linux-kernel - Re: [PATCH net-next] net: dsa: mv88e6xxx: introduce helpers for handling chip->reg

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Message-Id: <20190623.112537.2211302797354603091.davem@davemloft.net>
Date:   Sun, 23 Jun 2019 11:25:37 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     rasmus.villemoes@...vas.dk
Cc:     andrew@...n.ch, vivien.didelot@...il.com, f.fainelli@...il.com,
        Rasmus.Villemoes@...vas.se, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: dsa: mv88e6xxx: introduce helpers for
 handling chip->reg_lock

From: Rasmus Villemoes <rasmus.villemoes@...vas.dk>
Date: Thu, 20 Jun 2019 13:50:42 +0000

> This is a no-op that simply moves all locking and unlocking of
> ->reg_lock into trivial helpers. I did that to be able to easily add
> some ad hoc instrumentation to those helpers to get some information
> on contention and hold times of the mutex. Perhaps others want to do
> something similar at some point, so this frees them from doing the
> 'sed -i' yoga, and have a much smaller 'git diff' while fiddling.
> 
> Signed-off-by: Rasmus Villemoes <rasmus.villemoes@...vas.dk>

Applied.