diff options
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 2c85c0692b01..8dd7248508a9 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1974,15 +1974,18 @@ and is between 256 and 4096 characters. It is defined in the file force Enable ASPM even on devices that claim not to support it. WARNING: Forcing ASPM on may cause system lockups. + pcie_ports= [PCIE] PCIe ports handling: + auto Ask the BIOS whether or not to use native PCIe services + associated with PCIe ports (PME, hot-plug, AER). Use + them only if that is allowed by the BIOS. + native Use native PCIe services associated with PCIe ports + unconditionally. + compat Treat PCIe ports as PCI-to-PCI bridges, disable the PCIe + ports driver. + pcie_pme= [PCIE,PM] Native PCIe PME signaling options: - Format: {auto|force}[,nomsi] - auto Use native PCIe PME signaling if the BIOS allows the - kernel to control PCIe config registers of root ports. - force Use native PCIe PME signaling even if the BIOS refuses - to allow the kernel to control the relevant PCIe config - registers. nomsi Do not use MSI for native PCIe PME signaling (this makes - all PCIe root ports use INTx for everything). + all PCIe root ports use INTx for all services). pcmv= [HW,PCMCIA] BadgePAD 4 @@ -2629,8 +2632,10 @@ and is between 256 and 4096 characters. It is defined in the file aux-ide-disks -- unplug non-primary-master IDE devices nics -- unplug network devices all -- unplug all emulated devices (NICs and IDE disks) - ignore -- continue loading the Xen platform PCI driver even - if the version check failed + unnecessary -- unplugging emulated devices is + unnecessary even if the host did not respond to + the unplug protocol + never -- do not unplug even if version check succeeds xirc2ps_cs= [NET,PCMCIA] Format: |