From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad@kernel.org>
Subject: Re: start_info content for linux
Date: Wed, 26 Sep 2012 07:53:25 -0400
Message-ID: <20120926115324.GD7356@phenom.dumpdata.com>
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To: George Shuklin <george.shuklin@gmail.com>
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On Wed, Sep 26, 2012 at 12:32:40PM +0400, George Shuklin wrote:
> Good day.
> 
> I've digging in some strange memory/balloon related bug and I've
> really like to see start_info content on linux. I saw in source code
> 
> #ifdef CONFIG_X86_32
>         mov %esi,xen_start_info
>         mov $init_thread_union+THREAD_SIZE,%esp
> #else
>         mov %rsi,xen_start_info
>         mov $init_thread_union+THREAD_SIZE,%rsp
> #endif
>         jmp xen_start_kernel
> 
> Pointer to start_info stored in linux global variable
> xen_start_info, but I can't find way to access it.
> 
> Is any way to get it from linux kernel? (well, except writing your
> own module).

No. That is the only way.

What do you want to get out of the xen_start_kernel structure?
> 
> Thanks.
> 
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