From: Robin Murphy <robin.murphy@arm.com>
Date: Thu, 20 Sep 2018 14:14:26 +0100
Subject: iommu: Fix passthrough option documentation
Git-commit: 9d723b4ccbd2248a388f37200a931b68dab28ada
Patch-mainline: v4.20-rc1
References: fate#326981
Document that the default for "iommu.passthrough" is now configurable.
Fixes: 58d1131777a4 ("iommu: Add config option to set passthrough as default")
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Acked-by: Joerg Roedel <jroedel@suse.de>
---
Documentation/admin-guide/kernel-parameters.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 9871e649ffef..8c5a956f3d9c 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1754,7 +1754,7 @@
Format: { "0" | "1" }
0 - Use IOMMU translation for DMA.
1 - Bypass the IOMMU for DMA.
- unset - Use IOMMU translation for DMA.
+ unset - Use value of CONFIG_IOMMU_DEFAULT_PASSTHROUGH.
io7= [HW] IO7 for Marvel based alpha systems
See comment before marvel_specify_io7 in