linux-kernel - Re: [PATCH v3 2/2] r8169: Avoid pointer aliasing

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Message-Id: <20190206.134049.2075883825221593917.davem@davemloft.net>
Date:   Wed, 06 Feb 2019 13:40:49 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     thierry.reding@...il.com
Cc:     hkallweit1@...il.com, andrew@...n.ch, joe@...ches.com,
        eric.dumazet@...il.com, pauldzim@...il.com, mkubecek@...e.cz,
        nic_swsd@...ltek.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] r8169: Avoid pointer aliasing

From: Thierry Reding <thierry.reding@...il.com>
Date: Wed,  6 Feb 2019 13:30:18 +0100

> From: Thierry Reding <treding@...dia.com>
> 
> Read MAC address 32-bit at a time and manually extract the individual
> bytes. This avoids pointer aliasing and gives the compiler a better
> chance of optimizing the operation.
> 
> Suggested-by: Andrew Lunn <andrew@...n.ch>
> Signed-off-by: Thierry Reding <treding@...dia.com>

Applied.