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i386: introduce "used_vectors" bitmap which can be used to reserve vectors.
[pandora-kernel.git]
/
arch
/
x86
/
kernel
/
i8259_32.c
diff --git
a/arch/x86/kernel/i8259_32.c
b/arch/x86/kernel/i8259_32.c
index
d34a10c
..
f634fc7
100644
(file)
--- a/
arch/x86/kernel/i8259_32.c
+++ b/
arch/x86/kernel/i8259_32.c
@@
-403,7
+403,8
@@
void __init native_init_IRQ(void)
int vector = FIRST_EXTERNAL_VECTOR + i;
if (i >= NR_IRQS)
break;
- if (vector != SYSCALL_VECTOR)
+ /* SYSCALL_VECTOR was reserved in trap_init. */
+ if (!test_bit(vector, used_vectors))
set_intr_gate(vector, interrupt[i]);
}