vmlinux.o: warning: objtool: sja1105_fast_age() falls through to next function sja1105_mgmt_xmit.constprop.0.isra.0.cold()

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e8c127b0576660da9195504fe8393fe9da3de9ce
commit: c27cd083cfb9d392f304657ed00fcde1136704e7 Compiler attributes: GCC cold function alignment workarounds
date:   9 months ago
config: x86_64-randconfig-004-20231013 (https://download.01.org/0day-ci/archive/20231013/202310130710.e8aldrhL-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231013/202310130710.e8aldrhL-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310130710.e8aldrhL-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> vmlinux.o: warning: objtool: sja1105_fast_age() falls through to next function sja1105_mgmt_xmit.constprop.0.isra.0.cold()

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