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[Xen-ia64-devel] Re: [Xen-devel] [Patch][0/2]implement dump_execution_st

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-ia64-devel] Re: [Xen-devel] [Patch][0/2]implement dump_execution_state() on ia64
From: Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
Date: Fri, 28 Mar 2008 01:56:55 +0900
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Hi, Keir

>On 27/3/08 13:05, "Akio Takebe" <takebe_akio@xxxxxxxxxxxxxx> wrote:
>
>> This patch can show Calltraces at BUG_ON() on ia64.
>> And this supports xm debug-key d on ia64.
>> This patch needs to modify some common codes for supporting them.
>
>Can you carefully explain why the interface changes are required?
>
IA64 needs unwind infomation to show the Calltrace.
To make the unwind infomation, we needs switch stack and pt_regs.
So if possible, I want to use pt_regs at geting a interrupt.

I make many interface change because debug-key use IPI.
But I just want to use pt_regs.

Best Regards,

Akio Takebe


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