linux-kernel - Re: [PATCH v2] iommu/amd: Override wrong IVRS IOAPIC on Raven Ridge systems

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Date:   Mon, 19 Aug 2019 14:56:04 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     kbuild-all@...org, joro@...tes.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        Kai-Heng Feng <kai.heng.feng@...onical.com>
Subject: Re: [PATCH v2] iommu/amd: Override wrong IVRS IOAPIC on Raven Ridge
 systems

Hi Kai-Heng,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.3-rc5 next-20190816]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Kai-Heng-Feng/iommu-amd-Override-wrong-IVRS-IOAPIC-on-Raven-Ridge-systems/20190819-133843
config: x86_64-randconfig-f001-201933 (attached as .config)
compiler: gcc-7 (Debian 7.4.0-10) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> drivers//iommu/amd_iommu_quirks.c:87:13: error: redefinition of 'amd_iommu_apply_ivrs_quirks'
    void __init amd_iommu_apply_ivrs_quirks(void)
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers//iommu/amd_iommu_quirks.c:11:0:
   drivers//iommu/amd_iommu.h:11:13: note: previous definition of 'amd_iommu_apply_ivrs_quirks' was here
    static void amd_iommu_apply_ivrs_quirks(void) { }
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers//iommu/amd_iommu.h:11:13: warning: 'amd_iommu_apply_ivrs_quirks' defined but not used [-Wunused-function]

vim +/amd_iommu_apply_ivrs_quirks +87 drivers//iommu/amd_iommu_quirks.c

    86	
  > 87	void __init amd_iommu_apply_ivrs_quirks(void)

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