[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20160930.011915.39029193323355575.davem@davemloft.net>
Date: Fri, 30 Sep 2016 01:19:15 -0400 (EDT)
From: David Miller <davem@...emloft.net>
To: babu.moger@...cle.com
Cc: peterz@...radead.org, mingo@...hat.com, akpm@...ux-foundation.org,
keescook@...omium.org, dan.j.williams@...el.com,
aryabinin@...tuozzo.com, tj@...nel.org, sam@...nborg.org,
linux-kernel@...r.kernel.org, sparclinux@...r.kernel.org
Subject: Re: [PATCH v3 1/2] config: Adding the new config parameter
CONFIG_PROVE_LOCKING_SMALL for sparc
From: Babu Moger <babu.moger@...cle.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@...cle.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.
Powered by blists - more mailing lists