Re: [PATCH] tty: avoid recursive BTM in pty_close
[Posted June 23, 2010 by corbet]
| From: |
| Alan Cox <alan-AT-lxorguk.ukuu.org.uk> |
| To: |
| Arnd Bergmann <arnd-AT-arndb.de> |
| Subject: |
| Re: [PATCH] tty: avoid recursive BTM in pty_close |
| Date: |
| Fri, 18 Jun 2010 17:21:21 +0100 |
| Cc: |
| Frederic Weisbecker <fweisbec-AT-gmail.com>,
Tony Luck <tony.luck-AT-intel.com>, linux-kernel-AT-vger.kernel.org,
Greg KH <gregkh-AT-suse.de>, Thomas Gleixner <tglx-AT-linutronix.de>,
Andrew Morton <akpm-AT-linux-foundation.org>,
John Kacur <jkacur-AT-redhat.com>,
Al Viro <viro-AT-zeniv.linux.org.uk>, Ingo Molnar <mingo-AT-elte.hu> |
| Archive-link: |
| Article, Thread
|
> I'd like to get Alan's opinion on whether he considers the change in
> pty.c safe.
I considered it a while ago when trying to work out removing the BKL from
this path. After much head banging and an overwhelming desire to go and
get drunk instead I concluded it wasn't possible to tell by analysis.
So I ack this patch - it's the only way to find out 8)
Alan
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