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <529E138C.4010503@hurleysoftware.com>
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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/