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| author | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:33:06 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:33:06 +0100 |
| commit | 076f9776f5d8d131b36955db8641aba3893c2c1b (patch) | |
| tree | b85e705ecfe34400c6e1188fb470572956a232ab /arch/x86/kernel/head64.c | |
| parent | x86: early_idt_handler improvements, 64-bit (diff) | |
| download | linux-076f9776f5d8d131b36955db8641aba3893c2c1b.tar.xz linux-076f9776f5d8d131b36955db8641aba3893c2c1b.zip | |
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.c | 7 |
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"); |