From: "Andi Kleen" <[EMAIL PROTECTED]> Signed-off-by: Andi Kleen <[EMAIL PROTECTED]> Signed-off-by: Andrew Morton <[EMAIL PROTECTED]> ---
25-akpm/arch/x86_64/kernel/head.S | 8 ++++++++ 1 files changed, 8 insertions(+) diff -puN arch/x86_64/kernel/head.S~x86_64-dump-stack-and-prevent-recursion-on-early-fault arch/x86_64/kernel/head.S --- 25/arch/x86_64/kernel/head.S~x86_64-dump-stack-and-prevent-recursion-on-early-fault 2005-04-12 03:21:22.009790904 -0700 +++ 25-akpm/arch/x86_64/kernel/head.S 2005-04-12 03:21:22.012790448 -0700 @@ -200,14 +200,22 @@ init_rsp: .quad init_thread_union+THREAD_SIZE-8 ENTRY(early_idt_handler) + cmpl $2,early_recursion_flag(%rip) + jz 1f + incl early_recursion_flag(%rip) xorl %eax,%eax movq 8(%rsp),%rsi # get rip movq (%rsp),%rdx movq %cr2,%rcx leaq early_idt_msg(%rip),%rdi call early_printk + cmpl $2,early_recursion_flag(%rip) + jz 1f + call dump_stack 1: hlt jmp 1b +early_recursion_flag: + .long 0 early_idt_msg: .asciz "PANIC: early exception rip %lx error %lx cr2 %lx\n" _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/