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| author |   Dongli Zhang <dongli.zhang@oracle.com> | 2022-06-11 01:25:13 -0700 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2022-06-22 12:42:08 +0200 |
| commit | 04c14e8e38b06edf934e9bb0cc504afd94d593fb (patch) | |
| tree | 21e9acf1ad2a1ef61beb3e667ac1a46a768494ce | |
| parent | swiotlb: remove a useless return in swiotlb_init (diff) | |
| download | linux-dev-04c14e8e38b06edf934e9bb0cc504afd94d593fb.tar.xz linux-dev-04c14e8e38b06edf934e9bb0cc504afd94d593fb.zip | |
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>
| -rw-r--r-- | Documentation/x86/x86_64/boot-options.rst | 8 |
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. Miscellaneous |