linux-kernel - Re: [PATCH v2] ACPI: PCC: Implement OperationRegion handler for the PCC Type 3 subtype

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Message-ID: <202201060154.xBYcdXiV-lkp@intel.com>
Date:   Thu, 6 Jan 2022 01:50:45 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sudeep Holla <sudeep.holla@....com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>
Cc:     kbuild-all@...ts.01.org, Sudeep Holla <sudeep.holla@....com>
Subject: Re: [PATCH v2] ACPI: PCC: Implement OperationRegion handler for the
 PCC Type 3 subtype

Hi Sudeep,

I love your patch! Perhaps something to improve:

[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on next-20220105]
[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/Sudeep-Holla/ACPI-PCC-Implement-OperationRegion-handler-for-the-PCC-Type-3-subtype/20220104-000003
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: x86_64-rhel-8.3-kselftests (https://download.01.org/0day-ci/archive/20220106/202201060154.xBYcdXiV-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/0day-ci/linux/commit/1dbcdc47eadc8c55659410fc03d067f3438a386a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Sudeep-Holla/ACPI-PCC-Implement-OperationRegion-handler-for-the-PCC-Type-3-subtype/20220104-000003
        git checkout 1dbcdc47eadc8c55659410fc03d067f3438a386a
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash

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/acpi/acpi_pcc.c:34:22: sparse: sparse: symbol 'pcc_ctx' 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