x86: make early printk selectable on 64-bit as well

Enable CONFIG_EMBEDDED to select CONFIG_EARLY_PRINTK on 64-bit as well.

saves ~2K:

   text    data     bss     dec     hex filename
   7290283 3672091 1907848 12870222         c4624e vmlinux.before
   7288373 3671795 1907848 12868016         c459b0 vmlinux.after

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 6 insertions, 1 deletions

diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 85c1e6bf8022..87e031d4abf1 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -58,8 +58,13 @@ void __init x86_64_start_kernel(char * real_mode_data)
         /* Make NULL pointers segfault */
         zap_identity_mappings();
 
-        for (i = 0; i < IDT_ENTRIES; i++)
+        for (i = 0; i < IDT_ENTRIES; i++) {
+#ifdef CONFIG_EARLY_PRINTK
                 set_intr_gate(i, &early_idt_handlers[i]);
+#else
+                set_intr_gate(i, early_idt_handler);
+#endif
+        }
         load_idt((const struct desc_ptr *)&idt_descr);
 
         early_printk("Kernel alive\n");