diff options
Diffstat (limited to 'init/main.c')
| -rw-r--r-- | init/main.c | 82 |
1 files changed, 42 insertions, 40 deletions
diff --git a/init/main.c b/init/main.c index ddada7acf36..f7fb20021d4 100644 --- a/init/main.c +++ b/init/main.c @@ -693,55 +693,57 @@ static int __init initcall_debug_setup(char *str) } __setup("initcall_debug", initcall_debug_setup); -extern initcall_t __initcall_start[], __initcall_end[]; - -static void __init do_initcalls(void) +static void __init do_one_initcall(initcall_t fn) { - initcall_t *call; int count = preempt_count(); + ktime_t t0, t1, delta; + char msgbuf[64]; + int result; - for (call = __initcall_start; call < __initcall_end; call++) { - ktime_t t0, t1, delta; - char *msg = NULL; - char msgbuf[40]; - int result; + if (initcall_debug) { + print_fn_descriptor_symbol("calling %s\n", fn); + t0 = ktime_get(); + } - if (initcall_debug) { - print_fn_descriptor_symbol("calling %s()\n", - (unsigned long) *call); - t0 = ktime_get(); - } + result = fn(); - result = (*call)(); + if (initcall_debug) { + t1 = ktime_get(); + delta = ktime_sub(t1, t0); - if (initcall_debug) { - t1 = ktime_get(); - delta = ktime_sub(t1, t0); + print_fn_descriptor_symbol("initcall %s", fn); + printk(" returned %d after %Ld msecs\n", result, + (unsigned long long) delta.tv64 >> 20); + } - print_fn_descriptor_symbol("initcall %s()", - (unsigned long) *call); - printk(" returned %d after %Ld msecs\n", result, - (unsigned long long) delta.tv64 >> 20); - } + msgbuf[0] = 0; - if (result && result != -ENODEV && initcall_debug) { - sprintf(msgbuf, "error code %d", result); - msg = msgbuf; - } - if (preempt_count() != count) { - msg = "preemption imbalance"; - preempt_count() = count; - } - if (irqs_disabled()) { - msg = "disabled interrupts"; - local_irq_enable(); - } - if (msg) { - print_fn_descriptor_symbol(KERN_WARNING "initcall %s()", - (unsigned long) *call); - printk(" returned with %s\n", msg); - } + if (result && result != -ENODEV && initcall_debug) + sprintf(msgbuf, "error code %d ", result); + + if (preempt_count() != count) { + strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf)); + preempt_count() = count; + } + if (irqs_disabled()) { + strlcat(msgbuf, "disabled interrupts ", sizeof(msgbuf)); + local_irq_enable(); + } + if (msgbuf[0]) { + print_fn_descriptor_symbol(KERN_WARNING "initcall %s", fn); + printk(" returned with %s\n", msgbuf); } +} + + +extern initcall_t __initcall_start[], __initcall_end[]; + +static void __init do_initcalls(void) +{ + initcall_t *call; + + for (call = __initcall_start; call < __initcall_end; call++) + do_one_initcall(*call); /* Make sure there is no pending stuff from the initcall sequence */ flush_scheduled_work(); |