linux-kernel - [tip:core/objtool 2/25] arch/x86/kernel/dumpstack.o: warning: objtool: show

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Message-ID: <201904032224.AOk0A2W9%lkp@intel.com>
Date:   Wed, 3 Apr 2019 22:05:25 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        tipbuild@...or.com, Ingo Molnar <mingo@...nel.org>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>
Subject: [tip:core/objtool 2/25] arch/x86/kernel/dumpstack.o: warning:
 objtool: show_regs()+0x9: undefined stack state

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core/objtool
head:   64604d54d3115fee89598bfb6d8d2252f8a2d114
commit: 37686b1353cfc30e127cef811959cdbcd0495d98 [2/25] tracing: Improve "if" macro code generation
config: x86_64-randconfig-x011-201913 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout 37686b1353cfc30e127cef811959cdbcd0495d98
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

>> arch/x86/kernel/dumpstack.o: warning: objtool: show_regs()+0x9: undefined stack state
>> arch/x86/kernel/dumpstack.o: warning: objtool: show_regs()+0x0: stack state mismatch: cfa1=6+16 cfa2=7+8

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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