linux-kernel - Re: RCU idle CPU detection is broken in linux-next

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Date:	Sat, 22 Sep 2012 19:50:29 +0200
From:	Sasha Levin <levinsasha928@...il.com>
To:	paulmck@...ux.vnet.ibm.com
CC:	Michael Wang <wangyun@...ux.vnet.ibm.com>,
	Dave Jones <davej@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	fweisbec@...il.com
Subject: Re: RCU idle CPU detection is broken in linux-next

On 09/22/2012 05:56 PM, Paul E. McKenney wrote:
> And now the prime suspect is the new CONFIG_RCU_USER_QS=y.  Do these
> warnings ever show up with CONFIG_RCU_USER_QS=n?

It seems that disabling that does make the warnings go away.

I'll keep the tests running in case it just reduces the chances or something
like that.


Thanks,
Sasha
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