Re: [PATCH 6/9] cpufreq: governor: Reset sample delay in store_sampling_rate()
From: Viresh Kumar
Date: Mon Feb 15 2016 - 03:53:46 EST
On 15-02-16, 02:20, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>
> If store_sampling_rate() updates the sample delay when the ondemand
> governor is in the middle of its high/low dance (OD_SUB_SAMPLE sample
> type is set), the governor will still do the bottom half of the
> previous sample which may take too much time.
>
> To prevent that from happening, change store_sampling_rate() to always
> reset the sample delay to 0 which also is consistent with the new
> behavior of cpufreq_governor_limits().
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> ---
> drivers/cpufreq/cpufreq_governor.c | 16 ++++------------
> 1 file changed, 4 insertions(+), 12 deletions(-)
Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
--
viresh