diff options
| author |  Lu Baolu <baolu.lu@linux.intel.com>
| 2020-11-24 16:20:57 +0800 |
|---|---|---|
| committer |  Will Deacon <will@kernel.org>
| 2020-11-25 12:03:49 +0000 |
| commit | 58a8bb39490db31acbe8f4e24593a88533b4d947 (patch) | |
| tree | 916d331be7a114313a7f1245a9cc8f4618e3f017 /Documentation/admin-guide/kernel-parameters.txt | |
| parent | iommu/vt-d: Convert intel iommu driver to the iommu ops (diff) | |
| download | linux-58a8bb39490db31acbe8f4e24593a88533b4d947.tar.gz linux-58a8bb39490db31acbe8f4e24593a88533b4d947.tar.bz2 linux-58a8bb39490db31acbe8f4e24593a88533b4d947.zip | |
iommu/vt-d: Cleanup after converting to dma-iommu ops
Some cleanups after converting the driver to use dma-iommu ops.
- Remove nobounce option;
- Cleanup and simplify the path in domain mapping.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Tested-by: Logan Gunthorpe <logang@deltatee.com>
Link: https://lore.kernel.org/r/20201124082057.2614359-8-baolu.lu@linux.intel.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'Documentation/admin-guide/kernel-parameters.txt')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 526d65d8573a..76b2a2063fd0 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1883,11 +1883,6 @@ Note that using this option lowers the security provided by tboot because it makes the system vulnerable to DMA attacks. - nobounce [Default off] - Disable bounce buffer for untrusted devices such as - the Thunderbolt devices. This will treat the untrusted - devices as the trusted ones, hence might expose security - risks of DMA attacks. intel_idle.max_cstate= [KNL,HW,ACPI,X86] 0 disables intel_idle and fall back on acpi_idle. |