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From: Babu Moger <babu.moger@oracle.com>
To: David Miller <davem@davemloft.net>
Cc: peterz@infradead.org, mingo@redhat.com,
	akpm@linux-foundation.org, keescook@chromium.org,
	dan.j.williams@intel.com, aryabinin@virtuozzo.com, tj@kernel.org,
	sam@ravnborg.org, linux-kernel@vger.kernel.org,
	sparclinux@vger.kernel.org
Subject: Re: [PATCH v3 1/2] config: Adding the new config parameter CONFIG_PROVE_LOCKING_SMALL for sparc
Date: Wed, 5 Oct 2016 17:56:16 -0500	[thread overview]
Message-ID: <95f51c11-8b72-b7d3-03c4-942d42128a7a@oracle.com> (raw)
In-Reply-To: <20160930.011915.39029193323355575.davem@davemloft.net>

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.

  reply	other threads:[~2016-10-05 22:57 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-27 19:33 [PATCH v3 0/2] Ajust lockdep static allocations for sparc Babu Moger
2016-09-27 19:33 ` [PATCH v3 1/2] config: Adding the new config parameter CONFIG_PROVE_LOCKING_SMALL " Babu Moger
2016-09-28  8:39   ` Peter Zijlstra
2016-09-29 13:53     ` Babu Moger
2016-09-30  5:19       ` David Miller
2016-10-05 22:56         ` Babu Moger [this message]
2016-10-06  4:27           ` Sam Ravnborg
2016-09-28 20:51   ` Sam Ravnborg
2016-09-27 19:33 ` [PATCH v3 2/2] lockdep: Limit static allocations if PROVE_LOCKING_SMALL is defined Babu Moger
2016-09-28 20:51   ` Sam Ravnborg
2016-09-29 13:55   ` Babu Moger
2016-11-18 19:34 ` [PATCH v3 0/2] Ajust lockdep static allocations for sparc David Miller
2016-11-19 11:53   ` Peter Zijlstra
2016-11-21  7:17     ` Ingo Molnar
2016-11-29 11:14 ` Geert Uytterhoeven
2016-11-29 11:41   ` Peter Zijlstra
2016-11-29 11:52     ` Geert Uytterhoeven
2016-11-29 12:29       ` Peter Zijlstra
2016-11-29 12:35         ` Peter Zijlstra
2016-11-29 13:26         ` Geert Uytterhoeven
2016-11-29 13:31           ` Peter Zijlstra
2016-11-29 13:39             ` Geert Uytterhoeven
2016-11-29 13:50               ` Peter Zijlstra

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