diff options
| author | Yinghai Lu <yinghai.lu@amd.com> | 2006-12-07 02:14:12 +0100 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2006-12-07 02:14:12 +0100 |
| commit | 3df0af0eb064a16bbdbe81b46bc72a4089f88d54 (patch) | |
| tree | c1232506749762eb34c3d12cb3e0da1a48398ba6 | |
| parent | 0741f4d207a644482d7a040f05cd264c98cf7ee8 (diff) | |
[PATCH] x86_64: clear_bss before set_intr_gate with early_idt_handler
idt_table is in the .bss section, so clear_bss need to called at first
Signed-off-by: Yinghai Lu <yinghai.lu@amd.com>
Signed-off-by: Andi Kleen <ak@suse.de>
| -rw-r--r-- | arch/x86_64/kernel/head64.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86_64/kernel/head64.c b/arch/x86_64/kernel/head64.c index 9561eb3c5b5c..cc230b93cd1c 100644 --- a/arch/x86_64/kernel/head64.c +++ b/arch/x86_64/kernel/head64.c @@ -57,10 +57,12 @@ void __init x86_64_start_kernel(char * real_mode_data) { int i; - for (i = 0; i < 256; i++) + /* clear bss before set_intr_gate with early_idt_handler */ + clear_bss(); + + for (i = 0; i < IDT_ENTRIES; i++) set_intr_gate(i, early_idt_handler); asm volatile("lidt %0" :: "m" (idt_descr)); - clear_bss(); early_printk("Kernel alive\n"); |