Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial

[safe/jmp/linux-2.6] / arch / x86 / kernel / io_apic_32.c

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 03e88fc..f35c6eb 100644 (file)
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -1198,7 +1198,7 @@ static u8 irq_vector[NR_IRQ_VECTORS] __read_mostly = { FIRST_DEVICE_VECTOR , 0 }
 static int __assign_irq_vector(int irq)
 {
        static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0;
-       int vector, offset, i;
+       int vector, offset;
 
        BUG_ON((unsigned)irq >= NR_IRQ_VECTORS);
 
@@ -1215,11 +1215,8 @@ next:
        }
        if (vector == current_vector)
                return -ENOSPC;
-       if (vector == SYSCALL_VECTOR)
+       if (test_and_set_bit(vector, used_vectors))
                goto next;
-       for (i = 0; i < NR_IRQ_VECTORS; i++)
-               if (irq_vector[i] == vector)
-                       goto next;
 
        current_vector = vector;
        current_offset = offset;
@@ -2295,6 +2292,12 @@ static inline void __init check_timer(void)
 
 void __init setup_IO_APIC(void)
 {
+       int i;
+
+       /* Reserve all the system vectors. */
+       for (i = FIRST_SYSTEM_VECTOR; i < NR_VECTORS; i++)
+               set_bit(i, used_vectors);
+
        enable_IO_APIC();
 
        if (acpi_ioapic)