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Commit 12983077 authored by Andreas Herrmann's avatar Andreas Herrmann Committed by Jesse Barnes
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x86/PCI: add description for check_enable_amd_mmconf boot parameter 



Describe check_enable_amd_mmconf.

Signed-off-by: default avatarAndreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
parent bfe5a740

Documentation/kernel-parameters.txt

+3 −0
Original line number Diff line number Diff line
@@ -1735,6 +1735,9 @@ and is between 256 and 4096 characters. It is defined in the file 
				root domains (aka PCI segments, in ACPI-speak).

		nommconf	[X86] Disable use of MMCONFIG for PCI

				Configuration

		check_enable_amd_mmconf [X86] check for and enable

				properly configured MMIO access to PCI

				config space on AMD family 10h CPU

		nomsi		[MSI] If the PCI_MSI kernel config parameter is

				enabled, this kernel boot option can be used to

				disable the use of MSI interrupts system-wide.