Re: [PATCH 7/8] ethosu: Add core message about inference cancellation

[kernel test robot <lkp@intel.com>]

Hi Alison,

kernel test robot noticed the following build warnings:

[auto build test WARNING on soc/for-next]
[also build test WARNING on linus/master v6.4-rc6 next-20230616]
[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/Alison-Wang/ethosu-Add-Arm-Ethos-U-driver/20230616-141036
base:   https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next
patch link:    https://lore.kernel.org/r/20230616055913.2360-8-alison.wang%40nxp.com
patch subject: [PATCH 7/8] ethosu: Add core message about inference cancellation
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20230616/202306162318.xhEoGf1L-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230616/202306162318.xhEoGf1L-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/202306162318.xhEoGf1L-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/firmware/ethosu/ethosu_network.c: In function 'ethosu_network_ioctl':
>> drivers/firmware/ethosu/ethosu_network.c:149:1: warning: the frame size of 1580 bytes is larger than 1024 bytes [-Wframe-larger-than=]
     149 | }
         | ^


vim +149 drivers/firmware/ethosu/ethosu_network.c

e66deaf1b03f9c Alison Wang 2023-06-16   91  
e66deaf1b03f9c Alison Wang 2023-06-16   92  static long ethosu_network_ioctl(struct file *file,
e66deaf1b03f9c Alison Wang 2023-06-16   93  				 unsigned int cmd,
e66deaf1b03f9c Alison Wang 2023-06-16   94  				 unsigned long arg)
e66deaf1b03f9c Alison Wang 2023-06-16   95  {
e66deaf1b03f9c Alison Wang 2023-06-16   96  	struct ethosu_network *net = file->private_data;
e66deaf1b03f9c Alison Wang 2023-06-16   97  	void __user *udata = (void __user *)arg;
e66deaf1b03f9c Alison Wang 2023-06-16   98  	int ret = -EINVAL;
e66deaf1b03f9c Alison Wang 2023-06-16   99  
e66deaf1b03f9c Alison Wang 2023-06-16  100  	ret = mutex_lock_interruptible(&net->edev->mutex);
e66deaf1b03f9c Alison Wang 2023-06-16  101  	if (ret)
e66deaf1b03f9c Alison Wang 2023-06-16  102  		return ret;
e66deaf1b03f9c Alison Wang 2023-06-16  103  
5d698f8bcb8aa1 Alison Wang 2023-06-16  104  	dev_dbg(net->edev->dev,
5d698f8bcb8aa1 Alison Wang 2023-06-16  105  		"Network ioctl: file=0x%pK, net=0x%pK, cmd=0x%x, arg=0x%lx\n",
5d698f8bcb8aa1 Alison Wang 2023-06-16  106  		file, net, cmd, arg);
e66deaf1b03f9c Alison Wang 2023-06-16  107  
e66deaf1b03f9c Alison Wang 2023-06-16  108  	switch (cmd) {
9bdfe23d58ca27 Alison Wang 2023-06-16  109  	case ETHOSU_IOCTL_NETWORK_INFO: {
9bdfe23d58ca27 Alison Wang 2023-06-16  110  		struct ethosu_uapi_network_info uapi;
9bdfe23d58ca27 Alison Wang 2023-06-16  111  
9bdfe23d58ca27 Alison Wang 2023-06-16  112  		if (copy_from_user(&uapi, udata, sizeof(uapi)))
9bdfe23d58ca27 Alison Wang 2023-06-16  113  			break;
9bdfe23d58ca27 Alison Wang 2023-06-16  114  
9bdfe23d58ca27 Alison Wang 2023-06-16  115  		dev_dbg(net->edev->dev,
9bdfe23d58ca27 Alison Wang 2023-06-16  116  			 "Network ioctl: Network info. net=0x%pK\n",
9bdfe23d58ca27 Alison Wang 2023-06-16  117  			 net);
9bdfe23d58ca27 Alison Wang 2023-06-16  118  
9bdfe23d58ca27 Alison Wang 2023-06-16  119  		ret = ethosu_network_info_request(net, &uapi);
9bdfe23d58ca27 Alison Wang 2023-06-16  120  		if (ret)
9bdfe23d58ca27 Alison Wang 2023-06-16  121  			break;
9bdfe23d58ca27 Alison Wang 2023-06-16  122  
9bdfe23d58ca27 Alison Wang 2023-06-16  123  		ret = copy_to_user(udata, &uapi, sizeof(uapi)) ? -EFAULT : 0;
9bdfe23d58ca27 Alison Wang 2023-06-16  124  		break;
9bdfe23d58ca27 Alison Wang 2023-06-16  125  	}
e66deaf1b03f9c Alison Wang 2023-06-16  126  	case ETHOSU_IOCTL_INFERENCE_CREATE: {
e66deaf1b03f9c Alison Wang 2023-06-16  127  		struct ethosu_uapi_inference_create uapi;
e66deaf1b03f9c Alison Wang 2023-06-16  128  
e66deaf1b03f9c Alison Wang 2023-06-16  129  		if (copy_from_user(&uapi, udata, sizeof(uapi)))
e66deaf1b03f9c Alison Wang 2023-06-16  130  			break;
e66deaf1b03f9c Alison Wang 2023-06-16  131  
5d698f8bcb8aa1 Alison Wang 2023-06-16  132  		dev_dbg(net->edev->dev,
5d698f8bcb8aa1 Alison Wang 2023-06-16  133  			"Network ioctl: Inference. ifm_fd=%u, ofm_fd=%u\n",
e66deaf1b03f9c Alison Wang 2023-06-16  134  			uapi.ifm_fd[0], uapi.ofm_fd[0]);
e66deaf1b03f9c Alison Wang 2023-06-16  135  
e66deaf1b03f9c Alison Wang 2023-06-16  136  		ret = ethosu_inference_create(net->edev, net, &uapi);
e66deaf1b03f9c Alison Wang 2023-06-16  137  		break;
e66deaf1b03f9c Alison Wang 2023-06-16  138  	}
e66deaf1b03f9c Alison Wang 2023-06-16  139  	default: {
e66deaf1b03f9c Alison Wang 2023-06-16  140  		dev_err(net->edev->dev, "Invalid ioctl. cmd=%u, arg=%lu",
e66deaf1b03f9c Alison Wang 2023-06-16  141  			cmd, arg);
e66deaf1b03f9c Alison Wang 2023-06-16  142  		break;
e66deaf1b03f9c Alison Wang 2023-06-16  143  	}
e66deaf1b03f9c Alison Wang 2023-06-16  144  	}
e66deaf1b03f9c Alison Wang 2023-06-16  145  
e66deaf1b03f9c Alison Wang 2023-06-16  146  	mutex_unlock(&net->edev->mutex);
e66deaf1b03f9c Alison Wang 2023-06-16  147  
e66deaf1b03f9c Alison Wang 2023-06-16  148  	return ret;
e66deaf1b03f9c Alison Wang 2023-06-16 @149  }
e66deaf1b03f9c Alison Wang 2023-06-16  150  

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