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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

include/asm-x86_64/hw_irq.h

+1 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
struct hw_interrupt_type;

#endif



#define NMI_VECTOR		0x02

/*

 * IDT vectors usable for external interrupt sources start

 * at 0x20:

include/asm-x86_64/ipi.h

+14 −3
Original line number Diff line number Diff line
@@ -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;

}