Re: [PATCH AUTOSEL 4.19 204/205] s390/qeth: limit csum offload erratum to L3 devices

[Greg KH]

On Fri, Nov 08, 2019 at 01:16:26PM +0100, Julian Wiedmann wrote:
> On 08.11.19 13:00, Sasha Levin wrote:
> > On Fri, Nov 08, 2019 at 12:50:24PM +0100, Julian Wiedmann wrote:
> >> On 08.11.19 12:37, Sasha Levin wrote:
> >>> From: Julian Wiedmann <jwi@xxxxxxxxxxxxx>
> >>>
> >>> [ Upstream commit f231dc9dbd789b0f98a15941e3cebedb4ad72ad5 ]
> >>>
> >>> Combined L3+L4 csum offload is only required for some L3 HW. So for
> >>> L2 devices, don't offload the IP header csum calculation.
> >>>
> >>
> >> NACK, this has no relevance for stable.
> > 
> > Sure, I'll drop it.
> > 
> > Do you have an idea why the centos and ubuntu folks might have
> > backported this commit into their kernels?
> > 
> 
> No clue, I trust they have their own reasons.
> 

I cant see centos backporting anything unless they were asked to do so.
And this really looks like a "bugfix" to me, why isn't this relevant for
any older kernel versions?

thanks,

greg k-h