linux-kernel - [peterz-queue:sched/idle 13/19] vmlinux.o: warning: objtool: tick_check_broadcast_expired+0x2f: call to __kasan_check

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Message-ID: <202206011749.IenKXuNb-lkp@intel.com>
Date:   Wed, 1 Jun 2022 17:13:24 +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 13/19] vmlinux.o: warning: objtool:
 tick_check_broadcast_expired+0x2f: call to __kasan_check_read() leaves
 .noinstr.text section

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/idle
head:   800e96de10eefe4eca5bb5f4492a77dac04b52dc
commit: 998ebff7327f7dfd547abe683c254fe949e2336c [13/19] idle: Fix rcu_idle_*() usage
config: x86_64-randconfig-a014-20211121 (https://download.01.org/0day-ci/archive/20220601/202206011749.IenKXuNb-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=998ebff7327f7dfd547abe683c254fe949e2336c
        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 998ebff7327f7dfd547abe683c254fe949e2336c
        # 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: exc_nmi+0x109: call to static_key_count.constprop.0() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_page_fault+0x34: call to static_key_count() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: tick_check_broadcast_expired+0x2f: call to __kasan_check_read() leaves .noinstr.text section

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp