iommu/virtio: Build virtio-iommu as module (fa4afd78) · Commits · 戴 / test

Now that the infrastructure changes are in place, enable virtio-iommu to be built as a module. Remove the redundant pci_request_acs() call, since it's not exported but is already invoked during DMA setup. Signed-off-by:

Jean-Philippe Brucker <jean-philippe.brucker@arm.com> Signed-off-by:

Joerg Roedel <jroedel@suse.de>

drivers/iommu/Kconfig

+2 −2

Original line number	Diff line number	Diff line
		@@ -506,8 +506,8 @@ config HYPERV_IOMMU
		guests to run with x2APIC mode enabled.

		config VIRTIO_IOMMU
		bool "Virtio IOMMU driver"
		depends on VIRTIO=y
		tristate "Virtio IOMMU driver"
		depends on VIRTIO
		depends on ARM64
		select IOMMU_API
		select INTERVAL_TREE

drivers/iommu/virtio-iommu.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -1082,7 +1082,6 @@ static int viommu_probe(struct virtio_device *vdev)

		#ifdef CONFIG_PCI
		if (pci_bus_type.iommu_ops != &viommu_ops) {
		pci_request_acs();
		ret = bus_set_iommu(&pci_bus_type, &viommu_ops);
		if (ret)
		goto err_unregister;

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