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| author | Len Brown <len.brown@intel.com> | 2009-04-05 07:50:46 +0200 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-04-05 07:50:46 +0200 |
| commit | 3b4dadf05d177289c279c50030c7c75e004952bb (patch) | |
| tree | 5ee1a21f5dd3d4682e7ed9f92ba97fa4a507f62f /Documentation | |
| parent | Merge branch 'async-battery' into release (diff) | |
| parent | ACPI: acpi_enforce_resource=strict by default (diff) | |
| download | linux-3b4dadf05d177289c279c50030c7c75e004952bb.tar.xz linux-3b4dadf05d177289c279c50030c7c75e004952bb.zip | |
Merge branch 'acpi_enforce_resources' into release
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 54f21a5c262b..7068d0bc47c5 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -258,6 +258,22 @@ and is between 256 and 4096 characters. It is defined in the file to assume that this machine's pmtimer latches its value and always returns good values. + acpi_enforce_resources= [ACPI] + { strict | lax | no } + Check for resource conflicts between native drivers + and ACPI OperationRegions (SystemIO and SystemMemory + only). IO ports and memory declared in ACPI might be + used by the ACPI subsystem in arbitrary AML code and + can interfere with legacy drivers. + strict (default): access to resources claimed by ACPI + is denied; legacy drivers trying to access reserved + resources will fail to bind to device using them. + lax: access to resources claimed by ACPI is allowed; + legacy drivers trying to access reserved resources + will bind successfully but a warning message is logged. + no: ACPI OperationRegions are not marked as reserved, + no further checks are performed. + agp= [AGP] { off | try_unsupported } off: disable AGP support |