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authorAlex Williamson <alex.williamson@redhat.com>2013-06-21 09:38:11 -0600
committerAlex Williamson <alex.williamson@redhat.com>2013-06-21 09:38:11 -0600
commit5c6c2b21ecc9adfc47cfaf93404937b6ecd8395d (patch)
treee1ca8d286dcb07f99113924c90188000c01b1ad4 /Documentation/vfio.txt
parent166fd7d94afdac040b28c473e45241820ca522a2 (diff)
vfio: Provide module option to disable vfio_iommu_type1 hugepage support
Add a module option to vfio_iommu_type1 to disable IOMMU hugepage support. This causes iommu_map to only be called with single page mappings, disabling the IOMMU driver's ability to use hugepages. This option can be enabled by loading vfio_iommu_type1 with disable_hugepages=1 or dynamically through sysfs. If enabled dynamically, only new mappings are restricted. Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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