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

From: David Miller
Date: Fri Sep 30 2016 - 01:19:42 EST

From: Babu Moger <babu.moger@xxxxxxxxxx>
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@xxxxxxxxxx>
>> 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.