Hello!

On 7/26/21 10:37 AM, Greg Kroah-Hartman wrote:

This is the start of the stable review cycle for the 5.10.54 release.
There are 167 patches in this series, all will be posted as a response
to this one.  If anyone has any issues with these being applied, please
let me know.

Responses should be made by Wed, 28 Jul 2021 15:38:12 +0000.
Anything received after that time might be too late.

The whole patch series can be found in one patch at:
	https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.54-rc1.gz
or in the git tree and branch at:
	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
and the diffstat can be found below.

thanks,

greg k-h

Build regressions detected across plenty of architectures and configurations:

   /builds/linux/net/core/dev.c:5877:51: error: use of undeclared identifier 'TC_SKB_EXT'
                           struct tc_skb_ext *skb_ext = skb_ext_find(skb, TC_SKB_EXT);
                                                                          ^
   /builds/linux/net/core/dev.c:5878:47: error: use of undeclared identifier 'TC_SKB_EXT'
                           struct tc_skb_ext *p_ext = skb_ext_find(p, TC_SKB_EXT);
                                                                      ^
   /builds/linux/net/core/dev.c:5882:19: error: incomplete definition of type 'struct tc_skb_ext'
                                   diffs |= p_ext->chain ^ skb_ext->chain;
                                            ~~~~~^
   /builds/linux/net/core/dev.c:5877:11: note: forward declaration of 'struct tc_skb_ext'
                           struct tc_skb_ext *skb_ext = skb_ext_find(skb, TC_SKB_EXT);
                                  ^
   /builds/linux/net/core/dev.c:5882:36: error: incomplete definition of type 'struct tc_skb_ext'
                                   diffs |= p_ext->chain ^ skb_ext->chain;
                                                           ~~~~~~~^
   /builds/linux/net/core/dev.c:5877:11: note: forward declaration of 'struct tc_skb_ext'
                           struct tc_skb_ext *skb_ext = skb_ext_find(skb, TC_SKB_EXT);
                                  ^
   4 errors generated.
   make[3]: *** [/builds/linux/scripts/Makefile.build:280: net/core/dev.o] Error 1
   make[3]: Target '__build' not remade because of errors.
   make[2]: *** [/builds/linux/scripts/Makefile.build:497: net/core] Error 2

As with 5.13, it failed everywhere for the same reason. Fails on defconfig and bunch others, with GCC/Clang, and across many architectures.

Greetings!

Daniel Díaz
daniel.diaz@linaro.org