Merge branch 'topic/hda' into for-linus
[linux-2.6] / arch / x86 / kernel / cpu / mcheck / threshold.c
1 /*
2  * Common corrected MCE threshold handler code:
3  */
4 #include <linux/interrupt.h>
5 #include <linux/kernel.h>
6
7 #include <asm/irq_vectors.h>
8 #include <asm/apic.h>
9 #include <asm/idle.h>
10 #include <asm/mce.h>
11
12 static void default_threshold_interrupt(void)
13 {
14         printk(KERN_ERR "Unexpected threshold interrupt at vector %x\n",
15                          THRESHOLD_APIC_VECTOR);
16 }
17
18 void (*mce_threshold_vector)(void) = default_threshold_interrupt;
19
20 asmlinkage void mce_threshold_interrupt(void)
21 {
22         exit_idle();
23         irq_enter();
24         inc_irq_stat(irq_threshold_count);
25         mce_threshold_vector();
26         irq_exit();
27         /* Ack only at the end to avoid potential reentry */
28         ack_APIC_irq();
29 }