From: David Miller <davem@davemloft.net>
To: shemminger@vyatta.com
Cc: paulmck@linux.vnet.ibm.com, mroos@linux.ee,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: suspicious RCU usage warnings in 3.3.0
Date: Wed, 11 Apr 2012 20:18:54 -0400 (EDT) [thread overview]
Message-ID: <20120411.201854.1070083308359208025.davem@davemloft.net> (raw)
In-Reply-To: <20120411171004.016ddd95@nehalam.linuxnetplumber.net>
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Wed, 11 Apr 2012 17:10:04 -0700
> On Wed, 11 Apr 2012 16:08:37 -0700
> "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:
>
>> Hmmm... What CPU family is this running on? From the look of the
>> stack, it is sneaking out of idle into softirq without telling RCU.
>> This would cause RCU to complain bitterly about being invoked from
>> the idle loop -- and RCU ignores CPUs in the idle loop.
>>
>> Thanx, Paul
>
> Sun4... Ping David.
So is there anything specific I need to do in the sparc64
idle loop?
next prev parent reply other threads:[~2012-04-12 0:18 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-28 8:45 suspicious RCU usage warnings in 3.3.0 Meelis Roos
2012-03-28 21:45 ` David Miller
2012-04-11 15:08 ` Meelis Roos
2012-04-11 23:08 ` Paul E. McKenney
2012-04-12 0:10 ` Stephen Hemminger
2012-04-12 0:18 ` David Miller [this message]
2012-04-12 0:45 ` Paul E. McKenney
2012-04-12 1:03 ` David Miller
2012-04-12 1:53 ` Paul E. McKenney
2012-04-12 1:08 ` David Miller
2012-04-12 4:54 ` Paul E. McKenney
2012-04-13 11:55 ` mroos
2012-04-13 13:35 ` Paul E. McKenney
2012-04-13 14:55 ` David Miller
2012-04-13 16:30 ` Paul E. McKenney
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