tree:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/tip/tip.git 
WIP.x86/ipi
head:   64fca03f132d830b48b20a8547fb8337e89715cd
commit: 3883fea4fbeb4a505c6db87b0ba9af910e10a07e [1/25] x86/kgbd: Use 
NMI_VECTOR not APIC_DM_NMI
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-6) 7.4.0
reproduce:
        git checkout 3883fea4fbeb4a505c6db87b0ba9af910e10a07e
        # 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 <l...@intel.com>

All errors (new ones prefixed by >>):

   arch/x86/kernel/kgdb.c: In function 'kgdb_roundup_cpus':
>> arch/x86/kernel/kgdb.c:427:28: error: 'VECTOR_NMI' undeclared (first use in 
>> this function); did you mean 'ESTACK_NMI'?
     apic->send_IPI_allbutself(VECTOR_NMI);
                               ^~~~~~~~~~
                               ESTACK_NMI
   arch/x86/kernel/kgdb.c:427:28: note: each undeclared identifier is reported 
only once for each function it appears in

vim +427 arch/x86/kernel/kgdb.c

   412  
   413  #ifdef CONFIG_SMP
   414  /**
   415   *      kgdb_roundup_cpus - Get other CPUs into a holding pattern
   416   *
   417   *      On SMP systems, we need to get the attention of the other CPUs
   418   *      and get them be in a known state.  This should do what is needed
   419   *      to get the other CPUs to call kgdb_wait(). Note that on some 
arches,
   420   *      the NMI approach is not used for rounding up all the CPUs. For 
example,
   421   *      in case of MIPS, smp_call_function() is used to roundup CPUs.
   422   *
   423   *      On non-SMP systems, this is not called.
   424   */
   425  void kgdb_roundup_cpus(void)
   426  {
 > 427          apic->send_IPI_allbutself(VECTOR_NMI);
   428  }
   429  #endif
   430  

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

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