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Message-ID: <CAFTL4hyj43L1b_7B+BjSbdGAE4RNYqFBz01G+ifwKu=0k9v+2w@mail.gmail.com>
Date:	Wed, 26 Sep 2012 16:58:01 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Sasha Levin <levinsasha928@...il.com>
Cc:	paulmck@...ux.vnet.ibm.com,
	Michael Wang <wangyun@...ux.vnet.ibm.com>,
	Dave Jones <davej@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: RCU idle CPU detection is broken in linux-next

2012/9/25 Sasha Levin <levinsasha928@...il.com>:
> On 09/25/2012 02:06 PM, Frederic Weisbecker wrote:
>> Sasha, sorry to burden you with more testing request.
>> Could you please try out this new branch? It includes some fixes after Wu Fenguang and
>> Dan Carpenter reports (not related to your warnings though) and a patch on the top
>> of the pile to ensure I diagnosed well the problem, which return immediately from
>> rcu_user_*() APIs if we are in an interrupt.
>>
>> This way we'll have a clearer view. I also would like to know if there are other
>> problems with the rcu user mode.
>>
>> Thanks!
>
> Alrighty, I don't see any warnings anymore.
>
> I'll keep everything running just in case.

Cool! I'm pushing the fix tree to Paul then.

Thanks a lot for your testing!
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