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pci-passthrough: reword iommu since it is now always enabled by default

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Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
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Aaron Lauterer 2024-10-29 17:55:43 +01:00
parent 816ee5434a
commit 4d318fb1cd
1 changed files with 5 additions and 5 deletions
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qm-pci-passthrough.adoc
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@ -63,19 +63,19 @@ some configuration to enable PCI(e) passthrough.
.IOMMU .IOMMU
First, you will have to enable IOMMU support in your BIOS/UEFI. Usually the You will have to enable IOMMU support in your BIOS/UEFI. Usually the
corresponding setting is called `IOMMU` or `VT-d`, but you should find the exact corresponding setting is called `IOMMU` or `VT-d`, but you should find the exact
option name in the manual of your motherboard. option name in the manual of your motherboard.
For Intel CPUs, you also need to enable the IOMMU on the With AMD CPUs IOMMU is enabled by default. With recent kernels (6.8 or newer),
xref:sysboot_edit_kernel_cmdline[kernel command line] kernels by adding: this is also true for Intel CPUs. On older kernels, it is necessary to enable
it on Intel CPUs via the
xref:sysboot_edit_kernel_cmdline[kernel command line] by adding:
---- ----
intel_iommu=on intel_iommu=on
---- ----
For AMD CPUs it should be enabled automatically.
.IOMMU Passthrough Mode .IOMMU Passthrough Mode
If your hardware supports IOMMU passthrough mode, enabling this mode might If your hardware supports IOMMU passthrough mode, enabling this mode might