[tip:x86/urgent 8/15] arch/x86/lib/retpoline.o: warning: objtool: srso_untrain_ret+0xd: call without frame pointer save/setup

[tip:x86/urgent 8/15] arch/x86/lib/retpoline.o: warning: objtool: srso_untrain_ret+0xd: call without frame pointer save/setup

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/urgent
head:   d80c3c9de067e08498d9bbfef7ab0b716fe4cc05
commit: 4ae68b26c3ab5a82aa271e6e9fc9b1a06e1d6b40 [8/15] objtool/x86: Fix SRSO mess
config: x86_64-randconfig-x015-20230816 (https://download.01.org/0day-ci/archive/20230817/202308170133.1Ix5PpIZ-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230817/202308170133.1Ix5PpIZ-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308170133.1Ix5PpIZ-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/lib/retpoline.o: warning: objtool: srso_untrain_ret+0xd: call without frame pointer save/setup


objdump-func vmlinux.o srso_untrain_ret:
0000 0000000000000000 <srso_untrain_ret_alias>:
0000    0:	66 90                	xchg   %ax,%ax
0002    2:	0f ae e8             	lfence
0005    5:	e9 00 00 00 00       	jmp    a <__pcpu_unique_p4_running>	6: R_X86_64_PLT32	__x86_return_thunk-0x4
0000 00000000000000be <srso_untrain_ret>:
0000   be:	48                   	rex.W
0001   bf:	b8                   	.byte 0xb8

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https://github.com/intel/lkp-tests/wiki