linux-kernel - kernel/sched/build_utility.o: warning: objtool: sched_is_eas_possible.isra.0+0x8c: stack state mismatch: reg1[28]=-1+0 reg2[28]=-2-56

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Message-ID: <202412070437.ZjWaJvb1-lkp@intel.com>
Date: Sat, 7 Dec 2024 04:41:12 +0800
From: kernel test robot <lkp@...el.com>
To: Yury Norov <yury.norov@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Brian Norris <briannorris@...omium.org>,
	Kees Cook <kees@...nel.org>, Nathan Chancellor <nathan@...nel.org>
Subject: kernel/sched/build_utility.o: warning: objtool:
 sched_is_eas_possible.isra.0+0x8c: stack state mismatch: reg1[28]=-1+0
 reg2[28]=-2-56

Hi Yury,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b8f52214c61a5b99a54168145378e91b40d10c90
commit: fda1dd3c54ef3c4200c2e77634a91610da973950 find: Switch from inline to __always_inline
date:   4 months ago
config: loongarch-randconfig-001-20241207 (https://download.01.org/0day-ci/archive/20241207/202412070437.ZjWaJvb1-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241207/202412070437.ZjWaJvb1-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/202412070437.ZjWaJvb1-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> kernel/sched/build_utility.o: warning: objtool: sched_is_eas_possible.isra.0+0x8c: stack state mismatch: reg1[28]=-1+0 reg2[28]=-2-56

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