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sched/fair: Use sched_energy_enabled()

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Use helper sched_energy_enabled() everywhere we want to test if EAS is
enabled instead of mixing sched_energy_enabled() and direct call to
static_branch_unlikely().

No functional change

Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20260327132013.2800517-1-vincent.guittot@linaro.org
This commit is contained in:
Vincent Guittot
2026-03-27 14:20:13 +01:00
committed by Peter Zijlstra
parent b049b81bdf
commit 2d4cc371ba
1 changed files with 4 additions and 5 deletions
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9
kernel/sched/topology.c
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@@ -273,7 +273,7 @@ void rebuild_sched_domains_energy(void)
static int sched_energy_aware_handler(const struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos)
{
int ret, state;
int ret;
if (write && !capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -289,8 +289,7 @@ static int sched_energy_aware_handler(const struct ctl_table *table, int write,
ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
if (!ret && write) {
state = static_branch_unlikely(&sched_energy_present);
if (state != sysctl_sched_energy_aware)
if (sysctl_sched_energy_aware != sched_energy_enabled())
rebuild_sched_domains_energy();
}
@@ -388,11 +387,11 @@ static void destroy_perf_domain_rcu(struct rcu_head *rp)
static void sched_energy_set(bool has_eas)
{
if (!has_eas && static_branch_unlikely(&sched_energy_present)) {
if (!has_eas && sched_energy_enabled()) {
if (sched_debug())
pr_info("%s: stopping EAS\n", __func__);
static_branch_disable_cpuslocked(&sched_energy_present);
} else if (has_eas && !static_branch_unlikely(&sched_energy_present)) {
} else if (has_eas && !sched_energy_enabled()) {
if (sched_debug())
pr_info("%s: starting EAS\n", __func__);
static_branch_enable_cpuslocked(&sched_energy_present);