linux-kernel - Re: [PATCHv8] x86/PCI: Initial commit for new VMD device driver

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Date:	Wed, 13 Jan 2016 01:40:33 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Keith Busch <keith.busch@...el.com>
Cc:	kbuild-all@...org, LKML <linux-kernel@...r.kernel.org>,
	x86@...nel.org, linux-pci@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Bryan Veal <bryan.e.veal@...el.com>,
	Jon Derrick <jonathan.derrick@...el.com>,
	Keith Busch <keith.busch@...el.com>
Subject: Re: [PATCHv8] x86/PCI: Initial commit for new VMD device driver

Hi Keith,

[auto build test ERROR on tip/x86/core]
[also build test ERROR on v4.4 next-20160112]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Keith-Busch/x86-PCI-Initial-commit-for-new-VMD-device-driver/20160113-003207
config: x86_64-allmodconfig (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

>> arch/x86/pci/vmd.c:85:20: error: field 'dma_domain' has incomplete type
     struct dma_domain dma_domain;
                       ^
   arch/x86/pci/vmd.c: In function 'vmd_teardown_dma_ops':
>> arch/x86/pci/vmd.c:372:3: error: implicit declaration of function 'del_dma_domain' [-Werror=implicit-function-declaration]
      del_dma_domain(domain);
      ^
   arch/x86/pci/vmd.c: In function 'vmd_setup_dma_ops':
>> arch/x86/pci/vmd.c:387:8: error: dereferencing pointer to incomplete type 'struct dma_domain'
     domain->domain_nr = vmd->sysdata.domain;
           ^
>> arch/x86/pci/vmd.c:409:2: error: implicit declaration of function 'add_dma_domain' [-Werror=implicit-function-declaration]
     add_dma_domain(domain);
     ^
   arch/x86/pci/vmd.c: In function 'vmd_enable_domain':
   arch/x86/pci/vmd.c:559:2: error: implicit declaration of function 'dev_set_msi_domain' [-Werror=implicit-function-declaration]
     dev_set_msi_domain(&vmd->bus->dev, vmd->irq_domain);
     ^
   cc1: some warnings being treated as errors

vim +/dma_domain +85 arch/x86/pci/vmd.c

    79		struct resource		resources[3];
    80		struct irq_domain	*irq_domain;
    81		struct pci_bus		*bus;
    82	
    83	#ifdef CONFIG_X86_DEV_DMA_OPS
    84		struct dma_map_ops	dma_ops;
  > 85		struct dma_domain	dma_domain;
    86	#endif
    87	};
    88	

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