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iommu/amd: Document ivrs_ioapic and ivrs_hpet parameters

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Document the new kernel commandline parameters in the
appropriate file.

Reviewed-by: Shuah Khan <shuahkhan@gmail.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
This commit is contained in:
Joerg Roedel 2013-04-09 21:27:19 +02:00
parent dfbb6d476d
commit 7d8bfa26f2
1 changed files with 14 additions and 0 deletions
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14
Documentation/kernel-parameters.txt
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@ -1226,6 +1226,20 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
iucv= [HW,NET]
ivrs_ioapic [HW,X86_64]
Provide an override to the IOAPIC-ID<->DEVICE-ID
mapping provided in the IVRS ACPI table. For
example, to map IOAPIC-ID decimal 10 to
PCI device 00:14.0 write the parameter as:
ivrs_ioapic[10]=00:14.0
ivrs_hpet [HW,X86_64]
Provide an override to the HPET-ID<->DEVICE-ID
mapping provided in the IVRS ACPI table. For
example, to map HPET-ID decimal 0 to
PCI device 00:14.0 write the parameter as:
ivrs_hpet[0]=00:14.0
js= [HW,JOY] Analog joystick
See Documentation/input/joystick.txt.