-/*
- * insw() and gang might be called with interrupts disabled, so we can't
- * send IPIs for flushing due to the potencial of deadlocks, see the comment
- * above smp_call_function() in arch/mips/kernel/smp.c. We work around the
- * problem by disabling preemption so we know we actually perform the flush
- * on the processor that actually has the lines to be flushed which hopefully
- * is even better for performance anyway.
- */