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x86: 32 bit: interrupt stub consistency with 64 bit

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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>
This commit is contained in:
H. Peter Anvin
2008-11-11 13:03:07 -08:00
parent f21f237cf5
commit 4687518c4c
4 changed files with 7 additions and 6 deletions
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arch/x86/kernel/irqinit_32.c
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@@ -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]);
}