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-rw-r--r--include/asm-x86_64/hw_irq.h1
-rw-r--r--include/asm-x86_64/ipi.h17
2 files changed, 15 insertions, 3 deletions
diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h
index d9212eb4e89..dc97668ea0f 100644
--- a/include/asm-x86_64/hw_irq.h
+++ b/include/asm-x86_64/hw_irq.h
@@ -26,6 +26,7 @@
struct hw_interrupt_type;
#endif
+#define NMI_VECTOR 0x02
/*
* IDT vectors usable for external interrupt sources start
* at 0x20:
diff --git a/include/asm-x86_64/ipi.h b/include/asm-x86_64/ipi.h
index 7ba668f43c5..022e9d340ad 100644
--- a/include/asm-x86_64/ipi.h
+++ b/include/asm-x86_64/ipi.h
@@ -31,9 +31,20 @@
static inline unsigned int __prepare_ICR (unsigned int shortcut, int vector, unsigned int dest)
{
- unsigned int icr = APIC_DM_FIXED | shortcut | vector | dest;
- if (vector == KDB_VECTOR)
- icr = (icr & (~APIC_VECTOR_MASK)) | APIC_DM_NMI;
+ unsigned int icr = shortcut | dest;
+
+ switch (vector) {
+ default:
+ icr |= APIC_DM_FIXED | vector;
+ break;
+ case NMI_VECTOR:
+ /*
+ * Setup KDB IPI to be delivered as an NMI
+ */
+ case KDB_VECTOR:
+ icr |= APIC_DM_NMI;
+ break;
+ }
return icr;
}