diff options
Diffstat (limited to 'arch/x86/kernel/io_apic_32.c')
| -rw-r--r-- | arch/x86/kernel/io_apic_32.c | 54 |
1 files changed, 43 insertions, 11 deletions
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index d382990..7f2bcc3 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -70,7 +70,7 @@ int timer_through_8259 __initdata; */ int sis_apic_bug = -1; -int first_free_entry = NR_IRQS; +int first_free_entry; /* * # of IRQ routing registers */ @@ -98,10 +98,7 @@ static int disable_timer_pin_1 __initdata; * Rough estimation of how many shared IRQs there are, can * be changed anytime. */ -#define MAX_PLUS_SHARED_IRQS NR_IRQS -#define PIN_MAP_SIZE (MAX_PLUS_SHARED_IRQS + NR_IRQS) - -int pin_map_size = PIN_MAP_SIZE; +int pin_map_size; /* * This is performance-critical, we want to do it O(1) @@ -112,7 +109,9 @@ int pin_map_size = PIN_MAP_SIZE; static struct irq_pin_list { int apic, pin, next; -} irq_2_pin[PIN_MAP_SIZE]; +} *irq_2_pin; + +DEFINE_DYN_ARRAY(irq_2_pin, sizeof(struct irq_pin_list), pin_map_size, 16, NULL); struct io_apic { unsigned int index; @@ -403,9 +402,28 @@ static struct irq_cpu_info { #define CPU_TO_PACKAGEINDEX(i) (first_cpu(per_cpu(cpu_sibling_map, i))) -static cpumask_t balance_irq_affinity[NR_IRQS] = { - [0 ... NR_IRQS-1] = CPU_MASK_ALL -}; +static cpumask_t balance_irq_affinity_init __initdata = CPU_MASK_ALL; + +static cpumask_t *balance_irq_affinity; + + +static void __init irq_affinity_init_work(void *data) +{ + struct dyn_array *da = data; + + int i; + struct balance_irq_affinity *affinity; + + affinity = *da->name; + + for (i = 0; i < *da->nr; i++) + memcpy(&affinity[i], &balance_irq_affinity_init, + sizeof(struct balance_irq_affinity)); + +} + +DEFINE_DYN_ARRAY(balance_irq_affinity, sizeof(struct balance_irq_affinity), nr_irqs, PAGE_SIZE, irq_affinity_init_work); + void set_balance_irq_affinity(unsigned int irq, cpumask_t mask) { @@ -1170,14 +1188,28 @@ static inline int IO_APIC_irq_trigger(int irq) } /* irq_vectors is indexed by the sum of all RTEs in all I/O APICs. */ -static u8 irq_vector[NR_IRQ_VECTORS] __read_mostly = { FIRST_DEVICE_VECTOR , 0 }; +static u8 irq_vector_init_first __initdata = FIRST_DEVICE_VECTOR; +static u8 *irq_vector; + +static void __init irq_vector_init_work(void *data) +{ + struct dyn_array *da = data; + + u8 *irq_vec; + + irq_vec = *da->name; + + irq_vec[0] = irq_vector_init_first; +} + +DEFINE_DYN_ARRAY(irq_vector, sizeof(u8), nr_irqs, PAGE_SIZE, irq_vector_init_work); static int __assign_irq_vector(int irq) { static int current_vector = FIRST_DEVICE_VECTOR, current_offset; int vector, offset; - BUG_ON((unsigned)irq >= NR_IRQ_VECTORS); + BUG_ON((unsigned)irq >= nr_irqs); if (irq_vector[irq] > 0) return irq_vector[irq]; |