diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2011-11-24 16:21:52 +0100 |
|---|---|---|
| committer | Hiroshi DOYU <hdoyu@nvidia.com> | 2012-01-23 11:11:41 +0200 |
| commit | 944ab5bd9f24968c50cb42ddbd4c4cd0ac3e3ff2 (patch) | |
| tree | 560bda03ee767994d9db8fa995188134df14fe05 /drivers/iommu/Kconfig | |
| parent | 8c51fa8e689039dc3f069511da1a058cbcb825e7 (diff) | |
iommu/amd: Implement notifiers for IOMMUv2
Since pages are not pinned anymore we need notifications
when the VMM changes the page-tables. Use mmu_notifiers for
that.
Also use the task_exit notifier from the profiling subsystem
to shutdown all contexts related to this task.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/Kconfig')
| -rw-r--r-- | drivers/iommu/Kconfig | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 2dcf984d8400..61038cf06ec9 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -62,7 +62,8 @@ config AMD_IOMMU_STATS config AMD_IOMMU_V2 tristate "AMD IOMMU Version 2 driver (EXPERIMENTAL)" - depends on AMD_IOMMU && EXPERIMENTAL + depends on AMD_IOMMU && PROFILING && EXPERIMENTAL + select MMU_NOTIFIER ---help--- This option enables support for the AMD IOMMUv2 features of the IOMMU hardware. Select this option if you want to use devices that support |