x86: early_idt_handler improvements, 64-bit
It's not too pretty, but I found this made the "PANIC: early exception"
messages become much more reliably useful: 1. print the vector number,
2. print the %cs value, 3. handle error-code-pushing vs non-pushing vectors.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 4a1c135..85c1e6bf 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -59,7 +59,7 @@
zap_identity_mappings();
for (i = 0; i < IDT_ENTRIES; i++)
- set_intr_gate(i, early_idt_handler);
+ set_intr_gate(i, &early_idt_handlers[i]);
load_idt((const struct desc_ptr *)&idt_descr);
early_printk("Kernel alive\n");