From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael wang <wangyun@linux.vnet.ibm.com>
Subject: Re: [BUG] sched: tip/master show soft lockup while running multiple
 VM
Date: Thu, 23 Jan 2014 10:54:48 +0800
Message-ID: <52E08478.2080405@linux.vnet.ibm.com>
References: <52DF8101.6020903@linux.vnet.ibm.com> <20140122123643.GO31570@twins.programming.kicks-ass.net>
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Cc: Ingo Molnar <mingo@redhat.com>, Gleb Natapov <gleb@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Fengguang Wu <fengguang.wu@intel.com>, kvm@vger.kernel.org,
	LKML <linux-kernel@vger.kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <20140122123643.GO31570@twins.programming.kicks-ass.net>
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List-Id: kvm.vger.kernel.org

On 01/22/2014 08:36 PM, Peter Zijlstra wrote:
> On Wed, Jan 22, 2014 at 04:27:45PM +0800, Michael wang wrote:
>> # CONFIG_PREEMPT_NONE is not set
>> CONFIG_PREEMPT_VOLUNTARY=y
>> # CONFIG_PREEMPT is not set
> 
> Could you try the patch here:
> 
>   lkml.kernel.org/r/20140122102435.GH31570@twins.programming.kicks-ass.net
> 
> I suspect its the same issue.

Yup, it works.

Regards,
Michael Wang

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