From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: David Miller <davem@davemloft.net>
Cc: mroos@linux.ee, linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org
Subject: Re: RCU detected CPU 0 stall after panic on sparc64
Date: Mon, 14 Dec 2009 23:15:23 +0000 [thread overview]
Message-ID: <20091214231523.GH6679@linux.vnet.ibm.com> (raw)
In-Reply-To: <20091214.130201.144162604.davem@davemloft.net>
On Mon, Dec 14, 2009 at 01:02:01PM -0800, David Miller wrote:
> From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
> Date: Mon, 14 Dec 2009 12:25:56 -0800
>
> > Hmmm... At first glance, it looks like RCU should put a notifier onto
> > the panic_notifier_list to disable this check. Or is there some global
> > variable that I can check?
>
> Probably the notifier works just fine.
OK, will take that approach.
Thanx, Paul
WARNING: multiple messages have this Message-ID (diff)
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: David Miller <davem@davemloft.net>
Cc: mroos@linux.ee, linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org
Subject: Re: RCU detected CPU 0 stall after panic on sparc64
Date: Mon, 14 Dec 2009 15:15:23 -0800 [thread overview]
Message-ID: <20091214231523.GH6679@linux.vnet.ibm.com> (raw)
In-Reply-To: <20091214.130201.144162604.davem@davemloft.net>
On Mon, Dec 14, 2009 at 01:02:01PM -0800, David Miller wrote:
> From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
> Date: Mon, 14 Dec 2009 12:25:56 -0800
>
> > Hmmm... At first glance, it looks like RCU should put a notifier onto
> > the panic_notifier_list to disable this check. Or is there some global
> > variable that I can check?
>
> Probably the notifier works just fine.
OK, will take that approach.
Thanx, Paul
next prev parent reply other threads:[~2009-12-14 23:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-12 8:54 RCU detected CPU 0 stall after panic on sparc64 Meelis Roos
2009-12-12 8:54 ` Meelis Roos
2009-12-12 9:40 ` David Miller
2009-12-12 9:40 ` David Miller
2009-12-14 20:25 ` Paul E. McKenney
2009-12-14 20:25 ` Paul E. McKenney
2009-12-14 21:02 ` David Miller
2009-12-14 21:02 ` David Miller
2009-12-14 23:15 ` Paul E. McKenney [this message]
2009-12-14 23:15 ` Paul E. McKenney
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