x86, irqinit: preempt merge conflicts

To make the topic merge life easier for tip:perfcounters/core,
include two (inactive in this topic) IRQ vector initializations
here.

Also fix build bug - missing kprobes.h inclusion.
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/irqinit.c

@@ -7,6 +7,7 @@
 #include <linux/timex.h>
 #include <linux/slab.h>
 #include <linux/random.h>
+#include <linux/kprobes.h>
 #include <linux/init.h>
 #include <linux/kernel_stat.h>
 #include <linux/sysdev.h>
@@ -195,6 +196,13 @@ static void __init apic_intr_init(void)
 	/* IPI vectors for APIC spurious and error interrupts */
 	alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
 	alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
+
+	/* Performance monitoring interrupts: */
+# ifdef CONFIG_PERF_COUNTERS
+	alloc_intr_gate(LOCAL_PERF_VECTOR, perf_counter_interrupt);
+	alloc_intr_gate(LOCAL_PENDING_VECTOR, perf_pending_interrupt);
+# endif
+
 #endif
 
 #ifdef CONFIG_X86_32