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authorIngo Molnar <mingo@elte.hu>2008-01-30 13:33:06 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:33:06 +0100
commit076f9776f5d8d131b36955db8641aba3893c2c1b (patch)
treeb85e705ecfe34400c6e1188fb470572956a232ab /arch/x86/kernel/head64.c
parent8866cd9dc9d0bbadcf361a14e0cdfecb66473087 (diff)
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>
Diffstat (limited to 'arch/x86/kernel/head64.c')
-rw-r--r--arch/x86/kernel/head64.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 85c1e6bf802..87e031d4abf 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");