On 24 November 2012 03:18, Rafael J. Wysocki <rjw@xxxxxxx> wrote: > From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > Subject: cpufreq: governors: Fix jiffies/cputime mixup (revisited) > > This change was made by commit 8636fd2 (cpufreq: fix jiffies/cputime > mixup in conservative/ondemand governors) before, but then it has > been reverted inadvertently by commit 4471a34 (cpufreq: governors: > remove redundant code). > > The changelog of commit 8636fd2 says: > > The function get_cpu_idle_time_jiffy in both the conservative and > ondemand governors use jiffies_to_usecs to convert a cputime value > to usecs which gives the wrong value on architectures where cputime > and jiffies use different units. Only matters if NO_HZ is > disabled, since otherwise get_cpu_idle_time_us should already > return a valid value, and get_cpu_idle_time_jiffy isn't actually > called. > > Since now we have only one common get_cpu_idle_time_jiffy() used by > both governors in question, modify it along the lines of commit > 8636fd2 to restore the correct behavior. > > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Reviewed-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
