Re: [PATCH v7 03/16] virt: geniezone: Add GenieZone hypervisor driver

From: kernel test robot <lkp@intel.com>
To: Yi-De Wu <yi-de.wu@mediatek.com>,
	Yingshiuan Pan <yingshiuan.pan@mediatek.com>,
	Ze-Yu Wang <ze-yu.wang@mediatek.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Jonathan Corbet <corbet@lwn.net>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>
Cc: oe-kbuild-all@lists.linux.dev, Arnd Bergmann <arnd@arndb.de>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,
	David Bradil <dbrazdil@google.com>,
	Trilok Soni <quic_tsoni@quicinc.com>,
	Jade Shih <jades.shih@mediatek.com>,
	Ivan Tseng <ivan.tseng@mediatek.com>,
	My Chuang <my.chuang@mediatek.com>,
	Shawn Hsiao <shawn.hsiao@mediatek.com>,
	PeiLun Suei <peilun.suei@mediatek.com>,
	Liju Chen <liju-clr.chen@mediatek.com>,
	Willix Yeh <chi-shen.yeh@mediatek.com>,
	Kevenny Hsieh <kevenny.hsieh@mediatek.com>
Subject: Re: [PATCH v7 03/16] virt: geniezone: Add GenieZone hypervisor driver
Date: Fri, 17 Nov 2023 06:35:17 +0800	[thread overview]
Message-ID: <202311170638.aouOEHi7-lkp@intel.com> (raw)
In-Reply-To: <20231116152756.4250-4-yi-de.wu@mediatek.com>

Hi Yi-De,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.7-rc1 next-20231116]
[cannot apply to arm64/for-next/core robh/for-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/Yi-De-Wu/docs-geniezone-Introduce-GenieZone-hypervisor/20231116-233442
base:   linus/master
patch link:    https://lore.kernel.org/r/20231116152756.4250-4-yi-de.wu%40mediatek.com
patch subject: [PATCH v7 03/16] virt: geniezone: Add GenieZone hypervisor driver
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20231117/202311170638.aouOEHi7-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231117/202311170638.aouOEHi7-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311170638.aouOEHi7-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/arm64/geniezone/vm.c:25: warning: Function parameter or member 'a0' not described in 'gzvm_hypcall_wrapper'
>> arch/arm64/geniezone/vm.c:25: warning: Function parameter or member 'a1' not described in 'gzvm_hypcall_wrapper'
>> arch/arm64/geniezone/vm.c:25: warning: Function parameter or member 'a2' not described in 'gzvm_hypcall_wrapper'
>> arch/arm64/geniezone/vm.c:25: warning: Function parameter or member 'a3' not described in 'gzvm_hypcall_wrapper'
>> arch/arm64/geniezone/vm.c:25: warning: Function parameter or member 'a4' not described in 'gzvm_hypcall_wrapper'
>> arch/arm64/geniezone/vm.c:25: warning: Function parameter or member 'a5' not described in 'gzvm_hypcall_wrapper'
>> arch/arm64/geniezone/vm.c:25: warning: Function parameter or member 'a6' not described in 'gzvm_hypcall_wrapper'
>> arch/arm64/geniezone/vm.c:25: warning: Function parameter or member 'a7' not described in 'gzvm_hypcall_wrapper'

vim +25 arch/arm64/geniezone/vm.c

    12	
    13	/**
    14	 * gzvm_hypcall_wrapper() - the wrapper for hvc calls
    15	 * @a0-a7: arguments passed in registers 0 to 7
    16	 * @res: result values from registers 0 to 3
    17	 *
    18	 * Return: The wrapper helps caller to convert geniezone errno to Linux errno.
    19	 */
    20	int gzvm_hypcall_wrapper(unsigned long a0, unsigned long a1,
    21				 unsigned long a2, unsigned long a3,
    22				 unsigned long a4, unsigned long a5,
    23				 unsigned long a6, unsigned long a7,
    24				 struct arm_smccc_res *res)
  > 25	{
    26		arm_smccc_hvc(a0, a1, a2, a3, a4, a5, a6, a7, res);
    27		return gzvm_err_to_errno(res->a0);
    28	}
    29	

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https://github.com/intel/lkp-tests/wiki