K 10 svn:author V 3 jhb K 8 svn:date V 27 2006-04-05T20:43:19.000000Z K 7 svn:log V 375 Cache the value of the lower half of each I/O APIC redirection table entry so that we only have to do an ioapic_write() instead of an ioapic_read() followed by an ioapic_write() every time we mask and unmask level triggered interrupts. This cuts the execution time for these operations roughly in half. Profiled by: Paolo Pisati