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| author |   Joerg Roedel <jroedel@suse.de> | 2017-04-07 18:23:01 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2017-04-07 18:23:01 +0200 |
| commit | acf7f76b6466837ccbbcf7bb85b411d56c7df2ea (patch) | |
| tree | 7be6329cbd5635e6d86ec295c1c14c964fe7442e /Documentation/admin-guide | |
| parent | Linux 4.11-rc5 (diff) | |
| parent | iommu/io-pgtable-arm: Avoid shift overflow in block size (diff) | |
| download | wireguard-linux-acf7f76b6466837ccbbcf7bb85b411d56c7df2ea.tar.xz wireguard-linux-acf7f76b6466837ccbbcf7bb85b411d56c7df2ea.zip | |
Merge branch 'for-joerg/arm-smmu/updates' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into arm/smmu
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index facc20a3f962..cb91f26cc8bc 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1644,6 +1644,12 @@ nobypass [PPC/POWERNV] Disable IOMMU bypass, using IOMMU for PCI devices. + iommu.passthrough= + [ARM64] Configure DMA to bypass the IOMMU by default. + Format: { "0" | "1" } + 0 - Use IOMMU translation for DMA. + 1 - Bypass the IOMMU for DMA. + unset - Use IOMMU translation for DMA. io7= [HW] IO7 for Marvel based alpha systems See comment before marvel_specify_io7 in |