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Message-ID: <202410220508.9OO5jJgk-lkp@intel.com>
Date: Tue, 22 Oct 2024 06:01:49 +0800
From: kernel test robot <lkp@...el.com>
To: Bibo Mao <maobibo@...ngson.cn>, Huacai Chen <chenhuacai@...nel.org>,
Jianmin Lv <lvjianmin@...ngson.cn>
Cc: oe-kbuild-all@...ts.linux.dev, loongarch@...ts.linux.dev,
linux-kernel@...r.kernel.org, lixianglai@...ngson.cn,
WANG Xuerui <kernel@...0n.name>
Subject: Re: [PATCH v2] LoongArch: Fix cpu hotplug issue
Hi Bibo,
kernel test robot noticed the following build errors:
[auto build test ERROR on 42f7652d3eb527d03665b09edac47f85fb600924]
url: https://github.com/intel-lab-lkp/linux/commits/Bibo-Mao/LoongArch-Fix-cpu-hotplug-issue/20241021-160525
base: 42f7652d3eb527d03665b09edac47f85fb600924
patch link: https://lore.kernel.org/r/20241021080418.644342-1-maobibo%40loongson.cn
patch subject: [PATCH v2] LoongArch: Fix cpu hotplug issue
config: loongarch-allnoconfig (https://download.01.org/0day-ci/archive/20241022/202410220508.9OO5jJgk-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241022/202410220508.9OO5jJgk-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410220508.9OO5jJgk-lkp@intel.com/
All errors (new ones prefixed by >>):
arch/loongarch/kernel/setup.c: In function 'topo_add_cpu':
>> arch/loongarch/kernel/setup.c:383:9: error: '__cpu_logical_map' undeclared (first use in this function); did you mean 'cpu_logical_map'?
383 | __cpu_logical_map[possible_cpus] = physid;
| ^~~~~~~~~~~~~~~~~
| cpu_logical_map
arch/loongarch/kernel/setup.c:383:9: note: each undeclared identifier is reported only once for each function it appears in
arch/loongarch/kernel/setup.c: In function 'topo_init':
arch/loongarch/kernel/setup.c:391:9: error: '__cpu_logical_map' undeclared (first use in this function); did you mean 'cpu_logical_map'?
391 | __cpu_logical_map[0] = loongson_sysconf.boot_cpu_id;
| ^~~~~~~~~~~~~~~~~
| cpu_logical_map
vim +383 arch/loongarch/kernel/setup.c
364
365 int topo_add_cpu(int physid)
366 {
367 int cpu;
368
369 if (!bsp_added && (physid == loongson_sysconf.boot_cpu_id)) {
370 bsp_added = true;
371 return 0;
372 }
373
374 cpu = topo_get_cpu(physid);
375 if (cpu >= 0) {
376 pr_warn("Adding duplicated physical cpuid 0x%x\n", physid);
377 return -EEXIST;
378 }
379
380 if (possible_cpus >= nr_cpu_ids)
381 return -ERANGE;
382
> 383 __cpu_logical_map[possible_cpus] = physid;
384 cpu = possible_cpus++;
385 return cpu;
386 }
387
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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