On 14/02/2020 4:04 pm, Jean-Philippe Brucker wrote:
With the built-in topology description in place, x86 platforms can now use the virtio-iommu. Signed-off-by: Jean-Philippe Brucker <jean-philippe@xxxxxxxxxx> --- drivers/iommu/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 068d4e0e3541..adcbda44d473 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -508,8 +508,9 @@ config HYPERV_IOMMU config VIRTIO_IOMMU bool "Virtio IOMMU driver" depends on VIRTIO=y - depends on ARM64 + depends on (ARM64 || X86) select IOMMU_API + select IOMMU_DMA
Can that have an "if X86" for clarity? AIUI it's not necessary for virtio-iommu itself (and really shouldn't be), but is merely to satisfy the x86 arch code's expectation that IOMMU drivers bring their own DMA ops, right?
Robin.
select INTERVAL_TREE help Para-virtualised IOMMU driver with virtio.
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