diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2011-11-24 16:21:52 +0100 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2011-12-14 12:09:17 +0100 |
| commit | 8736b2c331030733c5d619170dc6e9ef211a4039 (patch) | |
| tree | 33a16976842200dc173a55d13c61e7f592ef485d /drivers/iommu/Kconfig | |
| parent | iommu/amd: Implement IO page-fault handler (diff) | |
| download | linux-8736b2c331030733c5d619170dc6e9ef211a4039.tar.xz linux-8736b2c331030733c5d619170dc6e9ef211a4039.zip | |
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 e608a36bb0b1..6bea6962f8ee 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 |