netdev - Re: [PATCH net-next 1/8] virtio: introduce virtio_features

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Message-ID: <202505221621.MhvgnFni-lkp@intel.com>
Date: Thu, 22 May 2025 16:17:42 +0800
From: kernel test robot <lkp@...el.com>
To: Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Willem de Bruijn <willemdebruijn.kernel@...il.com>,
	Jason Wang <jasowang@...hat.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
	Eugenio Pérez <eperezma@...hat.com>
Subject: Re: [PATCH net-next 1/8] virtio: introduce virtio_features_t

Hi Paolo,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Paolo-Abeni/virtio-introduce-virtio_features_t/20250521-183700
base:   net-next/main
patch link:    https://lore.kernel.org/r/9a1c198245370c3ec403f14d118cd841df0fcfee.1747822866.git.pabeni%40redhat.com
patch subject: [PATCH net-next 1/8] virtio: introduce virtio_features_t
config: x86_64-buildonly-randconfig-001-20250522 (https://download.01.org/0day-ci/archive/20250522/202505221621.MhvgnFni-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250522/202505221621.MhvgnFni-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/202505221621.MhvgnFni-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/remoteproc/remoteproc_virtio.c:328:18: error: incompatible function pointer types initializing 'virtio_features_t (*)(struct virtio_device *)' (aka 'unsigned __int128 (*)(struct virtio_device *)') with an expression of type 'u64 (struct virtio_device *)' (aka 'unsigned long long (struct virtio_device *)') [-Wincompatible-function-pointer-types]
     328 |         .get_features   = rproc_virtio_get_features,
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~
   1 error generated.


vim +328 drivers/remoteproc/remoteproc_virtio.c

ac8954a413930d drivers/remoteproc/remoteproc_rpmsg.c  Ohad Ben-Cohen    2011-10-20  326  
9350393239153c drivers/remoteproc/remoteproc_virtio.c Stephen Hemminger 2013-02-10  327  static const struct virtio_config_ops rproc_virtio_config_ops = {
ac8954a413930d drivers/remoteproc/remoteproc_rpmsg.c  Ohad Ben-Cohen    2011-10-20 @328  	.get_features	= rproc_virtio_get_features,
ac8954a413930d drivers/remoteproc/remoteproc_rpmsg.c  Ohad Ben-Cohen    2011-10-20  329  	.finalize_features = rproc_virtio_finalize_features,
b49503eaf9c74c drivers/remoteproc/remoteproc_virtio.c Jiri Pirko        2024-07-08  330  	.find_vqs	= rproc_virtio_find_vqs,
ac8954a413930d drivers/remoteproc/remoteproc_rpmsg.c  Ohad Ben-Cohen    2011-10-20  331  	.del_vqs	= rproc_virtio_del_vqs,
ac8954a413930d drivers/remoteproc/remoteproc_rpmsg.c  Ohad Ben-Cohen    2011-10-20  332  	.reset		= rproc_virtio_reset,
ac8954a413930d drivers/remoteproc/remoteproc_rpmsg.c  Ohad Ben-Cohen    2011-10-20  333  	.set_status	= rproc_virtio_set_status,
ac8954a413930d drivers/remoteproc/remoteproc_rpmsg.c  Ohad Ben-Cohen    2011-10-20  334  	.get_status	= rproc_virtio_get_status,
92b38f851470f8 drivers/remoteproc/remoteproc_virtio.c Sjur Brændeland   2013-02-21  335  	.get		= rproc_virtio_get,
92b38f851470f8 drivers/remoteproc/remoteproc_virtio.c Sjur Brændeland   2013-02-21  336  	.set		= rproc_virtio_set,
ac8954a413930d drivers/remoteproc/remoteproc_rpmsg.c  Ohad Ben-Cohen    2011-10-20  337  };
ac8954a413930d drivers/remoteproc/remoteproc_rpmsg.c  Ohad Ben-Cohen    2011-10-20  338  

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