[elrepo] How to understand elrepo kernel config changes

[Chengwei Yang]

Hi Phil,

Thank you very much, seems distro kernel is better for kernel newbie, like me. :-)

On Mon, Aug/05/2019 at 07:21:16 +0100, Phil Perry wrote:
> On 05/08/2019 03:55, Chengwei Yang wrote:
> > Hi Phil,
> > 
> > I found a problem here.
> > 
> > I'm testing kernel-lt 4.4.186-1 on a 2socket skylake server with X722 rev09 ethernet network connection.
> > 
> > I fount that the i40e driver version is 1.3.46-k which doesn't support X722
> > device while centos 7.4's latest kernel 3.10.0-693.21.1 does.
> > 
> > Because I'm new to kernel and now I'm worrying there are some other traps like
> > this to use kernel-lt.
> > 
> 
> Hi Chengwei,
> 
> Kernel-lt is now quite old at version 4.4.x. Conversely, the distro kernel,
> although it may have started out as a 3.10 kernel, is constantly updated by
> Red Hat and newer drivers (and security and bug fixes) are backported all
> the time. In this case it would appear that the distro kernel is actually in
> better shape wrt that ethernet driver than kernel-lt. To answer your
> question, yes there will be other areas where the distro kernel is
> effectively "newer" than kernel-lt but I can not answer if they will be
> areas that affect you personally.
> 
> If this is the case then kernel-lt may not be for you. Why are you not able
> to stick with the distro kernel? It may be easier to fix any issues you have
> with the distro kernel.
> 
> Hope that helps,
> 
> Phil
> 
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-- 
Thanks,
Chengwei