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SubjectRe: [PATCH v1 3/4] x86/mce: Add Zhaoxin CMCI support
Hi Tony,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.3-rc8 next-20190904]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Tony-W-Wang-oc/x86-mce-Add-Zhaoxin-MCE-support/20190909-190435
config: i386-randconfig-b002-201936 (attached as .config)
compiler: gcc-7 (Debian 7.4.0-11) 7.4.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

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

All errors (new ones prefixed by >>):

>> arch/x86/kernel/cpu/mce/core.c:1780:6: error: redefinition of 'mce_zhaoxin_feature_init'
void mce_zhaoxin_feature_init(struct cpuinfo_x86 *c)
^~~~~~~~~~~~~~~~~~~~~~~~
In file included from arch/x86/kernel/cpu/mce/core.c:50:0:
arch/x86/include/asm/mce.h:356:20: note: previous definition of 'mce_zhaoxin_feature_init' was here
static inline void mce_zhaoxin_feature_init(struct cpuinfo_x86 *c) { }
^~~~~~~~~~~~~~~~~~~~~~~~

vim +/mce_zhaoxin_feature_init +1780 arch/x86/kernel/cpu/mce/core.c

1779
> 1780 void mce_zhaoxin_feature_init(struct cpuinfo_x86 *c)
1781 {
1782 struct mce_bank *mce_banks = this_cpu_ptr(mce_banks_array);
1783
1784 /*
1785 * These CPUs bank8 SVAD error may be triggered unexpected when
1786 * bringup virtual machine. it is not hardware bug. Always disable
1787 * bank8 SVAD error by default.
1788 */
1789 if ((c->x86 == 6 && c->x86_model == 0x19 &&
1790 (c->x86_stepping > 3 && c->x86_stepping < 8)) ||
1791 (c->x86 == 6 && c->x86_model == 0x1f) ||
1792 (c->x86 == 7 && c->x86_model == 0x1b)) {
1793 if (this_cpu_read(mce_num_banks) > 8)
1794 mce_banks[8].ctl = 0;
1795 }
1796
1797 intel_init_cmci();
1798 mce_adjust_timer = cmci_intel_adjust_timer;
1799 }
1800

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