On Mon, 15 Feb 2021 10:45:06 +0100, Greg Kurz wrote:
> Depending on the number of online CPUs in the original kernel, it is
> likely for CPU #0 to be offline in a kdump kernel. The associated IRQs
> in the affinity mappings provided by irq_create_affinity_masks() are
> thus not started by irq_start
Depending on the number of online CPUs in the original kernel, it is
likely for CPU #0 to be offline in a kdump kernel. The associated IRQs
in the affinity mappings provided by irq_create_affinity_masks() are
thus not started by irq_startup(), as per-design with managed IRQs.
This can be a problem
