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authorTejun Heo <tj@kernel.org>2011-05-24 03:59:36 -0400
committerTejun Heo <tj@kernel.org>2011-05-24 03:59:36 -0400
commit6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0 (patch)
treec9d7fc50a2e2147a5ca07e3096e7eeb916ad2da9 /arch/um
parent0415b00d175e0d8945e6785aad21b5f157976ce0 (diff)
parent6ea0c34dac89611126455537552cffe6c7e832ad (diff)
Merge branch 'fixes-2.6.39' into for-2.6.40
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/Kconfig.common1
-rw-r--r--arch/um/kernel/irq.c53
2 files changed, 4 insertions, 50 deletions
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 1e78940218c0..109ddc0071c6 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -8,6 +8,7 @@ config UML
8 default y 8 default y
9 select HAVE_GENERIC_HARDIRQS 9 select HAVE_GENERIC_HARDIRQS
10 select GENERIC_HARDIRQS_NO_DEPRECATED 10 select GENERIC_HARDIRQS_NO_DEPRECATED
11 select GENERIC_IRQ_SHOW
11 12
12config MMU 13config MMU
13 bool 14 bool
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index 64cfea80cfe2..9e485c770308 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -18,52 +18,6 @@
18#include "os.h" 18#include "os.h"
19 19
20/* 20/*
21 * Generic, controller-independent functions:
22 */
23
24int show_interrupts(struct seq_file *p, void *v)
25{
26 int i = *(loff_t *) v, j;
27 struct irqaction * action;
28 unsigned long flags;
29
30 if (i == 0) {
31 seq_printf(p, " ");
32 for_each_online_cpu(j)
33 seq_printf(p, "CPU%d ",j);
34 seq_putc(p, '\n');
35 }
36
37 if (i < NR_IRQS) {
38 struct irq_desc *desc = irq_to_desc(i);
39
40 raw_spin_lock_irqsave(&desc->lock, flags);
41 action = desc->action;
42 if (!action)
43 goto skip;
44 seq_printf(p, "%3d: ",i);
45#ifndef CONFIG_SMP
46 seq_printf(p, "%10u ", kstat_irqs(i));
47#else
48 for_each_online_cpu(j)
49 seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
50#endif
51 seq_printf(p, " %14s", get_irq_desc_chip(desc)->name);
52 seq_printf(p, " %s", action->name);
53
54 for (action=action->next; action; action = action->next)
55 seq_printf(p, ", %s", action->name);
56
57 seq_putc(p, '\n');
58skip:
59 raw_spin_unlock_irqrestore(&desc->lock, flags);
60 } else if (i == NR_IRQS)
61 seq_putc(p, '\n');
62
63 return 0;
64}
65
66/*
67 * This list is accessed under irq_lock, except in sigio_handler, 21 * This list is accessed under irq_lock, except in sigio_handler,
68 * where it is safe from being modified. IRQ handlers won't change it - 22 * where it is safe from being modified. IRQ handlers won't change it -
69 * if an IRQ source has vanished, it will be freed by free_irqs just 23 * if an IRQ source has vanished, it will be freed by free_irqs just
@@ -390,11 +344,10 @@ void __init init_IRQ(void)
390{ 344{
391 int i; 345 int i;
392 346
393 set_irq_chip_and_handler(TIMER_IRQ, &SIGVTALRM_irq_type, handle_edge_irq); 347 irq_set_chip_and_handler(TIMER_IRQ, &SIGVTALRM_irq_type, handle_edge_irq);
394 348
395 for (i = 1; i < NR_IRQS; i++) { 349 for (i = 1; i < NR_IRQS; i++)
396 set_irq_chip_and_handler(i, &normal_irq_type, handle_edge_irq); 350 irq_set_chip_and_handler(i, &normal_irq_type, handle_edge_irq);
397 }
398} 351}
399 352
400/* 353/*