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From: Hauke Mehrtens <hauke@hauke-m.de>
To: Linus Walleij <linus.walleij@linaro.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	stable <stable@vger.kernel.org>
Cc: "Mark Brown" <broonie@linaro.org>,
	"Arnd Bergmann" <arnd@arndb.de>,
	"Sumit Semwal" <sumit.semwal@linaro.org>,
	"Amit Pundir" <amit.pundir@linaro.org>,
	openwrt-devel@openwrt.org, "Felix Fietkau" <nbd@nbd.name>,
	"Eric Dumazet" <eric.dumazet@gmail.com>,
	"Rafał Miłecki" <rafal@milecki.pl>,
	"John Youn" <johnyoun@synopsys.com>,
	"Liping Zhang" <zlpnobody@gmail.com>,
	"Dave Taht" <dave.taht@gmail.com>,
	"Koen Vandeputte" <koen.vandeputte@ncentric.com>,
	"Alin Nastac" <alin.nastac@gmail.com>,
	"Eli Cooper" <elicooper@gmx.com>,
	"Craig Gallek" <cgallek@google.com>,
	"Stefano Brivio" <sbrivio@redhat.com>
Subject: Re: Elegible stable v4.9.x commits used by OpenWrt
Date: Wed, 13 Feb 2019 23:43:31 +0100	[thread overview]
Message-ID: <10938861-83e6-76b8-4df1-925fa7faadf7@hauke-m.de> (raw)
In-Reply-To: <CACRpkdaMWy9c7rWAsRGOMYbFJiMp0io2OumRTdsihLmuc+Vkpg@mail.gmail.com>

On 2/12/19 4:39 PM, Linus Walleij wrote:
> Hi Greg,
> 
> I recently sifted through the OpenWrt stack of backports to v4.9 and
> made a list of upstream commits that exist in their kernel but are not
> in the stable tree for v4.9.
> 
> Out of 104 patches I classified:
> 
> Number backported from later kernels that should possibly/probably go
> into stable: 17
> 
> Backported from later kernels to gain performance: 13
> 
> Backported because of new hardware support or convinent new
> frameworks: 74
> 
> The performance commits are a bit inbetween: if they fix a performance
> regression they should go upstream whereas if they are just there to
> speed up the devices using OpenWrt it's fine as distribution "icing" (IMO).
> The HW support and framework enhancements are clearly just a
> distribution add-on and not regressions. I left them out for now so we
> can focus on the most important stuff.
> 
> Here is the list I think you could consider for cherry-picking to stable
> v4.9 and where applicable also to later stable kernels (giving the
> OpenWrt maintainers and patch authors some day(s) to comment):
> 

....

> 
> nf_tables fix for BE systems:
> 
> 092-netfilter-nf_tables-fix-mismatch-in-big-endian-syste.patch
> Upstream commit 10596608c4d62cb8c1c2b806debcbd32fe657e71
> "netfilter: nf_tables: fix mismatch in big-endian system"
> Merged in v4.11

I tried to get this into 4.9 stable but failed to get the process right,
it looks it is somehow special for network patches. Just cherry-picking
the upstream patch will not work because it does not apply cleanly on
kernel 4.9 any more, but you can take the patch for OpenWrt.

....
> 
> UAPI bug on if_ether.h
> definately looks like stable material:
> 
> 272-uapi-if_ether.h-prevent-redefinition-of-struct-ethhd.patch
> Upstream commit 6926e041a8920c8ec27e4e155efa760aa01551fd
> "uapi/if_ether.h: prevent redefinition of struct ethhdr"
> Merged in v4.15

As of now this is only needed for musl libc, but would be nice to have
it in stable.

....

Hauke

  parent reply	other threads:[~2019-02-13 22:43 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-12 15:39 Elegible stable v4.9.x commits used by OpenWrt Linus Walleij
2019-02-13 14:17 ` Greg KH
2019-02-13 14:37   ` Linus Walleij
2019-02-13 14:46     ` Koen Vandeputte
2019-02-13 22:43 ` Hauke Mehrtens [this message]
2019-02-14  8:10   ` Linus Walleij
2019-02-14  9:50 ` Stefano Brivio
2019-02-14 10:04   ` Linus Walleij

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