[PATCH v5 3/6] x86/apic: Fix restoring boot irq mode in reboot and kexec/kdump

This is a regression fix. Before, to fix erratum AVR31, commit 522e66464467 ("x86/apic: Disable I/O APIC before shutdown of the local APIC") moved lapic_shutdown() calling after disable_IO_APIC() in reboot and kexec/kdump code path. This introdued a regression. The root cause is that

[PATCH v5 3/6] x86/apic: Fix restoring boot irq mode in reboot and kexec/kdump

This is a regression fix. Before, to fix erratum AVR31, commit 522e66464467 ("x86/apic: Disable I/O APIC before shutdown of the local APIC") moved lapic_shutdown() calling after disable_IO_APIC() in reboot and kexec/kdump code path. This introdued a regression. The root cause is that