Merge branch 'bkl/core' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic...

[sfrench/cifs-2.6.git] / init / main.c

diff --git a/init/main.c b/init/main.c
index 4ddb53f04f2acb0aefb84df89efc105e8f1ba90e..b8b6effe9ff49b362b3608ff125ee19ccb58f720 100644 (file)
--- a/init/main.c
+++ b/init/main.c
@@ -32,7 +32,6 @@
 #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>
 #include <linux/moduleparam.h>
@@ -66,11 +65,9 @@
 #include <linux/ftrace.h>
 #include <linux/async.h>
 #include <linux/kmemcheck.h>
-#include <linux/kmemtrace.h>
 #include <linux/sfi.h>
 #include <linux/shmem_fs.h>
 #include <linux/slab.h>
-#include <trace/boot.h>
 
 #include <asm/io.h>
 #include <asm/bugs.h>
@@ -444,7 +441,6 @@ static noinline void __init_refok rest_init(void)
        kthreadd_task = find_task_by_pid_ns(pid, &init_pid_ns);
        rcu_read_unlock();
        complete(&kthreadd_done);
-       unlock_kernel();
 
        /*
         * The boot idle thread must execute schedule()
@@ -566,7 +562,6 @@ asmlinkage void __init start_kernel(void)
  * Interrupts are still disabled. Do necessary setups, then
  * enable them
  */
-       lock_kernel();
        tick_init();
        boot_cpu_init();
        page_address_init();
@@ -664,7 +659,6 @@ asmlinkage void __init start_kernel(void)
 #endif
        page_cgroup_init();
        enable_debug_pagealloc();
-       kmemtrace_init();
        kmemleak_init();
        debug_objects_mem_init();
        idr_init_cache();
@@ -726,38 +720,33 @@ int initcall_debug;
 core_param(initcall_debug, initcall_debug, bool, 0644);
 
 static char msgbuf[64];
-static struct boot_trace_call call;
-static struct boot_trace_ret ret;
 
 int do_one_initcall(initcall_t fn)
 {
        int count = preempt_count();
        ktime_t calltime, delta, rettime;
+       unsigned long long duration;
+       int ret;
 
        if (initcall_debug) {
-               call.caller = task_pid_nr(current);
-               printk("calling  %pF @ %i\n", fn, call.caller);
+               printk("calling  %pF @ %i\n", fn, task_pid_nr(current));
                calltime = ktime_get();
-               trace_boot_call(&call, fn);
-               enable_boot_trace();
        }
 
-       ret.result = fn();
+       ret = fn();
 
        if (initcall_debug) {
-               disable_boot_trace();
                rettime = ktime_get();
                delta = ktime_sub(rettime, calltime);
-               ret.duration = (unsigned long long) ktime_to_ns(delta) >> 10;
-               trace_boot_ret(&ret, fn);
-               printk("initcall %pF returned %d after %Ld usecs\n", fn,
-                       ret.result, ret.duration);
+               duration = (unsigned long long) ktime_to_ns(delta) >> 10;
+               printk("initcall %pF returned %d after %lld usecs\n", fn,
+                       ret, duration);
        }
 
        msgbuf[0] = 0;
 
-       if (ret.result && ret.result != -ENODEV && initcall_debug)
-               sprintf(msgbuf, "error code %d ", ret.result);
+       if (ret && ret != -ENODEV && initcall_debug)
+               sprintf(msgbuf, "error code %d ", ret);
 
        if (preempt_count() != count) {
                strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf));
@@ -771,7 +760,7 @@ int do_one_initcall(initcall_t fn)
                printk("initcall %pF returned with %s\n", fn, msgbuf);
        }
 
-       return ret.result;
+       return ret;
 }
 
 
@@ -797,7 +786,6 @@ static void __init do_initcalls(void)
  */
 static void __init do_basic_setup(void)
 {
-       init_workqueues();
        cpuset_init_smp();
        usermodehelper_init();
        init_tmpfs();
@@ -830,7 +818,6 @@ static noinline int init_post(void)
        /* need to finish all async __init code before freeing the memory */
        async_synchronize_full();
        free_initmem();
-       unlock_kernel();
        mark_rodata_ro();
        system_state = SYSTEM_RUNNING;
        numa_default_policy();
@@ -870,8 +857,6 @@ static int __init kernel_init(void * unused)
         * Wait until kthreadd is all set-up.
         */
        wait_for_completion(&kthreadd_done);
-       lock_kernel();
-
        /*
         * init can allocate pages on any node
         */
@@ -895,7 +880,6 @@ static int __init kernel_init(void * unused)
        smp_prepare_cpus(setup_max_cpus);
 
        do_pre_smp_initcalls();
-       start_boot_trace();
 
        smp_init();
        sched_init_smp();