提交 e0df154f 编写于 作者: L Linus Torvalds

Split up 'do_initcalls()' into two simpler functions

One function to just loop over the entries, one function to actually do
the call and the associated debugging code.
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 a442ac51
......@@ -693,30 +693,25 @@ 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();
for (call = __initcall_start; call < __initcall_end; call++) {
ktime_t t0, t1, delta;
char msgbuf[40];
int result;
if (initcall_debug) {
print_fn_descriptor_symbol("calling %s\n", *call);
print_fn_descriptor_symbol("calling %s\n", fn);
t0 = ktime_get();
}
result = (*call)();
result = fn();
if (initcall_debug) {
t1 = ktime_get();
delta = ktime_sub(t1, t0);
print_fn_descriptor_symbol("initcall %s", *call);
print_fn_descriptor_symbol("initcall %s", fn);
printk(" returned %d after %Ld msecs\n", result,
(unsigned long long) delta.tv64 >> 20);
}
......@@ -735,10 +730,20 @@ static void __init do_initcalls(void)
local_irq_enable();
}
if (msgbuf[0]) {
print_fn_descriptor_symbol(KERN_WARNING "initcall %s", *call);
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();
......
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