Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty...

[firefly-linux-kernel-4.4.55.git] / init / main.c

diff --git a/init/main.c b/init/main.c
index 8af2f1abfe38d5f36eade88169f4f9cd04d8ec5a..321d0ceb26d3782ed6871feef4c52090e9872b23 100644 (file)
--- a/init/main.c
+++ b/init/main.c
@@ -501,13 +501,13 @@ asmlinkage __visible void __init start_kernel(void)
 {
        char *command_line;
        char *after_dashes;
-       extern const struct kernel_param __start___param[], __stop___param[];
 
        /*
         * Need to run as early as possible, to initialize the
         * lockdep hash:
         */
        lockdep_init();
+       set_task_stack_end_magic(&init_task);
        smp_setup_processor_id();
        debug_objects_early_init();
 
@@ -544,7 +544,7 @@ asmlinkage __visible void __init start_kernel(void)
                                  static_command_line, __start___param,
                                  __stop___param - __start___param,
                                  -1, -1, &unknown_bootoption);
-       if (after_dashes)
+       if (!IS_ERR_OR_NULL(after_dashes))
                parse_args("Setting init args", after_dashes, NULL, 0, -1, -1,
                           set_init_arg);
 
@@ -583,6 +583,7 @@ asmlinkage __visible void __init start_kernel(void)
        early_irq_init();
        init_IRQ();
        tick_init();
+       rcu_init_nohz();
        init_timers();
        hrtimers_init();
        softirq_init();
@@ -842,7 +843,6 @@ static char *initcall_level_names[] __initdata = {
 
 static void __init do_initcall_level(int level)
 {
-       extern const struct kernel_param __start___param[], __stop___param[];
        initcall_t *fn;
 
        strcpy(initcall_command_line, saved_command_line);