Re: [Qemu-devel] [PATCH arm-devs v1 1/2] hw/timer: Introduce ARM A9 Global Timer.

[Peter Crosthwaite <peter.crosthwaite@xilinx.com>]

Hi Andreas,

On Wed, Jul 10, 2013 at 6:25 PM, Andreas Färber <afaerber@suse.de> wrote:
> Am 10.07.2013 09:41, schrieb Peter Maydell:
>> On 10 July 2013 06:08,  <peter.crosthwaite@xilinx.com> wrote:
>>> From: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
>>>
>>> The ARM A9 MPCore has a timer that is global to all CPUs in the mpcore.
>>> The timer is shared but each CPU has a private independent comparator
>>> and interrupt.
>>>
>>> Original version contributed by Francois LEGAL.
>>>
>>> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
>>> ---
>>> Francois, do you want to re-add your SOB? I have changed the device
>>> a lot since your V2.
>
> If you have a DCO for a patch you're reusing, you should never "drop" it
> from your patch. You can still leave the textual explanation there.
>
>> The usual way to indicate this (assuming Francois signed off the
>> original patchset) is something like:
>>
>>   Signed-off-by: Original Author
>>   [You: <short description of subsequent changes>]
>>   Signed-off-by: Your Name
>
> Add to that, the difference between From and SOB indicates that you did
> more than just cosmetic touches. For example, when I wrote from scratch
> a new SoC QOM object I used my From and the original author's Sob (to
> put the blame on me while recording the DCO), whereas when I purely
> updated code to MemoryRegions, Coding Style, QOM casts, etc. I use the
> original author's From and [AF: ...].

This is much more than a stylistic change, its very heavily refactored. I think
its better to --reset-author but ill bring the SOB accross. Whereas with P2
all I have done is split of the MPCore changes from original file verbatim, so
I guess that should be original author.

Regards,
Peter

>
> Andreas
>
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