[CentOS-devel] Query regarding contributing RPMs to CentOS Repo

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Taking this opportunity to thank you all at ElRepo for a great job. :-)

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----- Original Message -----
> From: "Akemi Yagi" <amyagi at gmail.com>
> To: "The CentOS developers mailing list." <centos-devel at centos.org>
> Sent: Saturday, 14 November, 2015 16:57:53
> Subject: Re: [CentOS-devel] Query regarding contributing RPMs to CentOS Repo

> On Fri, Nov 13, 2015 at 4:37 AM, Karanbir Singh <mail-lists at karan.org> wrote:
> 
>> The key to working out a plan for Uday's kernel is going to be driven by
>> how he intends to support it and do maintenance work in that space.
> 
> Taking this opportunity, I'd like to share my recent experience that
> might show what it's like to maintain non-distro kernels.
> 
> For those who are not familiar, ELRepo (Alan Bartlett) maintains the
> latest mainline kernel for RHEL/CentOS/Scientific Linux as 'kernel-ml'
> [1]. When the first release candidate for kernel 4.2 (4.2-rc1) came
> out, Alan immediately noticed it did not build under RHEL 6. Long
> story short, a piece of kernel code in the netfilter section was not
> compatible with gcc 4.4.x (used in EL6) [2]. Apparently, kernel
> developers did not test-build against "older" versions of gcc.
> 
> Despite the fact the patch was submitted at the early stage of the 4.2
> RC process, the fix did not make it into kernel 4.2. So, there was no
> kernel-ml 4.2. Fortunately, the patch was added to kernel 4.3-rc1 and
> ,therefore, kernel-ml 4.3 could be released.
> 
> With regard to kernel 4.2, the patch had to be backported. It was one
> of several hundreds of patches that were waiting to be added by
> GregKH. It eventually happened with kernel 4.2.4.
> 
> The whole thing involved email exchanges, testing proposed patches,
> etc. So, here we are talking about commitment ...
> 
> Akemi
> 
> [1] http://elrepo.org/tiki/kernel-ml
> [2] https://lkml.org/lkml/2015/7/5/74
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