linux-kernel - Re: [PATCH net-next v5 00/11] ipv6: Only create RTF_CACHE route after encountering pmtu exception

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Message-ID: <55E02B35.7080006@ahsoftware.de>
Date:	Fri, 28 Aug 2015 11:34:45 +0200
From:	Alexander Holler <holler@...oftware.de>
To:	Martin KaFai Lau <kafai@...com>
Cc:	netdev <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	Julian Anastasov <ja@....bg>,
	Steffen Klassert <steffen.klassert@...unet.com>,
	Kernel Team <Kernel-team@...com>, stable@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v5 00/11] ipv6: Only create RTF_CACHE route after
 encountering pmtu exception

Am 28.08.2015 um 11:27 schrieb Alexander Holler:
> Am 28.08.2015 um 09:36 schrieb Martin KaFai Lau:
>> On Mon, Aug 17, 2015 at 11:43:20AM +0200, Alexander Holler wrote:
>>> That's why I vote to check out if it's possible/reasonable to
>>> backport this
>>> series to the stable kernels.
>> I have backported to 4.0.y without major issue, so possible.
>
> Sure, as this was likely one of the versions they've used to create the
> patch.
>
>> I did try on 3.1x and gave up.
>>
>> It is a lot of changes,  so I don't think it is a good idea for -stable.
>
> Depends on what you're expecting from a (stable) kernel.
>
> The patch description mentions what happens when a system deals with a
> lot of other ipv6-systems and that problem is easy to exercise and to
> value.
>
> Rating the information leak is harder, some people even won't understand
> that this might be a problem.
>
> And now look at which kernel-versions are now used in new devices
> (likely something <= 3.10, which is more than two years old), how long
> they will be used, and make a guess about IPv6 usage in 5 years.
>
> Anyway, I've no insights about all the politics happening in the
> background (e.g. stuff like the LTSI tree) and I've just wanted raise
> awareness about that (imho important) patch series.

Not to speak about phones, but those are most likely a problem of one 
specific company  ;)

Regards,

Alexander Holler
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