lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Thu, 28 Feb 2019 11:47:07 -0800 (PST)
From:   David Miller <>
Subject: Re: [PATCH v3] net: e1000e: add MAC address kernel cmd line

From: Andrew Lunn <>
Date: Thu, 28 Feb 2019 20:29:58 +0100

> On Thu, Feb 28, 2019 at 05:13:27PM +0000, Flavio Suligoi wrote:
>> > > Hi Andrew,
>> > >
>> > > we produce a lot of boards and we have to change the MAC address,
>> > > from u-boot, for every board.  So I must save in the u-boot
>> > > environment (SPI NOR flash) the MAC address for every board.
>> > 
>> > Hi Flavio
>> > 
>> > u-boot should be able to write the MAC address in the correct part of
>> > device tree. Boards have been doing this a long time.
>> > 
>> > Module parameters are considered bad. You should only do it if you
>> > have no other option. Here you do have another options, so it is going
>> > to be a hard sell getting David to access your patch.
>> > 
>> > You will have more success by adding a call to
>> > eth_platform_get_mac_address() to the e1000e driver.
>> You have right, and thanks for your suggestions, 
>> but with a kernel parameter I can use the same method
>> for any board where the NVM is missed, independently of any architecture
>> (with or without the device tree presence - ARM or x86 or others).
> Hi Flavio
> Well, lets wait for David to say what he thinks about the module
> parameter.

I already rejected this, no way... Drivers that already have the
unacceptable module parameter are no an argument for spreading this
mistake further.

Powered by blists - more mailing lists