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Date:   Fri, 6 Apr 2018 03:57:28 +0800
From:   kbuild test robot <>
To:     Gary R Hook <>
Subject: Re: [PATCH v2 2/2] iommu/amd: Add basic debugfs infrastructure for

Hi Gary,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on iommu/next]
[also build test ERROR on v4.16 next-20180405]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

base: next
config: x86_64-randconfig-s2-04060234 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers//iommu/amd_iommu_debugfs.c: In function 'amd_iommu_debugfs_setup':
>> drivers//iommu/amd_iommu_debugfs.c:31:11: error: implicit declaration of function 'iommu_debugfs_setup' [-Werror=implicit-function-declaration]
      d_top = iommu_debugfs_setup();
   drivers//iommu/amd_iommu_debugfs.c:31:9: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
      d_top = iommu_debugfs_setup();
   cc1: some warnings being treated as errors

vim +/iommu_debugfs_setup +31 drivers//iommu/amd_iommu_debugfs.c

    21	void amd_iommu_debugfs_setup(struct amd_iommu *iommu)
    22	{
    23		char name[MAX_NAME_LEN + 1];
    24		struct dentry *d_top;
    26		if (!debugfs_initialized())
    27			return;
    29		mutex_lock(&amd_iommu_debugfs_lock);
    30		if (!amd_iommu_debugfs) {
  > 31			d_top = iommu_debugfs_setup();

0-DAY kernel test infrastructure                Open Source Technology Center                   Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (28736 bytes)

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