[11/11] Documentation: Generalize the "pci=noats" boot parameter
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Message ID 20200213165049.508908-12-jean-philippe@linaro.org
State New
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Series
  • PCI/ATS: Device-tree support and other improvements
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Commit Message

Jean-Philippe Brucker Feb. 13, 2020, 4:50 p.m. UTC
The "pci=noats" kernel parameter disables PCIe ATS globally, and affects
any ATS-capable IOMMU driver. So rather than adding Arm SMMUv3, which
recently gained ATS support, to the list of relevant build options,
simplify the noats description.

Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
---
 Documentation/admin-guide/kernel-parameters.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
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diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index dbc22d684627..e5fa8d057a3c 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3606,8 +3606,8 @@ 
 				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).
+		noats		[PCIE] 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.