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Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit

From Tim Chen <tim.c.chen@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit
Date 2017-08-29 19:00 +0200
Message-ID <ujS1P-54r-3@gated-at.bofh.it> (permalink)
References (9 earlier) <ujvoD-7Xb-33@gated-at.bofh.it> <ujOhC-2Kk-39@gated-at.bofh.it> <ujRfs-4Ns-21@gated-at.bofh.it> <ujRp8-4QC-7@gated-at.bofh.it> <ujRyO-4TP-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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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Thread

[PATCH 1/2 v2] sched/wait: Break up long wake list walk Tim Chen <tim.c.chen@linux.intel.com> - 2017-08-25 18:40 +0200
  [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Tim Chen <tim.c.chen@linux.intel.com> - 2017-08-25 18:40 +0200
    Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-25 22:00 +0200
      Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in  wake_up_page_bit Tim Chen <tim.c.chen@linux.intel.com> - 2017-08-26 00:20 +0200
        Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-26 01:10 +0200
          Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-26 02:40 +0200
            Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-26 05:00 +0200
              Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-26 20:20 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-27 23:50 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-27 23:50 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-28 01:20 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in  wake_up_page_bit Nicholas Piggin <npiggin@gmail.com> - 2017-08-28 03:20 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in  wake_up_page_bit Nicholas Piggin <npiggin@gmail.com> - 2017-08-28 03:40 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-28 07:20 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in  wake_up_page_bit Nicholas Piggin <npiggin@gmail.com> - 2017-08-28 09:20 +0200
                RE: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in  wake_up_page_bit "Liang, Kan" <kan.liang@intel.com> - 2017-08-28 17:00 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-28 18:50 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in  wake_up_page_bit Tim Chen <tim.c.chen@linux.intel.com> - 2017-08-28 22:10 +0200
                RE: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in  wake_up_page_bit "Liang, Kan" <kan.liang@intel.com> - 2017-08-29 15:00 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-29 18:10 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in  wake_up_page_bit Tim Chen <tim.c.chen@linux.intel.com> - 2017-08-29 18:20 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-29 18:30 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in  wake_up_page_bit Tim Chen <tim.c.chen@linux.intel.com> - 2017-08-29 19:00 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in  wake_up_page_bit Tim Chen <tim.c.chen@linux.intel.com> - 2017-08-29 18:20 +0200
                Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-29 18:30 +0200
  Re: [PATCH 1/2 v2] sched/wait: Break up long wake list walk Christopher Lameter <cl@linux.com> - 2017-08-25 19:50 +0200

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