On Wed, 2015-05-20 at 10:30 -0500, Larry Finger wrote:
> On 05/20/2015 03:39 AM, Grumbach, Emmanuel wrote:
> > On Wed, 2015-05-20 at 10:34 +0200, Johannes Berg wrote:
> >> On Wed, 2015-05-20 at 08:31 +0000, Grumbach, Emmanuel wrote:
> >>> On Wed, 2015-05-20 at 10:27 +0200, Johannes Berg wrote:
> >>>> On Tue, 2015-05-19 at 16:42 +0300, Emmanuel Grumbach wrote:
> >>>>
> >>>>> +#if (LINUX_VERSION_CODE == KERNEL_VERSION(3,13,11) && UTS_UBUNTU_RELEASE_ABI < 24)
> >>>>
> >>>> Now that I look at this again, I'm confused - shouldn't this whole thing
> >>>> have a ! in front?
> >>>>
> >>>
> >>> why?
> >>> I need this definition only for Ubuntu releases that are below 24.
> >>> Canonical ported that starting 24.
> >>> What am I missing?
> >>
> >> But every mainline kernel, say 3.10, also needs it. Also Ubuntu with
> >> 3.10, for example.
> >>
> >
> > You are right obviously.
>
> What happens if the user is not running a Ubuntu kernel and
> UTS_UBUNTU_RELEASE_ABI is undefined?
>
then it gets defined to 0.
> I am really pissed off about Ubuntu's backporting API changes so that testing
> LINUX_VERSION_CODE is no longer sufficient. In fact when someone complains the
> one of the out-of-kernel drivers that I maintain does not build with kernel X.Y,
> I check that version out in mainline, build the driver to make sure the problem
> is not mine, and then tell them to complain to their vendor. I no longer fix
> those problems. I think RHEL is also doing the same kind of thing - at least I
> did get one complaint about a build problem that seemed to be due to an API
> backport. Where do we stop?
Good question... I don't know. OTOH, distros don't really support
backport. You can't really blame them if they break backport, why should
they care?
I agree. It is annoying. We can try to convince them, but I don't think
that saying "you are all wrong" is the right path. Maybe we should try
to have them more involved in backport to fix it themselves?
And explain to them how important it is to be able to run backport on
top of all their shipped kernels?
>
> Larry
>
>
>
>
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