linux-kernel - Re: [patch] BFS 420: a tiny step forward

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Date:	Sun, 17 Jun 2012 20:32:34 +0800
From:	Hillf Danton <dhillf@...il.com>
To:	Emmanuel Benisty <benisty.e@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Manuel Krause <manuelkrause@...nline.de>
Subject: Re: [patch] BFS 420: a tiny step forward

On Sun, Jun 17, 2012 at 6:46 PM, Emmanuel Benisty <benisty.e@...il.com> wrote:
> Hi Hillf,
>
> On Thu, Jun 7, 2012 at 8:05 PM, Hillf Danton <dhillf@...il.com> wrote:
>> On Thu, Jun 7, 2012 at 8:37 PM, Hillf Danton <dhillf@...il.com> wrote:
>>> Hi Emmanuel
>>>
>>> On Wed, Jun 6, 2012 at 11:51 PM, Emmanuel Benisty <benisty.e@...il.com> wrote:
>>>>
>>>> Unfortunately, the issue is still there.
>>>>
>>> Hang at same place?
>>>
>> And try to revert handling CPU_ONLINE, please.
>>
>>
>> --- a/kernel/sched/bfs.c        Sat Jun  2 17:30:28 2012
>> +++ b/kernel/sched/bfs.c        Thu Jun  7 20:58:36 2012
>> @@ -5352,7 +5352,7 @@ migration_call(struct notifier_block *nf
>>                /* Update our root-domain */
>>                grq_lock_irqsave(&flags);
>>                if (rq->rd) {
>> -                       BUG_ON(cpumask_test_cpu(cpu, rq->rd->span));
>> +                       BUG_ON(!cpumask_test_cpu(cpu, rq->rd->span));
>>
>>                        set_rq_online(rq);
>>                }
>> --
>
> Sorry for the late reply. This patch did solve the issue, thanks.
>
Thank you, Emmanuel.
It is good news before 421-1 is released next week:)

		Hillf
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