linux-kernel - Re: [PATCH v3 3/5] crypto: tegra: Add Tegra Security Engine driver

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Message-ID: <202401131257.8RjvB7OG-lkp@intel.com>
Date: Sat, 13 Jan 2024 12:53:50 +0800
From: kernel test robot <lkp@...el.com>
To: Akhil R <akhilrajeev@...dia.com>, herbert@...dor.apana.org.au,
	davem@...emloft.net, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	thierry.reding@...il.com, jonathanh@...dia.com,
	catalin.marinas@....com, will@...nel.org, mperttunen@...dia.com,
	linux-crypto@...r.kernel.org, devicetree@...r.kernel.org,
	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
	krzk@...nel.org
Cc: oe-kbuild-all@...ts.linux.dev, Akhil R <akhilrajeev@...dia.com>
Subject: Re: [PATCH v3 3/5] crypto: tegra: Add Tegra Security Engine driver

Hi Akhil,

kernel test robot noticed the following build warnings:

[auto build test WARNING on herbert-cryptodev-2.6/master]
[also build test WARNING on herbert-crypto-2.6/master tegra/for-next linus/master v6.7 next-20240112]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Akhil-R/dt-bindings-crypto-Add-Tegra-Security-Engine/20240109-172454
base:   https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
patch link:    https://lore.kernel.org/r/20240109091708.66977-4-akhilrajeev%40nvidia.com
patch subject: [PATCH v3 3/5] crypto: tegra: Add Tegra Security Engine driver
config: powerpc64-randconfig-r123-20240112 (https://download.01.org/0day-ci/archive/20240113/202401131257.8RjvB7OG-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20240113/202401131257.8RjvB7OG-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/202401131257.8RjvB7OG-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/crypto/tegra/tegra-se-key.c:20:1: sparse: sparse: symbol 'kslt_lock' was not declared. Should it be static?
   drivers/crypto/tegra/tegra-se-key.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/umh.h, include/linux/kmod.h, ...):
   include/linux/page-flags.h:242:46: sparse: sparse: self-comparison always evaluates to false

vim +/kslt_lock +20 drivers/crypto/tegra/tegra-se-key.c

    18	
    19	/* Mutex lock to guard keyslots */
  > 20	DEFINE_MUTEX(kslt_lock);
    21	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki