On Sat, Jan 19, 2019 at 11:14:18AM -0500, Joel Fernandes (Google) wrote:
> When there are no callbacks pending on an idle system, I noticed that
> RCU softirq is continuously firing. During this the cpu_no_qs is set to
> false, and core_needs_qs is set to true indefinitely. This causes
> rcu_proces
When there are no callbacks pending on an idle system, I noticed that
RCU softirq is continuously firing. During this the cpu_no_qs is set to
false, and core_needs_qs is set to true indefinitely. This causes
rcu_process_callbacks to be repeatedly called, even though the node
corresponding to the CP
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