x86: don't set up early exception handlers for external interrupts

All of early setup runs with interrupts disabled, so there is no
need to set up early exception handlers for vectors >= 32

This saves some minor text size.

Signed-off-by: Andi Kleen <ak@suse.de>
Cc: mingo@elte.hu
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/asm-x86/segment.h b/include/asm-x86/segment.h
index 23f0535fec61..ed5131dd7d92 100644
--- a/include/asm-x86/segment.h
+++ b/include/asm-x86/segment.h
@@ -191,13 +191,14 @@
 #define SEGMENT_TI_MASK         0x4
 
 #define IDT_ENTRIES 256
+#define NUM_EXCEPTION_VECTORS 32
 #define GDT_SIZE (GDT_ENTRIES * 8)
 #define GDT_ENTRY_TLS_ENTRIES 3
 #define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8)
 
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
-extern const char early_idt_handlers[IDT_ENTRIES][10];
+extern const char early_idt_handlers[NUM_EXCEPTION_VECTORS][10];
 #endif
 #endif