Re: [RFC PATCH 6/7] RAS/CEC: Add CPU Correctable Error Collector to isolate an erroneous CPU core

[kernel test robot <lkp@intel.com>]

[-- Attachment #1: Type: text/plain, Size: 3201 bytes --]

Hi Shiju,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on pm/linux-next]
[also build test ERROR on arm64/for-next/core linux/master linus/master v5.9-rc7]
[cannot apply to next-20201002]
[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
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Shiju-Jose/RAS-CEC-Extend-CEC-for-errors-count-check-on-short-time-period/20201002-203258
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: i386-randconfig-a013-20201002 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/997e6e12af74d446b6b868f0e39a9e6b9c96a2d9
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Shiju-Jose/RAS-CEC-Extend-CEC-for-errors-count-check-on-short-time-period/20201002-203258
        git checkout 997e6e12af74d446b6b868f0e39a9e6b9c96a2d9
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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

All errors (new ones prefixed by >>):

   drivers/ras/cec.c: In function 'cec_cpu_offline_work_fn':
>> drivers/ras/cec.c:514:7: error: implicit declaration of function 'remove_cpu' [-Werror=implicit-function-declaration]
     514 |  rc = remove_cpu(cpu);
         |       ^~~~~~~~~~
   In file included from include/linux/debugfs.h:16,
                    from drivers/ras/debugfs.h:5,
                    from drivers/ras/cec.c:17:
   At top level:
   drivers/ras/cec.c:655:23: warning: 'cec_cpu_stats_fops' defined but not used [-Wunused-const-variable=]
     655 | DEFINE_SHOW_ATTRIBUTE(cec_cpu_stats);
         |                       ^~~~~~~~~~~~~
   include/linux/seq_file.h:173:37: note: in definition of macro 'DEFINE_SHOW_ATTRIBUTE'
     173 | static const struct file_operations __name ## _fops = {   \
         |                                     ^~~~~~
   cc1: some warnings being treated as errors

vim +/remove_cpu +514 drivers/ras/cec.c

   497	
   498	/*
   499	 * Work function to offline a cpu because the offlining to be done
   500	 * in the process context.
   501	 */
   502	static void cec_cpu_offline_work_fn(struct work_struct *work)
   503	{
   504		int rc, cpu;
   505		struct cec_elem_offline *elem;
   506		struct ce_array *ca;
   507	
   508		elem = container_of(work, struct cec_elem_offline, work);
   509	
   510		cpu = elem->elem_id;
   511		if (!cpu_online(cpu))
   512			return;
   513	
 > 514		rc = remove_cpu(cpu);
   515		if (rc) {
   516			pr_warn("Failed to offline CPU%d, error %d\n", cpu, rc);
   517		} else {
   518			ca = elem->ca;
   519			ca->array[elem->array_index] |= ELEM_STATUS_BIT;
   520		}
   521	
   522		kfree(elem);
   523	}
   524	

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

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 41376 bytes --]