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Re: [PATCH v3 1/2] config: Adding the new config parameter CONFIG_PROVE_LOCKING_SMALL for sparc

From Babu Moger <babu.moger@oracle.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3 1/2] config: Adding the new config parameter CONFIG_PROVE_LOCKING_SMALL for sparc
Date 2016-10-06 01:00 +0200
Message-ID <sp3kl-8nD-9@gated-at.bofh.it> (permalink)
References <sm6oq-58G-19@gated-at.bofh.it> <smizg-4mV-23@gated-at.bofh.it> <smK2y-4NO-5@gated-at.bofh.it> <smYoN-5Xl-1@gated-at.bofh.it>
Organization Oracle Corporation

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Dave, Gentle reminder to review this patch. Thanks

On 9/30/2016 12:19 AM, David Miller wrote:
> From: Babu Moger <babu.moger@oracle.com>
> Date: Thu, 29 Sep 2016 08:53:24 -0500
>
>> On 9/28/2016 3:39 AM, Peter Zijlstra wrote:
>>> On Tue, Sep 27, 2016 at 12:33:27PM -0700, Babu Moger wrote:
>>>> This new config parameter limits the space used for "Lock debugging:
>>>> prove locking correctness" by about 4MB. The current sparc systems
>>>> have
>>>> the limitation of 32MB size for kernel size including .text, .data and
>>>> .bss sections. With PROVE_LOCKING feature, the kernel size could grow
>>>> beyond this limit and causing system boot-up issues. With this option,
>>>> kernel limits the size of the entries of lock_chains, stack_trace
>>>> etc.,
>>>> so that kernel fits in required size limit. This is not visible to
>>>> user
>>>> and only used for sparc.
>>>>
>>>> Signed-off-by: Babu Moger <babu.moger@oracle.com>
>>> You forgot to Cc Dave, and since you're touching sparc I need an Ack
>>> from him before I can queue this.
>> Dave, Can you please take a look at the patch. Please ack it if it
>> looks good.
> I am travelling and will look at it when I get a chance.

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Thread

[PATCH v3 1/2] config: Adding the new config parameter CONFIG_PROVE_LOCKING_SMALL for sparc Babu Moger <babu.moger@oracle.com> - 2016-09-27 21:40 +0200
  Re: [PATCH v3 1/2] config: Adding the new config parameter  CONFIG_PROVE_LOCKING_SMALL for sparc Peter Zijlstra <peterz@infradead.org> - 2016-09-28 10:40 +0200
    Re: [PATCH v3 1/2] config: Adding the new config parameter  CONFIG_PROVE_LOCKING_SMALL for sparc Babu Moger <babu.moger@oracle.com> - 2016-09-29 16:00 +0200
      Re: [PATCH v3 1/2] config: Adding the new config parameter  CONFIG_PROVE_LOCKING_SMALL for sparc David Miller <davem@davemloft.net> - 2016-09-30 07:20 +0200
        Re: [PATCH v3 1/2] config: Adding the new config parameter  CONFIG_PROVE_LOCKING_SMALL for sparc Babu Moger <babu.moger@oracle.com> - 2016-10-06 01:00 +0200
          Re: [PATCH v3 1/2] config: Adding the new config parameter  CONFIG_PROVE_LOCKING_SMALL for sparc Sam Ravnborg <sam@ravnborg.org> - 2016-10-06 06:30 +0200
  Re: [PATCH v3 1/2] config: Adding the new config parameter  CONFIG_PROVE_LOCKING_SMALL for sparc Sam Ravnborg <sam@ravnborg.org> - 2016-09-28 23:00 +0200

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