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From: Ingo Molnar <mingo@elte.hu>
To: john stultz <johnstul@us.ibm.com>
Cc: lkml <linux-kernel@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Steven Rostedt <rostedt@goodmis.org>,
	Sripathi Kodi <sripathik@in.ibm.com>,
	Oleg Nesterov <oleg@tv-sign.ru>,
	Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Subject: Re: [BUG] futex_unlock_pi() hurts my brain and may cause application deadlock
Date: Thu, 31 May 2007 16:55:55 +0200	[thread overview]
Message-ID: <20070531145555.GA24218@elte.hu> (raw)
In-Reply-To: <1180623027.17878.2.camel@localhost>


* john stultz <johnstul@us.ibm.com> wrote:

> > > --- a/kernel/futex.c
> > > +++ b/kernel/futex.c
> > > @@ -2011,6 +2011,7 @@ pi_faulted:
> > >  					 attempt);
> > >  		if (ret)
> > >  			goto out_unlock;
> > > +		uval = 0;
> > >  		goto retry_locked;
> > 
> > this looks good to me. Oleg has posted a few more fixes as well - 
> > have you tried those too?
> 
> Do you have a URL or subject line for the discussion? I'll take a look 
> and give them a whirl.

i meant to say Alexey, not Oleg :-) Here's the thread:

   http://lkml.org/lkml/2007/5/7/129

i've Cc:-ed Alexey too.

	Ingo

  reply	other threads:[~2007-05-31 14:56 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-31  0:49 [BUG] futex_unlock_pi() hurts my brain and may cause application deadlock john stultz
2007-05-31  1:29 ` Steven Rostedt
2007-05-31 14:53   ` Ulrich Drepper
2007-05-31  2:52 ` [PATCH RT] fix faulting bomb in futex_unlock_pi64 Steven Rostedt
2007-05-31  3:18   ` Steven Rostedt
2007-05-31 17:20   ` Ulrich Drepper
2007-05-31 14:24 ` [BUG] futex_unlock_pi() hurts my brain and may cause application deadlock Ingo Molnar
2007-05-31 14:50   ` john stultz
2007-05-31 14:55     ` Ingo Molnar [this message]
2007-05-31 16:48       ` john stultz
2007-07-31 23:53 ` [RESEND] " john stultz
2007-08-01  0:00   ` Steven Rostedt
2007-08-01  1:41   ` David Miller
2007-08-06  7:20   ` Ingo Molnar

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