Hello, Frederic,
Just realized that I could further decrease RT latency of one of my "shut
up RCU on NO_HZ_FULL CPUs" patches if I relied on CPU 0 always having
a scheduling-clock tick unless the entire system is idle. The trick
is that I could then rely on CPU 0 to detect RCU CPU stall warnings,
and remove the checking from the other CPUs.
Thoughts?
Thanx, Paul
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