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-rw-r--r--include/asm-x86_64/hw_irq.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h
index c14a8c7267a..0df1715dee7 100644
--- a/include/asm-x86_64/hw_irq.h
+++ b/include/asm-x86_64/hw_irq.h
@@ -46,18 +46,18 @@ struct hw_interrupt_type;
* some of the following vectors are 'rare', they are merged
* into a single vector (CALL_FUNCTION_VECTOR) to save vector space.
* TLB, reschedule and local APIC vectors are performance-critical.
- *
- * Vectors 0xf0-0xf9 are free (reserved for future Linux use).
*/
#define SPURIOUS_APIC_VECTOR 0xff
#define ERROR_APIC_VECTOR 0xfe
#define RESCHEDULE_VECTOR 0xfd
#define CALL_FUNCTION_VECTOR 0xfc
-#define KDB_VECTOR 0xfb /* reserved for KDB */
+/* fb free - please don't readd KDB here because it's useless
+ (hint - think what a NMI bit does to a vector) */
#define THERMAL_APIC_VECTOR 0xfa
#define THRESHOLD_APIC_VECTOR 0xf9
-#define INVALIDATE_TLB_VECTOR_END 0xf8
-#define INVALIDATE_TLB_VECTOR_START 0xf0 /* f0-f8 used for TLB flush */
+/* f8 free */
+#define INVALIDATE_TLB_VECTOR_END 0xf7
+#define INVALIDATE_TLB_VECTOR_START 0xf0 /* f0-f7 used for TLB flush */
#define NUM_INVALIDATE_TLB_VECTORS 8