linux-kernel - arch/x86/mm/fault.o: warning: objtool: do_page

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Message-ID: <202003061843.YVzsDc3A%lkp@intel.com>
Date:   Fri, 6 Mar 2020 18:48:47 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Frederic Weisbecker <frederic@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Ingo Molnar <mingo@...nel.org>
Subject: arch/x86/mm/fault.o: warning: objtool: do_page_fault()+0x4fb:
 unreachable instruction

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9f65ed5fe41ce08ed1cb1f6a950f9ec694c142ad
commit: ee6352b2c47a24234398e06381edd93a8e965976 x86/context-tracking: Remove exception_enter/exit() from do_page_fault()
date:   8 weeks ago
config: x86_64-randconfig-a002-20200306 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2
reproduce:
        git checkout ee6352b2c47a24234398e06381edd93a8e965976
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

>> arch/x86/mm/fault.o: warning: objtool: do_page_fault()+0x4fb: unreachable instruction

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (31008 bytes)