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author | Dirk Brandewie <dirk.brandewie@gmail.com> | 2013-02-15 22:55:10 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-02-15 22:55:10 +0100 |
commit | 6be264986152c498562f26b15ed73c70aa37ce48 (patch) | |
tree | 98d9a397ca627d67a9fbd117a23b8acbfd69622a /Documentation/kernel-parameters.txt | |
parent | da0d9fda3743769484d3db5a17a121599076e869 (diff) | |
download | lwn-6be264986152c498562f26b15ed73c70aa37ce48.tar.gz lwn-6be264986152c498562f26b15ed73c70aa37ce48.zip |
cpufreq / intel_pstate: Add kernel command line option disable intel_pstate.
When intel_pstate is configured into the kernel it will become the
preferred scaling driver for processors that it supports. Allow the
user to override this by adding:
intel_pstate=disable
on the kernel command line.
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 363e348bff9b..b335c456feb9 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1131,6 +1131,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted. 0 disables intel_idle and fall back on acpi_idle. 1 to 6 specify maximum depth of C-state. + intel_pstate= [X86] + disable + Do not enable intel_pstate as the default + scaling driver for the supported processors + intremap= [X86-64, Intel-IOMMU] on enable Interrupt Remapping (default) off disable Interrupt Remapping |