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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 11fc28ecdb6d..a19ccac3b4c7 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3147,6 +3147,8 @@
on: Turn realloc on
realloc same as realloc=on
noari do not use PCIe ARI.
+ noats [PCIE, Intel-IOMMU, AMD-IOMMU]
+ do not use PCIe ATS (and IOMMU device IOTLB).
pcie_scan_all Scan all possible PCIe devices. Otherwise we
only look for one device below a PCIe downstream
port.