[MIPS] TXx9: Cleanup watchdog

[linux-2.6-omap-h63xx.git] / init / main.c

diff --git a/init/main.c b/init/main.c
index ddada7acf363c9b4dda58913a3080da6462e4b09..9c3b68b86ca055ebd4d5236cf6217b9b35e7f877 100644 (file)
--- a/init/main.c
+++ b/init/main.c
@@ -31,6 +31,7 @@
 #include <linux/kernel_stat.h>
 #include <linux/start_kernel.h>
 #include <linux/security.h>
+#include <linux/smp.h>
 #include <linux/workqueue.h>
 #include <linux/profile.h>
 #include <linux/rcupdate.h>
@@ -86,8 +87,6 @@ extern void init_IRQ(void);
 extern void fork_init(unsigned long);
 extern void mca_init(void);
 extern void sbus_init(void);
-extern void pidhash_init(void);
-extern void pidmap_init(void);
 extern void prio_tree_init(void);
 extern void radix_tree_init(void);
 extern void free_initmem(void);
@@ -414,6 +413,13 @@ static void __init smp_init(void)
 {
        unsigned int cpu;
 
+       /*
+        * Set up the current CPU as possible to migrate to.
+        * The other ones will be done by cpu_up/cpu_down()
+        */
+       cpu = smp_processor_id();
+       cpu_set(cpu, cpu_active_map);
+
        /* FIXME: This should be done in userspace --RR */
        for_each_present_cpu(cpu) {
                if (num_online_cpus() >= setup_max_cpus)
@@ -629,9 +635,11 @@ asmlinkage void __init start_kernel(void)
 
 #ifdef CONFIG_BLK_DEV_INITRD
        if (initrd_start && !initrd_below_start_ok &&
-                       initrd_start < min_low_pfn << PAGE_SHIFT) {
+           page_to_pfn(virt_to_page((void *)initrd_start)) < min_low_pfn) {
                printk(KERN_CRIT "initrd overwritten (0x%08lx < 0x%08lx) - "
-                   "disabling it.\n",initrd_start,min_low_pfn << PAGE_SHIFT);
+                   "disabling it.\n",
+                   page_to_pfn(virt_to_page((void *)initrd_start)),
+                   min_low_pfn);
                initrd_start = 0;
        }
 #endif
@@ -693,55 +701,57 @@ 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[], __early_initcall_end[];
+
+static void __init do_initcalls(void)
+{
+       initcall_t *call;
+
+       for (call = __early_initcall_end; call < __initcall_end; call++)
+               do_one_initcall(*call);
 
        /* Make sure there is no pending stuff from the initcall sequence */
        flush_scheduled_work();
@@ -756,6 +766,7 @@ static void __init do_initcalls(void)
  */
 static void __init do_basic_setup(void)
 {
+       rcu_init_sched(); /* needed by module_init stage. */
        /* drivers will send hotplug events */
        init_workqueues();
        usermodehelper_init();
@@ -764,23 +775,12 @@ static void __init do_basic_setup(void)
        do_initcalls();
 }
 
-static int __initdata nosoftlockup;
-
-static int __init nosoftlockup_setup(char *str)
-{
-       nosoftlockup = 1;
-       return 1;
-}
-__setup("nosoftlockup", nosoftlockup_setup);
-
 static void __init do_pre_smp_initcalls(void)
 {
-       extern int spawn_ksoftirqd(void);
+       initcall_t *call;
 
-       migration_init();
-       spawn_ksoftirqd();
-       if (!nosoftlockup)
-               spawn_softlockup_task();
+       for (call = __initcall_start; call < __early_initcall_end; call++)
+               do_one_initcall(*call);
 }
 
 static void run_init_process(char *init_filename)