irq: Do not attempt to create subdirectories if /proc/irq/<irq> failed

[safe/jmp/linux-2.6] / kernel / irq / handle.c

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index a600184..17c71bb 100644 (file)
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/irq.h>
+#include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/random.h>
@@ -45,7 +46,7 @@ void handle_bad_irq(unsigned int irq, struct irq_desc *desc)
 #if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_HARDIRQS)
 static void __init init_irq_default_affinity(void)
 {
-       alloc_bootmem_cpumask_var(&irq_default_affinity);
+       alloc_cpumask_var(&irq_default_affinity, GFP_NOWAIT);
        cpumask_setall(irq_default_affinity);
 }
 #else
@@ -150,6 +151,7 @@ int __init early_irq_init(void)
 {
        struct irq_desc *desc;
        int legacy_count;
+       int node;
        int i;
 
        init_irq_default_affinity();
@@ -160,20 +162,23 @@ int __init early_irq_init(void)
 
        desc = irq_desc_legacy;
        legacy_count = ARRAY_SIZE(irq_desc_legacy);
+       node = first_online_node;
 
        /* allocate irq_desc_ptrs array based on nr_irqs */
-       irq_desc_ptrs = alloc_bootmem(nr_irqs * sizeof(void *));
+       irq_desc_ptrs = kcalloc(nr_irqs, sizeof(void *), GFP_NOWAIT);
 
        /* allocate based on nr_cpu_ids */
-       /* FIXME: invert kstat_irgs, and it'd be a per_cpu_alloc'd thing */
-       kstat_irqs_legacy = alloc_bootmem(NR_IRQS_LEGACY * nr_cpu_ids *
-                                         sizeof(int));
+       kstat_irqs_legacy = kzalloc_node(NR_IRQS_LEGACY * nr_cpu_ids *
+                                         sizeof(int), GFP_NOWAIT, node);
 
        for (i = 0; i < legacy_count; i++) {
                desc[i].irq = i;
+#ifdef CONFIG_SMP
+               desc[i].node = node;
+#endif
                desc[i].kstat_irqs = kstat_irqs_legacy + i * nr_cpu_ids;
                lockdep_set_class(&desc[i].lock, &irq_desc_lock_class);
-               alloc_desc_masks(&desc[i], 0, true);
+               alloc_desc_masks(&desc[i], node, true);
                init_desc_masks(&desc[i]);
                irq_desc_ptrs[i] = desc + i;
        }