netdev - Re: [PATCH v2 2/2] r8169: Avoid pointer aliasing

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Message-ID: <20190204165902.GB24989@lunn.ch>
Date:   Mon, 4 Feb 2019 17:59:02 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Realtek linux nic maintainers <nic_swsd@...ltek.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] r8169: Avoid pointer aliasing

On Mon, Feb 04, 2019 at 05:42:13PM +0100, Thierry Reding wrote:
> 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>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew