linux-kernel - [rcu:rcu/dev 114/116] drivers/iommu/amd_iommu.c:3566:21: sparse: symbol 'stupid_workaround' was not declared. Should it be static?

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Date:   Sat, 9 Jun 2018 04:11:26 +0800
From:   kbuild test robot <lkp@...el.com>
To:     "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org
Subject: [rcu:rcu/dev 114/116] drivers/iommu/amd_iommu.c:3566:21: sparse:
 symbol 'stupid_workaround' was not declared. Should it be static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/dev
head:   f20dfe840ba05efdc4071106cffa31cb67cf6bc8
commit: 814ee31d1f906ad00daccb58944ab16fa279690c [114/116] fixup! EXP iommu: Placeholder for fix in mainline
reproduce:
        # apt-get install sparse
        git checkout 814ee31d1f906ad00daccb58944ab16fa279690c
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

   drivers/iommu/amd_iommu.c:3539:30: sparse: expression using sizeof(void)
   drivers/iommu/amd_iommu.c:3542:36: sparse: expression using sizeof(void)
   drivers/iommu/amd_iommu.c:3542:36: sparse: expression using sizeof(void)
>> drivers/iommu/amd_iommu.c:3566:21: sparse: symbol 'stupid_workaround' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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