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Documentation/x86: remove a stray reference to pci-nommu.c

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This is just the minimal workaround.  The file is mostly either stale
and/or duplicative of Documentation/admin-guide/kernel-parameters.txt,
but that is much more work than I'm willing to do right now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Christoph Hellwig 2018-04-27 09:10:12 +02:00
parent f068fe3170
commit 84564d1c76
1 changed files with 2 additions and 2 deletions
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Documentation/x86/x86_64/boot-options.txt
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@ -187,9 +187,9 @@ PCI
IOMMU (input/output memory management unit) IOMMU (input/output memory management unit)
Currently four x86-64 PCI-DMA mapping implementations exist: Multiple x86-64 PCI-DMA mapping implementations exist, for example:
1. <arch/x86_64/kernel/pci-nommu.c>: use no hardware/software IOMMU at all 1. <lib/dma-direct.c>: use no hardware/software IOMMU at all
(e.g. because you have < 3 GB memory). (e.g. because you have < 3 GB memory).
Kernel boot message: "PCI-DMA: Disabling IOMMU" Kernel boot message: "PCI-DMA: Disabling IOMMU"