Re: [PATCH V2 2/2] Cpufreq/gov: use tick_nohz_check() to check idlemicro accouting support

From: Viresh Kumar
Date: Fri Nov 15 2013 - 05:36:27 EST


On 15 November 2013 14:05, Lan Tianyu <tianyu.lan@xxxxxxxxx> wrote:
> Current, od_init() uses get_cpu_idle_time_us() to check whether
> idle micro accouting is supported. The get_cpu_idle_time_us()
> returns -1 only when tick nohz is disabled. This patch is to use
> tick_nohz_check() directly to check nohz enable status instead of
> get_cpu_idle_time_us(). This can avoid unnecessary getting and
> putting cpu.
>
> Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx>
> ---
> drivers/cpufreq/cpufreq_ondemand.c | 7 +------
> 1 file changed, 1 insertion(+), 6 deletions(-)

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
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