linux-kernel - vmlinux.o: warning: objtool: ni_read_frame() falls through to next function __checkpoint_and_complete

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Date:   Wed, 9 Aug 2023 23:32:31 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mark Rutland <mark.rutland@....com>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>
Subject: vmlinux.o: warning: objtool: ni_read_frame() falls through to next
 function __checkpoint_and_complete_reqs.cold()

Hi Mark,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   13b9372068660fe4f7023f43081067376582ef3c
commit: c27cd083cfb9d392f304657ed00fcde1136704e7 Compiler attributes: GCC cold function alignment workarounds
date:   7 months ago
config: x86_64-buildonly-randconfig-r001-20230809 (https://download.01.org/0day-ci/archive/20230809/202308092358.23SZk0fW-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230809/202308092358.23SZk0fW-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308092358.23SZk0fW-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> vmlinux.o: warning: objtool: ni_read_frame() falls through to next function __checkpoint_and_complete_reqs.cold()
   vmlinux.o: warning: objtool: __rdgsbase_inactive+0x2f: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __wrgsbase_inactive+0x33: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: fixup_bad_iret+0x8d: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: noist_exc_debug+0x37: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_nmi+0xd6: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: poke_int3_handler+0x43: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_nmi_enter+0x49: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_nmi_exit+0x5d: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: enter_from_user_mode+0x31: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x38: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0x31: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0x31: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_exit+0x2c: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: ct_kernel_exit_state+0x2c: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: ct_kernel_enter_state+0x2e: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: ct_kernel_enter+0x1c: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: context_tracking_recursion_enter+0x2e: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: ct_kernel_exit+0x2b: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: ct_idle_enter+0x18: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: ct_idle_exit+0x32: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __ct_user_enter+0x2d: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: ct_nmi_enter+0x1a: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: ct_irq_enter+0x33: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: ct_irq_exit+0x33: call to ftrace_likely_update() leaves .noinstr.text section

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki