From: Oleg Nesterov <oleg@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>,
Jeremy Fitzhardinge <jeremy@goop.org>,
"Paul E.McKenney" <paulmck@linux.vnet.ibm.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Waiman Long <Waiman.Long@hp.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/1] x86, ticketlock: spin_unlock_wait() can livelock
Date: Mon, 1 Dec 2014 23:09:29 +0100 [thread overview]
Message-ID: <20141201220929.GA7305@redhat.com> (raw)
In-Reply-To: <CA+55aFz6a99n_bGGi0CrOeWA3KRVdAJtPiF_3iP1aVx_wE+mMA@mail.gmail.com>
On 12/01, Linus Torvalds wrote:
>
> Can you point to the report that you
> think this might be the cause of?
Please look at https://bugzilla.redhat.com/show_bug.cgi?id=1128995
but let me repeat, so far this is just my speculation. Plus this is
the old rhel6 kernel.
Oleg.
next prev parent reply other threads:[~2014-12-01 22:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-01 21:33 [PATCH 0/1] x86, ticketlock: spin_unlock_wait() can livelock Oleg Nesterov
2014-12-01 21:34 ` [PATCH 1/1] " Oleg Nesterov
2014-12-01 21:49 ` Linus Torvalds
2014-12-01 22:09 ` Oleg Nesterov [this message]
2014-12-01 22:23 ` Linus Torvalds
2014-12-09 10:17 ` [tip:core/locking] x86/ticketlock: Fix spin_unlock_wait() livelock tip-bot for Oleg Nesterov
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