linux-kernel - Re: [PATCH] percpu_counter: Remove debug_object

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Message-ID: <20180416214810.GF1911913@devbig577.frc2.facebook.com>
Date:   Mon, 16 Apr 2018 14:48:10 -0700
From:   Tejun Heo <tj@...nel.org>
To:     Gaurav Kohli <gkohli@...eaurora.org>
Cc:     gregkh@...uxfoundation.org, nborisov@...e.com,
        akpm@...ux-foundation.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] percpu_counter: Remove debug_object_free call twice

On Fri, Apr 13, 2018 at 03:05:03PM +0530, Gaurav Kohli wrote:
> During percpu_counter destroy, debug_object_free is calling
> twice which may create race. So removing once instance of call
> from debug_percpu_counter_deactivate.

I don't quite follow.  Can you please elaborate how it can be called
twice?

Thanks.

-- 
tejun