x86: 32 bit: interrupt stub consistency with 64 bit

Don't generate interrupt stubs for interrupt vectors below
FIRST_EXTERNAL_VECTOR, and make the table of interrupt vectors
(interrupt[]) __initconst.  Both of these changes both conserve memory
and improve consistency with 64 bits.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c
index 845aa9803e80..607db63044a5 100644
--- a/arch/x86/kernel/irqinit_32.c
+++ b/arch/x86/kernel/irqinit_32.c
@@ -129,7 +129,7 @@ void __init native_init_IRQ(void)
         for (i =  FIRST_EXTERNAL_VECTOR; i < NR_VECTORS; i++) {
                 /* SYSCALL_VECTOR was reserved in trap_init. */
                 if (i != SYSCALL_VECTOR)
-                        set_intr_gate(i, interrupt[i]);
+                        set_intr_gate(i, interrupt[i-FIRST_EXTERNAL_VECTOR]);
         }