ppc/idle: Add documentation for powersave=off

Update kernel-parameters.txt to add Documentation
for powersave=off.

Signed-off-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Balbir Singh 2016-12-02 00:08:26 +11:00 committed by Jonathan Corbet
parent 7d56f0facd
commit c3cbd075fc
1 changed files with 6 additions and 0 deletions

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@ -3036,6 +3036,12 @@
may be specified.
Format: <port>,<port>....
powersave=off [PPC] This option disables power saving features.
It specifically disables cpuidle and sets the
platform machine description specific power_save
function to NULL. On Idle the CPU just reduces
execution priority.
ppc_strict_facility_enable
[PPC] This option catches any kernel floating point,
Altivec, VSX and SPE outside of regions specifically