linux-kernel - Re: [PATCH v2 1/1] arm64: rsi: Add automatic arm-cca-guest module loading

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Message-ID: <202412031328.ybzEAJ4U-lkp@intel.com>
Date: Tue, 3 Dec 2024 14:16:29 +0800
From: kernel test robot <lkp@...el.com>
To: Jeremy Linton <jeremy.linton@....com>,
	linux-arm-kernel@...ts.infradead.org
Cc: oe-kbuild-all@...ts.linux.dev, gshan@...hat.com, steven.price@....com,
	sami.mujawar@....com, suzuki.poulose@....com, will@...nel.org,
	catalin.marinas@....com, linux-kernel@...r.kernel.org,
	Jeremy Linton <jeremy.linton@....com>
Subject: Re: [PATCH v2 1/1] arm64: rsi: Add automatic arm-cca-guest module
 loading

Hi Jeremy,

kernel test robot noticed the following build warnings:

[auto build test WARNING on arm64/for-next/core]
[also build test WARNING on linus/master v6.13-rc1 next-20241128]
[cannot apply to kvmarm/next soc/for-next arm/for-next arm/fixes]
[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/Jeremy-Linton/arm64-rsi-Add-automatic-arm-cca-guest-module-loading/20241203-080347
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
patch link:    https://lore.kernel.org/r/20241203000156.72451-2-jeremy.linton%40arm.com
patch subject: [PATCH v2 1/1] arm64: rsi: Add automatic arm-cca-guest module loading
config: arm64-randconfig-001-20241203 (https://download.01.org/0day-ci/archive/20241203/202412031328.ybzEAJ4U-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241203/202412031328.ybzEAJ4U-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/202412031328.ybzEAJ4U-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/virt/coco/arm-cca-guest/arm-cca-guest.c:224:55: warning: 'arm_cca_match' defined but not used [-Wunused-const-variable=]
     224 | static const struct __maybe_unused platform_device_id arm_cca_match[] = {
         |                                                       ^~~~~~~~~~~~~


vim +/arm_cca_match +224 drivers/virt/coco/arm-cca-guest/arm-cca-guest.c

   222	
   223	/* modalias, so userspace can autoload this module when RSI is available */
 > 224	static const struct __maybe_unused platform_device_id arm_cca_match[] = {
   225		{ RSI_PDEV_NAME, 0},
   226		{ }
   227	};
   228	

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