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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>
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@ -287,11 +287,13 @@ iommu options only relevant to the AMD GART hardware IOMMU:
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iommu options only relevant to the software bounce buffering (SWIOTLB) IOMMU
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iommu options only relevant to the software bounce buffering (SWIOTLB) IOMMU
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implementation:
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implementation:
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swiotlb=<pages>[,force]
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swiotlb=<slots>[,force,noforce]
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<pages>
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<slots>
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Prereserve that many 128K pages for the software IO bounce buffering.
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Prereserve that many 2K slots for the software IO bounce buffering.
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force
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force
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Force all IO through the software TLB.
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Force all IO through the software TLB.
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noforce
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Do not initialize the software TLB.
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Miscellaneous
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Miscellaneous
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