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Date: Wed, 5 Mar 2014 17:49:42 +0100
From: Igor Mammedov <imammedo@redhat.com>
To: Rik van Riel <riel@redhat.com>
Cc: linux-kernel@vger.kernel.org, prarit@redhat.com, mgorman@suse.de,
        peterz@infradead.org, alex.shi@intel.com, hpa@zytor.com
Subject: Re: deadlock between cpu_stopper &
 native_flush_tlb_others()->smp_call_function_many()
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On Mon, 03 Mar 2014 11:45:04 -0500
Rik van Riel <riel@redhat.com> wrote:

> On 03/03/2014 11:43 AM, Igor Mammedov wrote:
> > It looks like I hit a deadlock between smp_call_function_many() and
> > cpu_stopper threads.
> 
> > Are there any suggestions on how to fix this nicely?
> 
> This patch should fix it:
> 
> https://lkml.org/lkml/2014/2/28/194

I've just tried it and it doesn't fix issue.