aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/irq
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-01-30 12:23:30 -0500
committerIngo Molnar <mingo@elte.hu>2009-01-30 12:23:30 -0500
commitc43e0e46adf79c321ed3fbf0351e1005fb8a2413 (patch)
tree35b9ab361651f649d3c9aa69f159812eba50d154 /kernel/irq
parentdba3d36b2f0842ed7f25c33cd3a2ccdb3d0df9db (diff)
parentf2257b70b0f9b2fe8f2afd83fc6798dca75930b8 (diff)
Merge branch 'linus' into core/percpu
Conflicts: kernel/irq/handle.c
Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/handle.c16
-rw-r--r--kernel/irq/manage.c10
2 files changed, 17 insertions, 9 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 375d68cd5bf0..f51eaee921b6 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -40,6 +40,18 @@ void handle_bad_irq(unsigned int irq, struct irq_desc *desc)
40 ack_bad_irq(irq); 40 ack_bad_irq(irq);
41} 41}
42 42
43#if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_HARDIRQS)
44static void __init init_irq_default_affinity(void)
45{
46 alloc_bootmem_cpumask_var(&irq_default_affinity);
47 cpumask_setall(irq_default_affinity);
48}
49#else
50static void __init init_irq_default_affinity(void)
51{
52}
53#endif
54
43/* 55/*
44 * Linux has a controller-independent interrupt architecture. 56 * Linux has a controller-independent interrupt architecture.
45 * Every controller has a 'controller-template', that is used 57 * Every controller has a 'controller-template', that is used
@@ -133,6 +145,8 @@ int __init early_irq_init(void)
133 int legacy_count; 145 int legacy_count;
134 int i; 146 int i;
135 147
148 init_irq_default_affinity();
149
136 /* initialize nr_irqs based on nr_cpu_ids */ 150 /* initialize nr_irqs based on nr_cpu_ids */
137 arch_probe_nr_irqs(); 151 arch_probe_nr_irqs();
138 printk(KERN_INFO "NR_IRQS:%d nr_irqs:%d\n", NR_IRQS, nr_irqs); 152 printk(KERN_INFO "NR_IRQS:%d nr_irqs:%d\n", NR_IRQS, nr_irqs);
@@ -229,6 +243,8 @@ int __init early_irq_init(void)
229 int count; 243 int count;
230 int i; 244 int i;
231 245
246 init_irq_default_affinity();
247
232 printk(KERN_INFO "NR_IRQS:%d\n", NR_IRQS); 248 printk(KERN_INFO "NR_IRQS:%d\n", NR_IRQS);
233 249
234 desc = irq_desc; 250 desc = irq_desc;
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index b98739af4558..a3a5dc9ef346 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -15,17 +15,9 @@
15 15
16#include "internals.h" 16#include "internals.h"
17 17
18#ifdef CONFIG_SMP 18#if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_HARDIRQS)
19cpumask_var_t irq_default_affinity; 19cpumask_var_t irq_default_affinity;
20 20
21static int init_irq_default_affinity(void)
22{
23 alloc_cpumask_var(&irq_default_affinity, GFP_KERNEL);
24 cpumask_setall(irq_default_affinity);
25 return 0;
26}
27core_initcall(init_irq_default_affinity);
28
29/** 21/**
30 * synchronize_irq - wait for pending IRQ handlers (on other CPUs) 22 * synchronize_irq - wait for pending IRQ handlers (on other CPUs)
31 * @irq: interrupt number to wait for 23 * @irq: interrupt number to wait for