linux-kernel - [peterz-queue:sched/idle 4/9] vmlinux.o: warning: objtool: acpi_idle_enter+0x48: call to ftrace_likely

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Date:   Sat, 21 May 2022 20:58:21 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [peterz-queue:sched/idle 4/9] vmlinux.o: warning: objtool:
 acpi_idle_enter+0x48: call to ftrace_likely_update() leaves .noinstr.text
 section

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/idle
head:   0d249da1c3122b643b87a578c821dfb35c3bb633
commit: 052cc4b07ec6563980544627712a3ea5e08527f4 [4/9] idle: Fix rcu_idle_*() usage
config: x86_64-randconfig-c022 (https://download.01.org/0day-ci/archive/20220521/202205212012.fAYFb9k5-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=052cc4b07ec6563980544627712a3ea5e08527f4
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue sched/idle
        git checkout 052cc4b07ec6563980544627712a3ea5e08527f4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   vmlinux.o: warning: objtool: __rdgsbase_inactive+0x32: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __wrgsbase_inactive+0x37: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: fixup_bad_iret+0x71: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: noist_exc_debug+0x39: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_nmi+0xb8: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: poke_int3_handler+0x47: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mce_check_crashing_cpu+0xd: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: do_machine_check+0x49: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_machine_check+0x4e: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_nmi_enter+0x45: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_nmi_exit+0x8a: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: enter_from_user_mode+0x57: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0x5c: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0x57: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0x57: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_exit+0x3a: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: acpi_idle_enter_bm+0x1e9: call to acpi_idle_do_entry() leaves .noinstr.text section
   vmlinux.o: warning: objtool: acpi_idle_enter_s2idle+0x8a: call to acpi_idle_do_entry() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: acpi_idle_enter+0x48: call to ftrace_likely_update() leaves .noinstr.text section

-- 
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https://01.org/lkp