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SubjectRe: [PATCH v2 01/11] smp: consolidate the structure definitions to smp.h
Hi Donghai,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on rafael-pm/linux-next linus/master v5.18-rc3 next-20220422]
[cannot apply to tip/x86/core]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in]

base: next
config: sparc-randconfig-r026-20220422 (
compiler: sparc64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add linux-review
git fetch --no-tags linux-review Donghai-Qiao/smp-cross-CPU-call-interface/20220423-060436
git checkout 1c14bdafe09740690b249824f3526527e4c02d2a
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash lib/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <>

All errors (new ones prefixed by >>):

In file included from include/linux/lockdep.h:14,
from include/linux/spinlock.h:62,
from include/linux/kref.h:16,
from include/linux/mm_types.h:8,
from include/linux/buildid.h:5,
from include/linux/module.h:14,
from lib/test_bitops.c:9:
>> include/linux/smp.h:131:14: error: 'seq_type' defined but not used [-Werror=unused-variable]
131 | static char *seq_type[] = {
| ^~~~~~~~
cc1: all warnings being treated as errors

vim +/seq_type +131 include/linux/smp.h

> 131 static char *seq_type[] = {
132 [CFD_SEQ_QUEUE] = "queue",
133 [CFD_SEQ_IPI] = "ipi",
134 [CFD_SEQ_NOIPI] = "noipi",
135 [CFD_SEQ_PING] = "ping",
136 [CFD_SEQ_PINGED] = "pinged",
137 [CFD_SEQ_HANDLE] = "handle",
138 [CFD_SEQ_DEQUEUE] = "dequeue (src CPU 0 == empty)",
139 [CFD_SEQ_IDLE] = "idle",
140 [CFD_SEQ_GOTIPI] = "gotipi",
141 [CFD_SEQ_HDLEND] = "hdlend (src CPU 0 == early)",
142 };

0-DAY CI Kernel Test Service

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