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Diffstat (limited to 'init')
-rw-r--r--init/main.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/init/main.c b/init/main.c
index b1b9dbf7622f..cc48053bb39f 100644
--- a/init/main.c
+++ b/init/main.c
@@ -545,6 +545,11 @@ asmlinkage __visible void __init start_kernel(void)
trap_init();
mm_init();
+ ftrace_init();
+
+ /* trace_printk can be enabled here */
+ early_trace_init();
+
/*
* Set up the scheduler prior starting any interrupts (such as the
* timer interrupt). Full topology setup happens at smp_init()
@@ -570,7 +575,7 @@ asmlinkage __visible void __init start_kernel(void)
rcu_init();
- /* trace_printk() and trace points may be used after this */
+ /* Trace events are available after this */
trace_init();
context_tracking_init();
@@ -670,8 +675,6 @@ asmlinkage __visible void __init start_kernel(void)
efi_free_boot_services();
}
- ftrace_init();
-
/* Do the rest non-__init'ed, we're now alive */
rest_init();
}
@@ -959,6 +962,7 @@ static int __ref kernel_init(void *unused)
kernel_init_freeable();
/* need to finish all async __init code before freeing the memory */
async_synchronize_full();
+ ftrace_free_init_mem();
free_initmem();
mark_readonly();
system_state = SYSTEM_RUNNING;