Commit 1a426cb7 authored by Jan Beulich's avatar Jan Beulich Committed by Linus Torvalds
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[PATCH] x86-64: Declare NMI_VECTOR and handle it in the IPI sending code.


Signed-off-by: default avatarJan Beulich <jbeulich@novell.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent a2a0c992
......@@ -26,6 +26,7 @@
struct hw_interrupt_type;
#endif
#define NMI_VECTOR 0x02
/*
* IDT vectors usable for external interrupt sources start
* at 0x20:
......
......@@ -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;
}
......
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