linux-kernel - Re: [PATCH v3 4/8] lockdep: Add a kernel parameter, crossrelease

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Message-ID: <20171024234538.GM3310@X58A-UD3R>
Date:   Wed, 25 Oct 2017 08:45:38 +0900
From:   Byungchul Park <byungchul.park@....com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     peterz@...radead.org, axboe@...nel.dk, tglx@...utronix.de,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org, tj@...nel.org,
        johannes.berg@...el.com, oleg@...hat.com, amir73il@...il.com,
        david@...morbit.com, darrick.wong@...cle.com,
        linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-block@...r.kernel.org, hch@...radead.org, idryomov@...il.com,
        kernel-team@....com
Subject: Re: [PATCH v3 4/8] lockdep: Add a kernel parameter,
 crossrelease_fullstack

On Tue, Oct 24, 2017 at 12:08:58PM +0200, Ingo Molnar wrote:
> This is really unnecessarily complex.

I mis-understood your suggestion. I will change it.

> The proper logic is to introduce the crossrelease_fullstack boot parameter, and to 
> also have a Kconfig option that enables it: 
> 
> 	CONFIG_BOOTPARAM_LOCKDEP_CROSSRELEASE_FULLSTACK=y
> 
> No #ifdefs please - just an "if ()" branch dependent on the current value of 
> crossrelease_fullstack.

Ok. I will.

Thanks,
Byungchul

> Thanks,
> 
> 	Ingo