linux-kernel - Re: [RFC, PATCH 4/4] elf_core_dump(): Add extended numbering support

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Date:	Wed, 16 Dec 2009 11:32:41 +0900 (JST)
From:	Daisuke HATAYAMA <d.hatayama@...fujitsu.com>
To:	andi@...stfloor.org
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	jdike@...toit.com, tony.luck@...el.com, mhiramat@...hat.com
Subject: Re: [RFC, PATCH 4/4] elf_core_dump(): Add extended numbering
 support


> Daisuke HATAYAMA <d.hatayama@...fujitsu.com> writes:
> 
> > diff --git a/arch/um/sys-i386/elfcore.c b/arch/um/sys-i386/elfcore.c
> > index 4e320f0..4e34e47 100644
> > --- a/arch/um/sys-i386/elfcore.c
> > +++ b/arch/um/sys-i386/elfcore.c
> 
> Again you only seem to patch UML, not real x86 (arch/x86/*) ?
> 
> -Andi

Thanks for your comment.

ELF_CORE_EXTRA_* macros writes vDSO data, but currently it is included
in vmas part. See the commit f47aef55d9a18945fcdd7fd6bf01121ce973b91b.

On the other hand, for IA64 architecture, there is also unwiding
information, so the macros cannot be removed.

For UML-i386, I don't know wheather ELF_CORE_EXTRA_* can be removed or
not as i386 could.

Thanks.
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