Hi! > I can't see why pm_qos is needed at all, better use cpufreq > providing interface. > PPC (BIOS request to cut max_frequency) in > drivers/acpi/processor_perflib.c is a nice example > > I'd also put this into drivers/cpufreq/cpufreq_input_boost.c. > > Find below a re-written version of the booster. > Instead of pm_qos, it simply uses cpufreq interface: > /sys/devices/system/cpu/cpufreq/input_boost_freq > /sys/devices/system/cpu/cpufreq/input_boost_time > > I started with global cpufreq variables, they could also > be declared per cpu like scaling_min_freq or others > (at least input_boost_freq, input_boost_time should probably > stay global). That would be: > /sys/devices/system/cpu/cpuX/cpufreq/input_boost_freq Going through old mails. This did not seem to go anywhere? Is it still required? I don't see it in kernel. For some reason, it looks like it has potential to help Nokia N900 a lot... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
