linux-kernel - Re: [PATCH v6 10/11] virt: arm-cca-guest: TSM

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Message-ID: <202410052337.YQFmvTFu-lkp@intel.com>
Date: Sat, 5 Oct 2024 23:42:49 +0800
From: kernel test robot <lkp@...el.com>
To: Steven Price <steven.price@....com>, kvm@...r.kernel.org,
	kvmarm@...ts.linux.dev
Cc: oe-kbuild-all@...ts.linux.dev, Sami Mujawar <sami.mujawar@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Marc Zyngier <maz@...nel.org>, Will Deacon <will@...nel.org>,
	James Morse <james.morse@....com>,
	Oliver Upton <oliver.upton@...ux.dev>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Zenghui Yu <yuzenghui@...wei.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Joey Gouly <joey.gouly@....com>,
	Alexandru Elisei <alexandru.elisei@....com>,
	Christoffer Dall <christoffer.dall@....com>,
	Fuad Tabba <tabba@...gle.com>, linux-coco@...ts.linux.dev,
	Ganapatrao Kulkarni <gankulkarni@...amperecomputing.com>,
	Gavin Shan <gshan@...hat.com>,
	Shanker Donthineni <sdonthineni@...dia.com>,
	Alper Gun <alpergun@...gle.com>,
	Dan Williams <dan.j.williams@...el.com>,
	"Aneesh Kumar K . V" <aneesh.kumar@...nel.org>,
	Steven Price <steven.price@....com>
Subject: Re: [PATCH v6 10/11] virt: arm-cca-guest: TSM_REPORT support for
 realms

Hi Steven,

kernel test robot noticed the following build warnings:

[auto build test WARNING on arm64/for-next/core]
[also build test WARNING on linus/master v6.12-rc1 next-20241004]
[cannot apply to efi/next]
[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/Steven-Price/arm64-rsi-Add-RSI-definitions/20241004-225034
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
patch link:    https://lore.kernel.org/r/20241004144307.66199-11-steven.price%40arm.com
patch subject: [PATCH v6 10/11] virt: arm-cca-guest: TSM_REPORT support for realms
config: arm64-randconfig-004-20241005 (https://download.01.org/0day-ci/archive/20241005/202410052337.YQFmvTFu-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241005/202410052337.YQFmvTFu-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/202410052337.YQFmvTFu-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/virt/coco/arm-cca-guest/arm-cca-guest.c:27: warning: Excess struct member 'len' description in 'arm_cca_token_info'


vim +27 drivers/virt/coco/arm-cca-guest/arm-cca-guest.c

    15	
    16	/**
    17	 * struct arm_cca_token_info - a descriptor for the token buffer.
    18	 * @granule:	PA of the page to which the token will be written
    19	 * @offset:	Offset within granule to start of buffer in bytes
    20	 * @len:	Number of bytes of token data that was retrieved
    21	 * @result:	result of rsi_attestation_token_continue operation
    22	 */
    23	struct arm_cca_token_info {
    24		phys_addr_t     granule;
    25		unsigned long   offset;
    26		int             result;
  > 27	};
    28	

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