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authorDongli Zhang <dongli.zhang@oracle.com>2022-06-11 01:25:13 -0700
committerChristoph Hellwig <hch@lst.de>2022-06-22 12:42:08 +0200
commit04c14e8e38b06edf934e9bb0cc504afd94d593fb (patch)
tree21e9acf1ad2a1ef61beb3e667ac1a46a768494ce /Documentation/x86
parent466298c65678e7a2bd7bd268fd3776de73e96a4b (diff)
x86/swiotlb: fix param usage in boot-options.rst
Fix the usage of swiotlb param in kernel doc. Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'Documentation/x86')
-rw-r--r--Documentation/x86/x86_64/boot-options.rst8
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/x86/x86_64/boot-options.rst b/Documentation/x86/x86_64/boot-options.rst
index 03ec9cf01181..cbd14124a667 100644
--- a/Documentation/x86/x86_64/boot-options.rst
+++ b/Documentation/x86/x86_64/boot-options.rst
@@ -287,11 +287,13 @@ iommu options only relevant to the AMD GART hardware IOMMU:
iommu options only relevant to the software bounce buffering (SWIOTLB) IOMMU
implementation:
- swiotlb=<pages>[,force]
- <pages>
- Prereserve that many 128K pages for the software IO bounce buffering.
+ swiotlb=<slots>[,force,noforce]
+ <slots>
+ Prereserve that many 2K slots for the software IO bounce buffering.
force
Force all IO through the software TLB.
+ noforce
+ Do not initialize the software TLB.
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