From 04c14e8e38b06edf934e9bb0cc504afd94d593fb Mon Sep 17 00:00:00 2001 From: Dongli Zhang Date: Sat, 11 Jun 2022 01:25:13 -0700 Subject: [PATCH] x86/swiotlb: fix param usage in boot-options.rst Fix the usage of swiotlb param in kernel doc. Signed-off-by: Dongli Zhang Signed-off-by: Christoph Hellwig --- Documentation/x86/x86_64/boot-options.rst | 8 +++++--- 1 file 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=[,force] - - Prereserve that many 128K pages for the software IO bounce buffering. + swiotlb=[,force,noforce] + + 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