On 24-02-21, 14:39, Yue Hu wrote:
> From: Yue Hu <huy...@yulong.com>
>
> Note that sugov_update_next_freq() may return false, that means the
> caller sugov_fast_switch() will do nothing except fast switch check.
>
> Similarly, sugov_deferred_update() also has unnecessary operations
> of raw_spin_{lock,unlock} in sugov_update_single_freq() for that case.
>
> So, let's call sugov_update_next_freq() before the fast switch check
> to avoid unnecessary behaviors above. Accordingly, update interface
> definition to sugov_deferred_update() and remove sugov_fast_switch()
> since we will call cpufreq_driver_fast_switch() directly instead.
>
> Signed-off-by: Yue Hu <huy...@yulong.com>
> ---
> v2: remove sugov_fast_switch() and call cpufreq_driver_fast_switch()
> directly instead, also update minor log message.
>
> kernel/sched/cpufreq_schedutil.c | 29 ++++++++++++-----------------
> 1 file changed, 12 insertions(+), 17 deletions(-)
Acked-by: Viresh Kumar <viresh.ku...@linaro.org>
--
viresh
