K 10 svn:author V 4 neel K 8 svn:date V 27 2014-02-17T22:57:51.730611Z K 7 svn:log V 215 Use spinlocks to lock accesses to the vioapic. This is necessary because if the vlapic is configured in x2apic mode the vioapic_process_eoi() function is called inside the critical section established by vm_run(). END