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632b40616e
rcu_idle_enter() can wake up ksoftirqd to finish RCU callbacks before entering idle. Hence add a check for need_resched() after rcu_idle_enter(). The CPU enters idle without this check and tasks queued on this CPU are starved until CPU exits idle. The cpuidle subsystem has checks for need_resched() before entering CPU idle, but these checks does not come into the picture if cpuidle is not enabled or becomes active during boot. Change-Id: I747e49acb41f201bdc9a7c12d81f366e76bbdbb3 Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org> |
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| idle.c | ||
| Makefile | ||