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sched/walt: Handle -ve cpu capacity

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There are instances where rt and irq load exceeds thermally limited
capacity and results in a very high cpu_capacity.

Fix it by comparing it against 0.

Change-Id: Ice6e71cd8b5e0635ec1d79c7338a964cef70271d
Signed-off-by: Sai Harshini Nimmala <quic_snimmala@quicinc.com>
This commit is contained in:
Sai Harshini Nimmala 2022-07-05 14:40:47 -07:00
parent ec30ed6a75
commit ff2d763574
1 changed files with 1 additions and 1 deletions
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2
kernel/sched/walt/walt.c
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@ -4110,7 +4110,7 @@ static void android_rvh_update_cpu_capacity(void *unused, int cpu, unsigned long
if (old != rq->cpu_capacity_orig)
trace_update_cpu_capacity(cpu, rt_pressure, *capacity);
*capacity = max(rq->cpu_capacity_orig - rt_pressure, 1UL);
*capacity = max((int)(rq->cpu_capacity_orig - rt_pressure), 0);
}
static void android_rvh_sched_cpu_starting(void *unused, int cpu)