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>
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index a5d8e1a..50a7792 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -590,7 +590,8 @@
* a straightforward 1 to 1 mapping, so force that here. */
__get_cpu_var(vector_irq)[vector] = i;
if (vector != SYSCALL_VECTOR) {
- set_intr_gate(vector, interrupt[vector]);
+ set_intr_gate(vector,
+ interrupt[vector-FIRST_EXTERNAL_VECTOR]);
set_irq_chip_and_handler_name(i, &lguest_irq_controller,
handle_level_irq,
"level");