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Date:   Tue, 15 Jan 2019 19:00:12 +0800
From:   lijiang <lijiang@...hat.com>
To:     Dave Anderson <anderson@...hat.com>,
        Borislav Petkov <bp@...en8.de>,
        Kazuhito Hagio <k-hagio@...jp.nec.com>
Cc:     linux-kernel@...r.kernel.org, kexec@...ts.infradead.org,
        tglx@...utronix.de, mingo@...hat.com, x86@...nel.org,
        akpm@...ux-foundation.org, bhe@...hat.com, dyoung@...hat.com,
        linux-doc@...r.kernel.org
Subject: Re: [PATCH 1/2 v6] kdump: add the vmcoreinfo documentation

在 2019年01月15日 04:49, Dave Anderson 写道:
> 
> 
> ----- Original Message -----
>> On Mon, Jan 14, 2019 at 03:26:32PM -0500, Dave Anderson wrote:
>>> No.  It needs *both* the vmlinux file and the vmcore file in order to read
>>> kernel
>>> virtual memory, so just having a kernel virtual address is insufficient.
>>>
>>> So it's a chicken-and-egg situation.  This particular --osrelease option is used
>>> to determine *what* vmlinux file would be required for an actual crash analysis
>>> session.
>>
>> Ok, that makes sense. I could've used that explanation when reviewing
>> the documentation. Do you mind skimming through this:
>>
>> https://lkml.kernel.org/r/20190111145650.GG4729@zn.tnic
>>
>> in case we've missed explaining relevant usage - like that above - of
>> some of the vmcoreinfo members?
> 
> Yeah, I've been watching the thread, and the document looks fine to me.
> It's just that when I saw the discussion of this one being removed that
> I felt the need to respond...  ;-)

Thank you for explaining this issue. 

Regards,
Lianbo

> 
> Dave
> 

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