[lttng-dev] lttng-modules build failure for 3.12-rc6

[Otavio Salvador]

On Thu, Oct 31, 2013 at 12:38 PM, Mathieu Desnoyers
<mathieu.desnoyers at efficios.com> wrote:
> ----- Original Message -----
>> From: "Otavio Salvador" <otavio at ossystems.com.br>
>> To: "Mathieu Desnoyers" <mathieu.desnoyers at efficios.com>
>> Cc: "lttng-dev" <lttng-dev at lists.lttng.org>
>> Sent: Thursday, October 31, 2013 10:30:24 AM
>> Subject: Re: lttng-modules build failure for 3.12-rc6
>>
>> On Thu, Oct 31, 2013 at 12:26 PM, Mathieu Desnoyers
>> <mathieu.desnoyers at efficios.com> wrote:
>> > ----- Original Message -----
>> >> From: "Otavio Salvador" <otavio at ossystems.com.br>
>> >> To: "lttng-dev" <lttng-dev at lists.lttng.org>
>> >> Cc: "Mathieu Desnoyers" <mathieu.desnoyers at efficios.com>
>> >> Sent: Monday, October 28, 2013 9:47:01 AM
>> >> Subject: lttng-modules build failure for 3.12-rc6
>> >>
>> >> Hello,
>> >>
>> >> Part of build issues are now fixed in master (thanks Mathieu for
>> >> applying the need changes) but we're still not good:
>> >
>> > All fixed by this string of commits in lttng-modules master:
>> ...
>> >
>> > Thanks for reporting these issues. 3.12 seems to build fine now.
>>
>> Great; can you backport those to stable-2.3? I'd like to send the
>> update for Yocto including these changes and fix it for us directly
>> there.
>
> Strictly speaking, supporting a new kernel can be seen as a new feature. stable-2.3 was released for 3.11. Moreover, 3.12 kernel is still in rc stage, so things can still change (and even be reverted, this has happened in the past).
>
> Unfortunately, we don't add features in the stable branches, only bug fixes. But keep in mind that 2.4 should come within the coming weeks.

Humm in this case stable-2.3 should had a #warning saying it support
kernels up to 3.11 only. As it does not state it somewhere it seems
like a fix for me.

I will end doing the backport in  this case, but it is something which
could be fixed for 2.4 than and include such warning.

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750