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-rw-r--r--init/Kconfig5
-rw-r--r--init/main.c10
2 files changed, 12 insertions, 3 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 1e234e2f1cba..317d5ccb5191 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -415,6 +415,11 @@ config IRQ_TIME_ACCOUNTING
If in doubt, say N here.
+config HAVE_SCHED_AVG_IRQ
+ def_bool y
+ depends on IRQ_TIME_ACCOUNTING || PARAVIRT_TIME_ACCOUNTING
+ depends on SMP
+
config BSD_PROCESS_ACCT
bool "BSD Process Accounting"
depends on MULTIUSER
diff --git a/init/main.c b/init/main.c
index 18f8f0140fa0..1c3f90264280 100644
--- a/init/main.c
+++ b/init/main.c
@@ -394,7 +394,7 @@ static void __init setup_command_line(char *command_line)
static __initdata DECLARE_COMPLETION(kthreadd_done);
-static noinline void __ref rest_init(void)
+noinline void __ref rest_init(void)
{
struct task_struct *tsk;
int pid;
@@ -528,6 +528,11 @@ static void __init mm_init(void)
pti_init();
}
+void __init __weak arch_call_rest_init(void)
+{
+ rest_init();
+}
+
asmlinkage __visible void __init start_kernel(void)
{
char *command_line;
@@ -736,7 +741,7 @@ asmlinkage __visible void __init start_kernel(void)
}
/* Do the rest non-__init'ed, we're now alive */
- rest_init();
+ arch_call_rest_init();
}
/* Call all constructor functions linked into the kernel. */
@@ -1064,7 +1069,6 @@ static int __ref kernel_init(void *unused)
/* need to finish all async __init code before freeing the memory */
async_synchronize_full();
ftrace_free_init_mem();
- jump_label_invalidate_initmem();
free_initmem();
mark_readonly();