pcie-passthrough: note that iommu activation is not always necessary

especially on newer kernels

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>

diff --git a/qm-pci-passthrough.adoc b/qm-pci-passthrough.adoc
index fa6ba357726c547981e48df12fa9531a592ee847..5ef325d38140d1f1863aa6a9a22bbccff291fae8 100644 (file)
--- a/qm-pci-passthrough.adoc
+++ b/qm-pci-passthrough.adoc
@@ -49,8 +49,9 @@ First, the IOMMU support has to be enabled in your BIOS/UEFI. Most often, that
 options is named `IOMMU` or `VT-d`, but check the manual for your motherboard
 for the exact option you need to enable.
 
-Then, the IOMMU has to be activated on the
+Then, the IOMMU might need to be activated on the
 xref:sysboot_edit_kernel_cmdline[kernel commandline].
+(On newer kernels, this should not be necessary.)
 
 The command line parameters are: