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sched/walt: Fix lockdep warning

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static_key_disable_cpuslocked() API is called to disable TTWU_QUEUE
feature. This API expects read side of cpu_hotplug_lock lock is taken.
Since we are not acquiring that lock, use static_key_disable() API which
internally takes care of the locking.

Change-Id: Ic8c7023235dd2e03bfe93d3f87a6a68e4f5b9b0d
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
This commit is contained in:
Pavankumar Kondeti 2021-02-01 15:39:11 +05:30 committed by Rishabh Bhatnagar
parent 6f013c2fae
commit cadae13c7a
1 changed files with 4 additions and 2 deletions
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6
kernel/sched/walt/walt.c
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@ -4174,8 +4174,10 @@ static void walt_init(void)
waltgov_register();
i = match_string(sched_feat_names, __SCHED_FEAT_NR, "TTWU_QUEUE");
static_key_disable_cpuslocked(&sched_feat_keys[i]);
sysctl_sched_features &= ~(1UL << i);
if (i >= 0) {
static_key_disable(&sched_feat_keys[i]);
sysctl_sched_features &= ~(1UL << i);
}
}
static bool are_cpufreq_policies_available(void)