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Kernel: Change PCI access commandline option to also represent no access

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This change allow the user to request the kernel to not use any PCI
resources/devices at all.

Also, don't try to initialize devices that rely on PCI if disabled.
This commit is contained in:
Liav A 2022-01-21 16:09:05 +02:00 • committed by Andreas Kling
parent 6bf59cbb1b
commit f6e635938f
5 changed files with 25 additions and 8 deletions
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3
Base/usr/share/man/man7/boot_parameters.md
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@ -56,7 +56,8 @@ List of options:
* **`panic`** - This parameter expects **`halt`** or **`shutdown`**. This is particularly useful in CI contexts.
* **`pci_ecam`** - This parameter expects **`on`** or **`off`**.
* **`pci`** - This parameter expects **`ecam`**, **`io`** or **`none`**. When selecting **`none`**
the kernel will not use PCI resources/devices.
* **`root`** - This parameter configures the device to use as the root file system. It defaults to **`/dev/hda`** if unspecified.