linux-kernel - Re: [RESEND PATCH v4 2/4] drivers/nvdimm: Add perf interface to expose nvdimm performance stats

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Message-ID: <202109032341.mgqAHURT-lkp@intel.com>
Date:   Fri, 3 Sep 2021 23:19:20 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kajol Jain <kjain@...ux.ibm.com>, mpe@...erman.id.au,
        linuxppc-dev@...ts.ozlabs.org, nvdimm@...ts.linux.dev,
        linux-kernel@...r.kernel.org, peterz@...radead.org,
        dan.j.williams@...el.com, ira.weiny@...el.com,
        vishal.l.verma@...el.com
Cc:     kbuild-all@...ts.01.org, maddy@...ux.ibm.com, santosh@...six.org
Subject: Re: [RESEND PATCH v4 2/4] drivers/nvdimm: Add perf interface to
 expose nvdimm performance stats

Hi Kajol,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linux-nvdimm/libnvdimm-for-next]
[also build test WARNING on powerpc/next linus/master v5.14 next-20210903]
[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/Kajol-Jain/Add-perf-interface-to-expose-nvdimm/20210903-131212
base:   https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git libnvdimm-for-next
config: x86_64-randconfig-s021-20210903 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-rc1-dirty
        # https://github.com/0day-ci/linux/commit/f841601cc058e6033761bd2157b886a30190fc3a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Kajol-Jain/Add-perf-interface-to-expose-nvdimm/20210903-131212
        git checkout f841601cc058e6033761bd2157b886a30190fc3a
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/nvdimm/

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


sparse warnings: (new ones prefixed by >>)
>> drivers/nvdimm/nd_perf.c:159:6: sparse: sparse: symbol 'nvdimm_pmu_free_hotplug_memory' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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

Download attachment ".config.gz" of type "application/gzip" (35068 bytes)