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x86/PCI: add description for check_enable_amd_mmconf boot parameter

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Describe check_enable_amd_mmconf.

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Andreas Herrmann 2009-06-07 16:15:16 +02:00 committed by Jesse Barnes
parent bfe5a74017
commit 1298307736
1 changed files with 3 additions and 0 deletions
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Documentation/kernel-parameters.txt
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@ -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.