* [PATCH] cpufreq: schedutil: Simplify sugov_fast_switch()
@ 2020-10-06 12:01 Rafael J. Wysocki
2020-10-07 5:11 ` Viresh Kumar
0 siblings, 1 reply; 2+ messages in thread
From: Rafael J. Wysocki @ 2020-10-06 12:01 UTC (permalink / raw)
To: Viresh Kumar; +Cc: Linux PM, Peter Zijlstra, LKML
From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Drop a redundant local variable definition from sugov_fast_switch()
and rearrange the code in there to avoid the redundant logical
negation.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
The code reads a bit easier after this change IMV.
linux-next material.
---
kernel/sched/cpufreq_schedutil.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
Index: linux-pm/kernel/sched/cpufreq_schedutil.c
===================================================================
--- linux-pm.orig/kernel/sched/cpufreq_schedutil.c
+++ linux-pm/kernel/sched/cpufreq_schedutil.c
@@ -114,12 +114,8 @@ static bool sugov_update_next_freq(struc
static void sugov_fast_switch(struct sugov_policy *sg_policy, u64 time,
unsigned int next_freq)
{
- struct cpufreq_policy *policy = sg_policy->policy;
-
- if (!sugov_update_next_freq(sg_policy, time, next_freq))
- return;
-
- cpufreq_driver_fast_switch(policy, next_freq);
+ if (sugov_update_next_freq(sg_policy, time, next_freq))
+ cpufreq_driver_fast_switch(sg_policy->policy, next_freq);
}
static void sugov_deferred_update(struct sugov_policy *sg_policy, u64 time,
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] cpufreq: schedutil: Simplify sugov_fast_switch()
2020-10-06 12:01 [PATCH] cpufreq: schedutil: Simplify sugov_fast_switch() Rafael J. Wysocki
@ 2020-10-07 5:11 ` Viresh Kumar
0 siblings, 0 replies; 2+ messages in thread
From: Viresh Kumar @ 2020-10-07 5:11 UTC (permalink / raw)
To: Rafael J. Wysocki; +Cc: Linux PM, Peter Zijlstra, LKML
On 06-10-20, 14:01, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> Drop a redundant local variable definition from sugov_fast_switch()
> and rearrange the code in there to avoid the redundant logical
> negation.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> ---
>
> The code reads a bit easier after this change IMV.
>
> linux-next material.
>
> ---
> kernel/sched/cpufreq_schedutil.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> Index: linux-pm/kernel/sched/cpufreq_schedutil.c
> ===================================================================
> --- linux-pm.orig/kernel/sched/cpufreq_schedutil.c
> +++ linux-pm/kernel/sched/cpufreq_schedutil.c
> @@ -114,12 +114,8 @@ static bool sugov_update_next_freq(struc
> static void sugov_fast_switch(struct sugov_policy *sg_policy, u64 time,
> unsigned int next_freq)
> {
> - struct cpufreq_policy *policy = sg_policy->policy;
> -
> - if (!sugov_update_next_freq(sg_policy, time, next_freq))
> - return;
> -
> - cpufreq_driver_fast_switch(policy, next_freq);
> + if (sugov_update_next_freq(sg_policy, time, next_freq))
> + cpufreq_driver_fast_switch(sg_policy->policy, next_freq);
> }
>
> static void sugov_deferred_update(struct sugov_policy *sg_policy, u64 time,
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
--
viresh
^ permalink raw reply [flat|nested] 2+ messages in thread
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