4d8f47ae2f
- Add interrupt shielding (direct hardware interrupts away from the specified CPUs). Not documented just yet but will be soon. - Redo /dev/cpu time_t compat so no kernel changes are needed. x86: - Make intr_establish, intr_disestablish safe to use when !cold. - Distribute hardware interrupts among the CPUs, instead of directing everything to the boot CPU. - Add MD code for interrupt sheilding. This works in most cases but there is a bug where delivery is not accepted by an LAPIC after redistribution. It also needs re-balancing to make things fair after interrupts are turned back on for a CPU. |
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