iommu/amd: Introduces ivrs_acpihid kernel parameter

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This patch introduces a new kernel parameter, ivrs_acpihid.
This is used to override existing ACPI-HID IVHD device entry,
or add an entry in case it is missing in the IVHD.

Signed-off-by: Wan Zongshun <Vincent.Wan@amd.com>
Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Suravee Suthikulpanit 2016-04-01 09:06:01 -04:00 • committed by Joerg Roedel

parent 2a0cb4e2d4

commit ca3bf5d47c

2 changed files with 40 additions and 0 deletions

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7

Documentation/kernel-parameters.txt

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33

drivers/iommu/amd_iommu_init.c

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