linux-kernel - Re: [PATCH 2/2] hwrng: Add support for Nitro Secure Module

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Date:   Fri, 29 Sep 2023 11:49:13 +0800
From:   kernel test robot <lkp@...el.com>
To:     Alexander Graf <graf@...zon.com>, linux-crypto@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Olivia Mackall <olivia@...enic.com>,
        Petre Eftime <petre.eftime@...il.com>,
        Erdem Meydanlli <meydanli@...zon.nl>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        David Woodhouse <dwmw@...zon.co.uk>,
        "Michael S . Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Subject: Re: [PATCH 2/2] hwrng: Add support for Nitro Secure Module

Hi Alexander,

kernel test robot noticed the following build warnings:

[auto build test WARNING on char-misc/char-misc-testing]
[also build test WARNING on char-misc/char-misc-next char-misc/char-misc-linus herbert-cryptodev-2.6/master soc/for-next linus/master v6.6-rc3 next-20230928]
[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/Alexander-Graf/misc-Add-Nitro-Secure-Module-driver/20230929-064844
base:   char-misc/char-misc-testing
patch link:    https://lore.kernel.org/r/20230928224645.19768-3-graf%40amazon.com
patch subject: [PATCH 2/2] hwrng: Add support for Nitro Secure Module
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230929/202309291132.Cr0muwNb-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230929/202309291132.Cr0muwNb-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/202309291132.Cr0muwNb-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/char/hw_random/nsm-rng.c:275:38: warning: 'nsm_id_table' defined but not used [-Wunused-const-variable=]
     275 | static const struct virtio_device_id nsm_id_table[] = {
         |                                      ^~~~~~~~~~~~


vim +/nsm_id_table +275 drivers/char/hw_random/nsm-rng.c

   274	
 > 275	static const struct virtio_device_id nsm_id_table[] = {
   276		{ VIRTIO_ID_NITRO_SEC_MOD, VIRTIO_DEV_ANY_ID },
   277		{ 0 },
   278	};
   279	

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