makedumpfile -g with recent kernels

[HATAYAMA Daisuke]

From: Atsushi Kumagai <kumagai-atsushi at mxc.nes.nec.co.jp>
Subject: Re: makedumpfile -g with recent kernels
Date: Thu, 2 Aug 2012 15:04:29 +0900

> Hello HATAYAMA-san,
> 
> On Thu, 02 Aug 2012 14:47:14 +0900 (JST)
> HATAYAMA Daisuke <d.hatayama at jp.fujitsu.com> wrote:
> 
>> From: Atsushi Kumagai <kumagai-atsushi at mxc.nes.nec.co.jp>
>> Subject: Re: makedumpfile -g with recent kernels
>> Date: Thu, 2 Aug 2012 14:12:51 +0900
>> 
>> > Hello Stefan,
>> > 
>> > On Mon, 09 Jul 2012 11:17:13 +0200
>> > Stefan Bader <stefan.bader at canonical.com> wrote:
>> > 
>> >> Hi,
>> >> 
>> >> I am not sure whether this really is the preferred way as I heard the required
>> >> info now is in vmcore and vmcoreinfo would not be needed anymore. But just to
>> >> have it produce some output I noticed that it trips again over some member of
>> >> struct page that moved into some anonymous structure/union combo.
>> >> There was some code that was quite specific for the page.mapping case (which now
>> >> seems to be outside again). I changed the code to be more generic. It did fix my
>> >> _count problem and should also handle the mapping case (though I could not test).
>> >> So maybe this would be worth adding to the upstream code.
>> >> 
>> >> -Stefan
>> >> 
>> >> Please include me in cc's as I am not subscribed to this ml.
>> > 
>> > Thank you for your nice work!
>> > 
>> 
>> Hello Kumagai-san,
>> 
>> I want to see a whole part of Stefan's patch. Could you post it on the
>> ml?
> 
> This is the Stefan's patch. 
> 

Thanks, and this patch helps a lot.

BTW, I think we can get rid of DWARF_INFO_GET_MEMBER_OFFSET_1ST_UNION
path, too.

Thanks.
HATAYAMA, Daisuke