From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-kernel <linux-kernel@vger.kernel.org>,
Prarit Bhargava <prarit@redhat.com>
Subject: Re: [RFC][PATCH] ->signal->tty locking
Date: Tue, 17 Oct 2006 14:29:40 +0100 [thread overview]
Message-ID: <1161091781.24237.161.camel@localhost.localdomain> (raw)
In-Reply-To: <20061017123307.GA209@oleg>
Ar Maw, 2006-10-17 am 16:33 +0400, ysgrifennodd Oleg Nesterov:
> I sent a patch,
> http://marc.theaimsgroup.com/?l=linux-kernel&m=114268787415193
>
> but it was ignored. Probably I should re-send it.
Definitely - we still see reports of tty slab scribbles
> > Right, use tty_mutex when using the tty, use ->sighand when changing
> > signal->tty.
>
> I think that things like do_task_stat()/do_acct_process() do not need
> global tty_mutex, they can use ->siglock.
Please keep the tty_mutex as it will protect against other stuff later.
Once tty is a bit saner then someone brave can refcount it properly and
that'll make it much prettier.
next prev parent reply other threads:[~2006-10-17 13:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-16 9:53 [RFC][PATCH] ->signal->tty locking Peter Zijlstra
2006-10-16 13:39 ` Prarit Bhargava
2006-10-17 8:10 ` Oleg Nesterov
2006-10-17 10:17 ` Peter Zijlstra
2006-10-17 12:33 ` Oleg Nesterov
2006-10-17 13:00 ` Peter Zijlstra
2006-10-17 14:08 ` Alan Cox
2006-10-18 16:55 ` Oleg Nesterov
2006-10-17 13:29 ` Alan Cox [this message]
2006-10-18 17:21 ` Oleg Nesterov
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