imbalance = move_this_load;
- /* For physical_balance case, we accumlated both load
+ /* For physical_balance case, we accumulated both load
* values in the one of the siblings cpu_irq[],
* to use the same code for physical and logical processors
* as much as possible.
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);
}
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;
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)
}
/*
- * MSI mesage composition
+ * MSI message composition
*/
#ifdef CONFIG_PCI_MSI
static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg)