kernel_linux

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Nagananda.Chumbalkar@hp.com 1dbf58881f [CPUFREQ] Fix ondemand to not request targets outside policy limits

Dominik said:
target_freq cannot be below policy->min or above policy->max.
If it were, the whole cpufreq subsystem is broken.

But (answer):
I think the "ondemand" governor can ask for a target frequency that is
below policy->min.
...
A patch such as below may be needed to sanitize the target frequency
requested by "ondemand". The "conservative" governor already has this check:

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Dave Jones <davej@redhat.com>

# diff -bur x/drivers/cpufreq/cpufreq_ondemand.c.orig y/drivers/cpufreq/cpufreq_ondemand.c

2010-01-13 10:55:16 -05:00

cpufreq_conservative.c

[CPUFREQ] Use global sysfs cpufreq structure for conservative governor tunings

2009-11-24 13:33:34 -05:00

cpufreq_ondemand.c

[CPUFREQ] Fix ondemand to not request targets outside policy limits

2010-01-13 10:55:16 -05:00

cpufreq_performance.c

[CPUFREQ] Don't export governors for default governor

2008-10-09 13:52:44 -04:00

cpufreq_powersave.c

[CPUFREQ] Don't export governors for default governor