[LEDE-DEV] kernel version status

[John Crispin]

On 19/02/18 12:09, Arjen de Korte wrote:
> Citeren John Crispin <john at phrozen.org>:
>
>> On 18/02/18 22:43, Hauke Mehrtens wrote:
>>> The next OpenWrt release will use kernel 4.9 and kernel 4.14 depending
>>> on the target. All targets that are *not* on either kernel 4.9 or 4.14
>>> will not be included in the next release.
>>>
>>> I did some overview of the kernel version some months ago here:
>>> http://lists.infradead.org/pipermail/lede-dev/2017-October/009446.html
>>>
>>> Here is the current situation as of today:
>>>
>>> The following targets are on kernel 4.14 and are fine:
>>> * apm821xx
>>> * archs38
>>> * armvirt
>>> * cns3xxx
>>> * malta
>>> * mediatek
>>> * octeon
>>> * octeontx
>>> * sunxi
>>> * x86
>>>
>>> The following targets are on kernel 4.9 and are fine:
>>> * ar71xx
>>> * ar7
>>> * arc770
>>> * at91
>>>     There are some patches for kernel 4.14 on the mailing list
>>>     waiting for response from author
>>> * ath25
>>> * bcm53xx
>>>     patches for 4.14 are available in master
>>> * brcm2708
>>> * brcm47xx
>>> * brcm63xx
>>>     patches for 4.14 are available in master
>>> * imx6
>>>     There are some patches for kernel 4.14 on the mailing list
>>>     which is being worked on
>>> * ipq806x
>>> * ixp4xx
>>> * kirkwood
>>> * lantiq
>>>     patches for 4.14 are in Mathias Kresin's staging tree.
>>> * layerscape
>>> * mpc85xx
>>> * mvebu
>>>     patches for 4.14 are available in master
>>>     I would like to get this to kernel 4.14 by default soon.
>>> * mxs
>>> * omap
>>> * orion
>>> * pistachio
>>> * ramips
>>>     patches for 4.14 are available in master
>>> * rb532
>>> * uml
>>>
>>> The following targets are on kernel 4.4 and will probably not be
>>> included in the next release:
>>> * gemini
>>> * oxnas
>>> * zynq
>>>
>>> The following targets are on kernel 3.18 and will probably not be
>>> included in the next release:
>>> * adm5120
>>> * adm8668
>>> * au1000
>>> * mcs814x
>>>     I have patches which port this target to 4.4 in my tree, but
>>>     nobody tested them.
>>>     https://git.lede-project.org/?p=lede/hauke/staging.git;a=shortlog;h=refs/heads/kernel-4.4 
>>>
>>> * ppc40x
>>> * ppc44x
>>> * xburst
>>>     I have patches which port this target to 4.4 in my tree, but
>>>     nobody tested them
>>>     https://git.lede-project.org/?p=lede/hauke/staging.git;a=shortlog;h=refs/heads/kernel-4.4 
>>>
>>>
>>> This target is on kernel 4.1 (WTF):
>>> * omap24xx
>>>
>>> All the targets which are not on kernel 4.9 or 4.14 will probably 
>>> not be
>>> included in the next release, I also haven't seen any activity for any
>>> of them to get support for more recent kernel versions, if you need 
>>> them
>>> please take care now.
>>>
>>> Hauke
>>
>> Hi Hauke,
>>
>> I planned to make that list today, thanks for taking care of it !. I 
>> would like to see ar71xx and ramips stay on v4.9, regardless of there 
>> being patches for v4.14. I would also like to see ar71xx never being 
>> bumped to v4.14, I spent a few days last week revamping my old ath79 
>> port and would like to see a hard cut, moving QCA mips target to OF 
>> only post release.
>
> Out of curiosity, what is the reason not to bump ar71xx to v4.14? 
> Looking at the projected EOL of kernels, the move from v4.4 (Feb, 
> 2022) to v4.9 (Jan, 2019) drastically reduced the time remaining for 
> this platform.
>

we have long planned to move ar71xx over to OF and decided that this 
might be the right time to do so. currently units will have ~300k on 
flash for mac files and ~1,5M in ram for them. the target is pretty 
messy at places, so moving it to OF will only give us advantages.

     John


>>     John
>>
>>
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