Re: [Qemu-devel] [PATCH 6/7] vhost-user: add multiple queue support

[Eric Blake]

On 09/15/2015 08:06 PM, Yuanhan Liu wrote:

>> Up to here is mostly fine for the commit message.  Meanwhile...
>>
>>> v9: per suggested by Jason Wang, we could invoke qemu_chr_add_handlers()
>>>     once only, and invoke qemu_find_net_clients_except() at the handler
>>>     to gather all related ncs, for initiating all queues. Which addresses
>>>     a hidden bug in older verion in a more QEMU-like way.
>>>
>>> v8: set net->dev.vq_index correctly inside vhost_net_init() based on the
>>>     value from net->nc->queue_index.
>>
>> ...this chunk here is useful only on the mailing list, and not in git,
>> and therefore, should appear...
> 
> Sorry that I may disagree here.
> 
> First of all, it does no harm at all to include few old version
> descriptions. Instead, it may give some hints to the reader how
> the patch evolves. Meanwhile, you will find they are quite common
> in some well known open source projects, such as linux kernel:

There's nothing wrong with including patch changelog in your mail; in
fact it is encouraged by:
http://wiki.qemu.org/Contribute/SubmitAPatch

However, we DO request that you put it after ---, because we do NOT want
it in qemu.git log.

I don't care if the kernel has a slightly different policy, and is more
tolerant of changelogs leaked into the git log.


> You can find them at qemu project (though not that common), too:
> 
>     address@hidden ~/qemu]$ git log | grep '\<[vV][1-9][0-9]*:' | wc -l
>     390

They're not common for a reason - we've documented that we don't like
them in git.  And that's because we expect the --- separator between the
git message and the changelog.

> 
> So, if it's a qemu community specific culture, I could do what
> you suggested.

Yes, since it is documented at
http://wiki.qemu.org/Contribute/SubmitAPatch, it is qemu culture.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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