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Date:   Sat, 30 May 2020 04:20:22 +0200
From:   Andrew Lunn <>
To:     Vadym Kochan <>
Cc:     David Miller <>,,,,,,,,,,,,
Subject: Re: [net-next 1/6] net: marvell: prestera: Add driver for Prestera
 family ASIC devices

On Sat, May 30, 2020 at 03:46:22AM +0300, Vadym Kochan wrote:
> Hi David,
> On Fri, May 29, 2020 at 05:18:39PM -0700, David Miller wrote:
> > 
> > Please remove all of the __packed attributes.
> > 
> > I looked at your data structures and all of them use fixed sized types
> > and are multiples of 4 so the __packed attribute is completely
> > unnecessary.
> > 
> > The alignment attribute is also unnecessary so please remove that too.
> Some of the fields are u8, so I assume there might be holes added by
> the compiler ? Also these attributes guarantee some ABI compatibility
> with FW side, I will try to remove them and check but it sounds for me a bit
> risky.

Hi Vadym

You might want to play with pahole(1).


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