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Subject: Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in
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From: Tim Chen <tim.c.chen@linux.intel.com>
Message-ID: <aa4f7099-1eb9-17f8-973d-8a10a7db1d94@linux.intel.com>
Date: Tue, 29 Aug 2017 09:57:24 -0700
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To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Liang, Kan" <kan.liang@intel.com>, Mel Gorman <mgorman@techsingularity.net>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@elte.hu>, Andi Kleen <ak@linux.intel.com>, Andrew Morton <akpm@linux-foundation.org>, Johannes Weiner <hannes@cmpxchg.org>, Jan Kara <jack@suse.cz>, Christopher Lameter <cl@linux.com>, "Eric W . Biederman" <ebiederm@xmission.com>, Davidlohr Bueso <dave@stgolabs.net>, linux-mm <linux-mm@kvack.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>

On 08/29/2017 09:24 AM, Linus Torvalds wrote:
> On Tue, Aug 29, 2017 at 9:13 AM, Tim Chen <tim.c.chen@linux.intel.com> wrote:
>>
>> It is affecting not a production use, but the customer's acceptance
>> test for their systems.  So I suspect it is a stress test.
> 
> Can you gently poke them and ask if they might make theie stress test
> code available?
> 
> Tell them that we have a fix, but right now it's delayed into 4.14
> because we have no visibility into what it is that it actually fixes,
> and whether it's all that critical or just some microbenchmark.
> 

Thanks. We'll do that.

Tim

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