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Is SGI send when redistributor is power down?

I want to know one scenario

Suppose want to send the SGI from core 1 to core 0 .

Core 1 redistributor is power down and core 0 redistributor is power on. So when SGI send from core 1 to core 0, what happen, is it received or not or unpredictable?

Top replies

Zhifei Yang over 1 year ago +1 suggested

Your assumption scenario (CPU cluster redistributor is powered down while the CPU of that cluster is still powered up) is not valid. GIC TRM says: only all the cores managed by the GIC redistributor...