From: Dongli Zhang <dongli.zhang@oracle.com>
To: iommu@lists.linux-foundation.org, linux-doc@vger.kernel.org,
x86@kernel.org
Cc: linux-kernel@vger.kernel.org, joe.jin@oracle.com,
hch@infradead.org, m.szyprowski@samsung.com, tglx@linutronix.de,
mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
corbet@lwn.net
Subject: [PATCH v1 3/4] x86/swiotlb: fix param usage in boot-options.rst
Date: Sat, 11 Jun 2022 01:25:13 -0700 [thread overview]
Message-ID: <20220611082514.37112-4-dongli.zhang@oracle.com> (raw)
In-Reply-To: <20220611082514.37112-1-dongli.zhang@oracle.com>
Fix the usage of swiotlb param in kernel doc.
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
---
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=<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
--
2.17.1
next prev parent reply other threads:[~2022-06-11 8:27 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-11 8:25 [PATCH v1 0/4] swiotlb: some cleanup Dongli Zhang
2022-06-11 8:25 ` [PATCH v1 1/4] swiotlb: remove unused swiotlb_force Dongli Zhang
2022-06-11 8:25 ` [PATCH v1 2/4] swiotlb: remove useless return Dongli Zhang
2022-06-11 8:25 ` Dongli Zhang [this message]
2022-06-11 8:25 ` [PATCH v1 4/4] swiotlb: panic if nslabs is too small Dongli Zhang
2022-06-13 6:49 ` Dongli Zhang
2022-08-20 1:20 ` Yu Zhao
2022-08-22 9:49 ` Robin Murphy
2022-08-22 11:26 ` Christoph Hellwig
2022-08-22 12:32 ` Robin Murphy
2022-08-22 22:27 ` Dongli Zhang
2022-08-22 23:10 ` Yu Zhao
2022-08-22 23:47 ` Dongli Zhang
2022-06-22 10:43 ` [PATCH v1 0/4] swiotlb: some cleanup Christoph Hellwig
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