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From: kbuild test robot <lkp@intel.com>
To: Andra Paraschiv <andraprs@amazon.com>, linux-kernel@vger.kernel.org
Cc: kbuild-all@lists.01.org, Anthony Liguori <aliguori@amazon.com>,
	Benjamin Herrenschmidt <benh@amazon.com>,
	Colm MacCarthaigh <colmmacc@amazon.com>,
	Bjoern Doebel <doebel@amazon.de>,
	David Woodhouse <dwmw@amazon.co.uk>,
	Frank van der Linden <fllinden@amazon.com>,
	Alexander Graf <graf@amazon.de>,
	Martin Pohlack <mpohlack@amazon.de>, Matt Wilson <msw@amazon.com>
Subject: Re: [PATCH v1 14/15] nitro_enclaves: Add Makefile for the Nitro Enclaves driver
Date: Thu, 23 Apr 2020 16:43:58 +0800
Message-ID: <202004231644.xTmN4Z1z%lkp@intel.com> (raw)
In-Reply-To: <20200421184150.68011-15-andraprs@amazon.com>


[-- Attachment #1: Type: text/plain, Size: 9150 bytes --]

Hi Andra,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on linux/master v5.7-rc2 next-20200422]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Andra-Paraschiv/Add-support-for-Nitro-Enclaves/20200423-130814
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 18bf34080c4c3beb6699181986cc97dd712498fe
config: i386-allmodconfig (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from include/linux/device.h:15:0,
                    from drivers/virt/amazon/nitro_enclaves/ne_pci_dev.c:22:
   drivers/virt/amazon/nitro_enclaves/ne_pci_dev.c: In function 'ne_submit_request':
>> drivers/virt/amazon/nitro_enclaves/ne_pci_dev.c:80:9: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'size_t {aka unsigned int}' [-Wformat=]
            "Invalid req size=%ld for cmd type=%d\n",
            ^
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
    #define dev_fmt(fmt) fmt
                         ^~~
>> include/linux/dev_printk.h:167:3: note: in expansion of macro 'dev_err'
      dev_level(dev, fmt, ##__VA_ARGS__);   \
      ^~~~~~~~~
   include/linux/dev_printk.h:177:2: note: in expansion of macro 'dev_level_ratelimited'
     dev_level_ratelimited(dev_err, dev, fmt, ##__VA_ARGS__)
     ^~~~~~~~~~~~~~~~~~~~~
>> drivers/virt/amazon/nitro_enclaves/ne_pci_dev.c:79:3: note: in expansion of macro 'dev_err_ratelimited'
      dev_err_ratelimited(&pdev->dev,
      ^~~~~~~~~~~~~~~~~~~
   drivers/virt/amazon/nitro_enclaves/ne_pci_dev.c: In function 'ne_retrieve_reply':
   drivers/virt/amazon/nitro_enclaves/ne_pci_dev.c:121:35: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'size_t {aka unsigned int}' [-Wformat=]
      dev_err_ratelimited(&pdev->dev, "Invalid reply size=%ld\n",
                                      ^
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
    #define dev_fmt(fmt) fmt
                         ^~~
>> include/linux/dev_printk.h:167:3: note: in expansion of macro 'dev_err'
      dev_level(dev, fmt, ##__VA_ARGS__);   \
      ^~~~~~~~~
   include/linux/dev_printk.h:177:2: note: in expansion of macro 'dev_level_ratelimited'
     dev_level_ratelimited(dev_err, dev, fmt, ##__VA_ARGS__)
     ^~~~~~~~~~~~~~~~~~~~~
   drivers/virt/amazon/nitro_enclaves/ne_pci_dev.c:121:3: note: in expansion of macro 'dev_err_ratelimited'
      dev_err_ratelimited(&pdev->dev, "Invalid reply size=%ld\n",
      ^~~~~~~~~~~~~~~~~~~
   drivers/virt/amazon/nitro_enclaves/ne_pci_dev.c: In function 'ne_do_request':
   drivers/virt/amazon/nitro_enclaves/ne_pci_dev.c:193:9: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'size_t {aka unsigned int}' [-Wformat=]
            "Invalid req size=%ld for cmd type=%d\n",
            ^
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
    #define dev_fmt(fmt) fmt
                         ^~~
>> include/linux/dev_printk.h:167:3: note: in expansion of macro 'dev_err'
      dev_level(dev, fmt, ##__VA_ARGS__);   \
      ^~~~~~~~~
   include/linux/dev_printk.h:177:2: note: in expansion of macro 'dev_level_ratelimited'
     dev_level_ratelimited(dev_err, dev, fmt, ##__VA_ARGS__)
     ^~~~~~~~~~~~~~~~~~~~~
   drivers/virt/amazon/nitro_enclaves/ne_pci_dev.c:192:3: note: in expansion of macro 'dev_err_ratelimited'
      dev_err_ratelimited(&pdev->dev,
      ^~~~~~~~~~~~~~~~~~~
   drivers/virt/amazon/nitro_enclaves/ne_pci_dev.c:203:35: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'size_t {aka unsigned int}' [-Wformat=]
      dev_err_ratelimited(&pdev->dev, "Invalid reply size=%ld\n",
                                      ^
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
    #define dev_fmt(fmt) fmt
                         ^~~
>> include/linux/dev_printk.h:167:3: note: in expansion of macro 'dev_err'
      dev_level(dev, fmt, ##__VA_ARGS__);   \
      ^~~~~~~~~
   include/linux/dev_printk.h:177:2: note: in expansion of macro 'dev_level_ratelimited'
     dev_level_ratelimited(dev_err, dev, fmt, ##__VA_ARGS__)
     ^~~~~~~~~~~~~~~~~~~~~
   drivers/virt/amazon/nitro_enclaves/ne_pci_dev.c:203:3: note: in expansion of macro 'dev_err_ratelimited'
      dev_err_ratelimited(&pdev->dev, "Invalid reply size=%ld\n",
      ^~~~~~~~~~~~~~~~~~~

vim +80 drivers/virt/amazon/nitro_enclaves/ne_pci_dev.c

0ed609272739ee Andra Paraschiv 2020-04-21  42  
08a5a524ab0b6c Andra Paraschiv 2020-04-21  43  /**
08a5a524ab0b6c Andra Paraschiv 2020-04-21  44   * ne_submit_request - Submit command request to the PCI device based on the
08a5a524ab0b6c Andra Paraschiv 2020-04-21  45   * command type.
08a5a524ab0b6c Andra Paraschiv 2020-04-21  46   *
08a5a524ab0b6c Andra Paraschiv 2020-04-21  47   * This function gets called with the ne_pci_dev mutex held.
08a5a524ab0b6c Andra Paraschiv 2020-04-21  48   *
08a5a524ab0b6c Andra Paraschiv 2020-04-21  49   * @pdev: PCI device to send the command to.
08a5a524ab0b6c Andra Paraschiv 2020-04-21  50   * @cmd_type: command type of the request sent to the PCI device.
08a5a524ab0b6c Andra Paraschiv 2020-04-21  51   * @cmd_request: command request payload.
08a5a524ab0b6c Andra Paraschiv 2020-04-21  52   * @cmd_request_size: size of the command request payload.
08a5a524ab0b6c Andra Paraschiv 2020-04-21  53   *
08a5a524ab0b6c Andra Paraschiv 2020-04-21  54   * @returns: 0 on success, negative return value on failure.
08a5a524ab0b6c Andra Paraschiv 2020-04-21  55   */
08a5a524ab0b6c Andra Paraschiv 2020-04-21  56  static int ne_submit_request(struct pci_dev *pdev,
08a5a524ab0b6c Andra Paraschiv 2020-04-21  57  			     enum ne_pci_dev_cmd_type cmd_type,
08a5a524ab0b6c Andra Paraschiv 2020-04-21  58  			     void *cmd_request, size_t cmd_request_size)
08a5a524ab0b6c Andra Paraschiv 2020-04-21  59  {
08a5a524ab0b6c Andra Paraschiv 2020-04-21  60  	struct ne_pci_dev *ne_pci_dev = NULL;
08a5a524ab0b6c Andra Paraschiv 2020-04-21  61  
08a5a524ab0b6c Andra Paraschiv 2020-04-21  62  	BUG_ON(!pdev);
08a5a524ab0b6c Andra Paraschiv 2020-04-21  63  
08a5a524ab0b6c Andra Paraschiv 2020-04-21  64  	ne_pci_dev = pci_get_drvdata(pdev);
08a5a524ab0b6c Andra Paraschiv 2020-04-21  65  	BUG_ON(!ne_pci_dev);
08a5a524ab0b6c Andra Paraschiv 2020-04-21  66  	BUG_ON(!ne_pci_dev->iomem_base);
08a5a524ab0b6c Andra Paraschiv 2020-04-21  67  
08a5a524ab0b6c Andra Paraschiv 2020-04-21  68  	if (WARN_ON(cmd_type <= INVALID_CMD || cmd_type >= MAX_CMD)) {
08a5a524ab0b6c Andra Paraschiv 2020-04-21  69  		dev_err_ratelimited(&pdev->dev, "Invalid cmd type=%d\n",
08a5a524ab0b6c Andra Paraschiv 2020-04-21  70  				    cmd_type);
08a5a524ab0b6c Andra Paraschiv 2020-04-21  71  
08a5a524ab0b6c Andra Paraschiv 2020-04-21  72  		return -EINVAL;
08a5a524ab0b6c Andra Paraschiv 2020-04-21  73  	}
08a5a524ab0b6c Andra Paraschiv 2020-04-21  74  
08a5a524ab0b6c Andra Paraschiv 2020-04-21  75  	if (WARN_ON(!cmd_request))
08a5a524ab0b6c Andra Paraschiv 2020-04-21  76  		return -EINVAL;
08a5a524ab0b6c Andra Paraschiv 2020-04-21  77  
08a5a524ab0b6c Andra Paraschiv 2020-04-21  78  	if (WARN_ON(cmd_request_size > NE_SEND_DATA_SIZE)) {
08a5a524ab0b6c Andra Paraschiv 2020-04-21 @79  		dev_err_ratelimited(&pdev->dev,
08a5a524ab0b6c Andra Paraschiv 2020-04-21 @80  				    "Invalid req size=%ld for cmd type=%d\n",
08a5a524ab0b6c Andra Paraschiv 2020-04-21  81  				    cmd_request_size, cmd_type);
08a5a524ab0b6c Andra Paraschiv 2020-04-21  82  
08a5a524ab0b6c Andra Paraschiv 2020-04-21  83  		return -EINVAL;
08a5a524ab0b6c Andra Paraschiv 2020-04-21  84  	}
08a5a524ab0b6c Andra Paraschiv 2020-04-21  85  
08a5a524ab0b6c Andra Paraschiv 2020-04-21  86  	memcpy_toio(ne_pci_dev->iomem_base + NE_SEND_DATA, cmd_request,
08a5a524ab0b6c Andra Paraschiv 2020-04-21  87  		    cmd_request_size);
08a5a524ab0b6c Andra Paraschiv 2020-04-21  88  
08a5a524ab0b6c Andra Paraschiv 2020-04-21  89  	iowrite32(cmd_type, ne_pci_dev->iomem_base + NE_COMMAND);
08a5a524ab0b6c Andra Paraschiv 2020-04-21  90  
08a5a524ab0b6c Andra Paraschiv 2020-04-21  91  	return 0;
08a5a524ab0b6c Andra Paraschiv 2020-04-21  92  }
08a5a524ab0b6c Andra Paraschiv 2020-04-21  93  

:::::: The code at line 80 was first introduced by commit
:::::: 08a5a524ab0b6c939997c8d44b4d07e5ee97e91d nitro_enclaves: Handle PCI device command requests

:::::: TO: Andra Paraschiv <andraprs@amazon.com>
:::::: CC: 0day robot <lkp@intel.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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  parent reply index

Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-21 18:41 [PATCH v1 00/15] Add support for Nitro Enclaves Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 01/15] nitro_enclaves: Add ioctl interface definition Andra Paraschiv
2020-04-21 18:47   ` Randy Dunlap
2020-04-21 21:45     ` Paolo Bonzini
2020-04-22 15:49       ` Paraschiv, Andra-Irina
2020-04-21 18:41 ` [PATCH v1 02/15] nitro_enclaves: Define the PCI device interface Andra Paraschiv
2020-04-21 21:22   ` Paolo Bonzini
2020-04-23 13:37     ` Paraschiv, Andra-Irina
2020-04-24 15:10       ` Paraschiv, Andra-Irina
2020-04-21 18:41 ` [PATCH v1 03/15] nitro_enclaves: Define enclave info for internal bookkeeping Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 04/15] nitro_enclaves: Init PCI device driver Andra Paraschiv
2020-04-25 14:25   ` Liran Alon
2020-04-29 16:31     ` Paraschiv, Andra-Irina
2020-04-21 18:41 ` [PATCH v1 05/15] nitro_enclaves: Handle PCI device command requests Andra Paraschiv
2020-04-25 14:52   ` Liran Alon
2020-04-29 17:00     ` Paraschiv, Andra-Irina
2020-04-21 18:41 ` [PATCH v1 06/15] nitro_enclaves: Handle out-of-band PCI device events Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 07/15] nitro_enclaves: Init misc device providing the ioctl interface Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 08/15] nitro_enclaves: Add logic for enclave vm creation Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 09/15] nitro_enclaves: Add logic for enclave vcpu creation Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 10/15] nitro_enclaves: Add logic for enclave memory region set Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 11/15] nitro_enclaves: Add logic for enclave start Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 12/15] nitro_enclaves: Add logic for enclave termination Andra Paraschiv
2020-04-21 18:41 ` [PATCH v1 13/15] nitro_enclaves: Add Kconfig for the Nitro Enclaves driver Andra Paraschiv
2020-04-21 18:50   ` Randy Dunlap
2020-04-22 14:35     ` Paraschiv, Andra-Irina
2020-04-21 18:41 ` [PATCH v1 14/15] nitro_enclaves: Add Makefile " Andra Paraschiv
2020-04-23  8:12   ` kbuild test robot
2020-04-24 17:00     ` Paraschiv, Andra-Irina
2020-04-23  8:43   ` kbuild test robot [this message]
2020-04-24 15:27     ` Paraschiv, Andra-Irina
2020-04-21 18:41 ` [PATCH v1 15/15] MAINTAINERS: Add entry " Andra Paraschiv
2020-04-21 21:46 ` [PATCH v1 00/15] Add support for Nitro Enclaves Paolo Bonzini
2020-04-23 13:19   ` Paraschiv, Andra-Irina
2020-04-23 13:42     ` Paolo Bonzini
2020-04-23 17:42       ` Paraschiv, Andra-Irina
2020-04-23 17:51         ` Paolo Bonzini
2020-04-23 20:56           ` Alexander Graf
2020-04-23 21:18             ` Paolo Bonzini
2020-04-24 12:56               ` Alexander Graf
2020-04-24 16:27                 ` Paolo Bonzini
2020-04-24 19:11                   ` Alexander Graf
2020-04-25 16:05                     ` Paolo Bonzini
2020-04-27  9:15                       ` Paraschiv, Andra-Irina
2020-04-27  9:22                       ` Paraschiv, Andra-Irina
2020-04-27  9:46                         ` Paolo Bonzini
2020-04-27 10:00                           ` Paraschiv, Andra-Irina
2020-04-28 15:07                       ` Alexander Graf
2020-04-29 13:20                         ` Paolo Bonzini
2020-04-30 13:59                           ` Paraschiv, Andra-Irina
2020-04-30 10:34                         ` Paolo Bonzini
2020-04-30 11:21                           ` Alexander Graf
2020-04-30 11:38                             ` Paolo Bonzini
2020-04-30 11:47                               ` Alexander Graf
2020-04-30 11:58                                 ` Paolo Bonzini
2020-04-30 12:19                                   ` Alexander Graf
2020-05-07 17:44       ` Pavel Machek
2020-05-08  7:00         ` Paraschiv, Andra-Irina
2020-05-09 19:21           ` Pavel Machek
2020-05-10 11:02             ` Herrenschmidt, Benjamin
2020-05-11 10:49               ` Paraschiv, Andra-Irina
2020-05-11 13:49               ` Stefan Hajnoczi
2020-04-24  3:04     ` Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
2020-04-24  8:19       ` Paraschiv, Andra-Irina
2020-04-24  9:54         ` Paraschiv, Andra-Irina
2020-04-26  1:55           ` Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
2020-04-27 18:39             ` Paraschiv, Andra-Irina
2020-04-24  9:59     ` Tian, Kevin
2020-04-24 13:59       ` Paraschiv, Andra-Irina
2020-04-26  8:16         ` Tian, Kevin
2020-04-27 19:05           ` Paraschiv, Andra-Irina
     [not found]         ` <CAKXe6SLonLQLAOY9Q_2AzTeg4uJxiknsAWnJpTF0hMcXEG5Tew@mail.gmail.com>
2020-05-11 12:05           ` Paraschiv, Andra-Irina
2020-04-25 15:25     ` Liran Alon
2020-04-27  7:56       ` Paraschiv, Andra-Irina
2020-04-27 11:44         ` Liran Alon
2020-04-28 15:25           ` Alexander Graf
2020-04-28 16:01             ` Liran Alon

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