diff options
Diffstat (limited to 'arch/x86/kernel/idt.c')
| -rw-r--r-- | arch/x86/kernel/idt.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/kernel/idt.c b/arch/x86/kernel/idt.c index 4327104f5af8..99f93a6fb92a 100644 --- a/arch/x86/kernel/idt.c +++ b/arch/x86/kernel/idt.c @@ -286,7 +286,25 @@ void __init idt_setup_debugidt_traps(void) */ void __init idt_setup_apic_and_irq_gates(void) { + int i = FIRST_EXTERNAL_VECTOR; + void *entry; + idt_setup_from_table(idt_table, apic_idts, ARRAY_SIZE(apic_idts)); + + for_each_clear_bit_from(i, used_vectors, FIRST_SYSTEM_VECTOR) { + entry = irq_entries_start + 8 * (i - FIRST_EXTERNAL_VECTOR); + set_intr_gate(i, entry); + } + + for_each_clear_bit_from(i, used_vectors, NR_VECTORS) { +#ifdef CONFIG_X86_LOCAL_APIC + set_bit(i, used_vectors); + set_intr_gate(i, spurious_interrupt); +#else + entry = irq_entries_start + 8 * (i - FIRST_EXTERNAL_VECTOR); + set_intr_gate(i, entry); +#endif + } } /** |