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x86: early_idt_handler improvements, 64-bit

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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>
This commit is contained in:
Roland McGrath
2008-01-30 13:33:06 +01:00
committed by Ingo Molnar
parent d504e39efd
commit 8866cd9dc9
3 changed files with 37 additions and 5 deletions
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6
include/asm-x86/segment.h
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@@ -195,4 +195,10 @@
#define GDT_ENTRY_TLS_ENTRIES 3
#define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8)
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
extern const char early_idt_handlers[IDT_ENTRIES][10];
#endif
#endif
#endif