linux-kernel - Re: [PATCH v3 2/8] lockdep: Introduce CROSSRELEASE_STACK

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Message-ID: <20171025010155.GO3310@X58A-UD3R>
Date:   Wed, 25 Oct 2017 10:01:55 +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 2/8] lockdep: Introduce CROSSRELEASE_STACK_TRACE and
 make it not unwind as default

On Tue, Oct 24, 2017 at 12:05:16PM +0200, Ingo Molnar wrote:
> 
> * Byungchul Park <byungchul.park@....com> wrote:
> 
> > Johan Hovold reported a performance regression by crossrelease like:
> 
> Pplease add Reported-by and Analyzed-by tags - you didn't even Cc: Johan!

Excuse me but, I am sure, whom is the issue analyzed by? Me?

> Thanks,
> 
> 	Ingo