vfio: Depend on MMU
VFIO_IOMMU_TYPE1 does not compile with !MMU: ../drivers/vfio/vfio_iommu_type1.c: In function 'follow_fault_pfn': ../drivers/vfio/vfio_iommu_type1.c:536:22: error: implicit declaration of function 'pte_write'; did you mean 'vfs_write'? [-Werror=implicit-function-declaration] So require it. Suggested-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Message-Id: <0-v1-02cb5500df6e+78-vfio_no_mmu_jgg@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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@ -22,7 +22,7 @@ config VFIO_VIRQFD
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menuconfig VFIO
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tristate "VFIO Non-Privileged userspace driver framework"
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select IOMMU_API
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select VFIO_IOMMU_TYPE1 if (X86 || S390 || ARM || ARM64)
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select VFIO_IOMMU_TYPE1 if MMU && (X86 || S390 || ARM || ARM64)
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help
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VFIO provides a framework for secure userspace device drivers.
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See Documentation/driver-api/vfio.rst for more details.
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