提交 84564d1c 编写于 作者: C Christoph Hellwig

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

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: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NThomas Gleixner <tglx@linutronix.de>
上级 f068fe31
......@@ -187,9 +187,9 @@ PCI
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).
Kernel boot message: "PCI-DMA: Disabling IOMMU"
......
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