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Re: [Xen-devel] [PATCH lp-metadata 2/3] livepatch: Handle arbitrary size names with the list operation


  • To: Julien Grall <julien.grall@xxxxxxx>, "Wieczorkiewicz, Pawel" <wipawel@xxxxxxxxx>, Lars Kurth <lars.kurth.xen@xxxxxxxxx>
  • From: George Dunlap <george.dunlap@xxxxxxxxxx>
  • Date: Thu, 15 Aug 2019 17:23:35 +0100
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  • Cc: "Tim \(Xen.org\)" <tim@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxx>, "Pohlack, Martin" <mpohlack@xxxxxxxxx>, Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Thu, 15 Aug 2019 16:23:51 +0000
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  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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On 8/15/19 5:00 PM, Julien Grall wrote:
> Hi George,
> 
> On 15/08/2019 16:48, George Dunlap wrote:
>> On 8/15/19 4:36 PM, Julien Grall wrote:
>>> Hi George,
>>>
>>> On 15/08/2019 16:32, George Dunlap wrote:
>>>> On 8/15/19 4:29 PM, Julien Grall wrote:
>>>>>
>>>>>
>>>>> On 15/08/2019 16:19, Wieczorkiewicz, Pawel wrote:
>>>>>> Hi Lars, Julien,
>>>>>
>>>>> Hi,
>>>>>
>>>>>> Thanks for the pointers, I will read them up and follow the
>>>>>> recommendations with my future contributions.
>>>>>> Sorry for the mess…
>>>>>>
>>>>>> But, let me ask first before reading the wikis, how do you prefer
>>>>>> submitting series that contain patches belonging to 2 distinct repos
>>>>>> (e.g. xen and livepatch-build-tools)?
>>>>>
>>>>> I can see two ways:
>>>>>
>>>>>     1) One series per project and mention in the cover letter that
>>>>> modifications are required in another project (with link/title).
>>>>>     2) Combine all the patches in one series and tag them differently.
>>>>> I.e
>>>>> [XEN] [LIVEPATCH].
>>>>>
>>>>> 1) is preferable if you have a lot of patches in each repo. 2) can be
>>>>> handy if you have only a couple of patches for one repo.
>>>>
>>>> 1 is also easier for automated tools (like patchew) to deal with.
>>>
>>> Out of interest, in general developer will tend to cross-post those
>>> patches. So in what way this would make it easier?
>>
>> If you have two separate series, then patchew will be able to handle one
>> and not handle the other.  If they're mixed in a single series, patchew
>> won't be able to handle it at all.  At the moment patchew doesn't do
>> anything but give you a nice mbox / git branch to pull; but eventually
>> the idea is that it will do some level of testing and give feedback
>> (patch does/n't apply, patch does/n't build, patch does/n't pass smoke
>> tests / &c).
> 
> Oh, so patchew will try to apply the series. If it does not fully apply,
> then it means the series does not target Xen, right?

Either that, or the series needs to be rebased.  I rather doubt the
patchew authors have spent a lot of time trying to distinguish the two. :-)

> I haven't used much patchew so far, but it looks like I should give a
> try when committing/reviewing series :).

Yes, I've found it quite useful.  It automatically adds acks and r-b's
as they're given, and also adds the message id into the commit message,
which could be useful.

One warning: Don't use patchew's branch if you think you might commit a
series, because the "committer" is always listed as patchew, rather than
yourself.  You can see a couple of places in recent history where I've
done this, not realizing; but I think it's something we want to avoid.
Use the mbox to apply the series instead.

 -George

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