linux-kernel - Re: [tip:x86/urgent] x86, efi stub: Add .reloc section back into image

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Message-ID: <20120608090621.GB10841@gmail.com>
Date:	Fri, 8 Jun 2012 11:06:21 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Maarten Lankhorst <m.b.lankhorst@...il.com>
Cc:	lee.g.rosenbaum@...el.com, hpa@...or.com,
	linux-kernel@...r.kernel.org, jordan.l.justen@...el.com,
	tglx@...utronix.de, rydberg@...omail.se, matt.fleming@...el.com,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:x86/urgent] x86, efi stub: Add .reloc section back into
 image


* Maarten Lankhorst <m.b.lankhorst@...il.com> wrote:

> Hey,
> 
> Op 07-06-12 20:37, tip-bot for Jordan Justen schreef:
> > Commit-ID:  743628e868c5992354fc80b4d1e9a6143da1c0e6
> > Gitweb:     http://git.kernel.org/tip/743628e868c5992354fc80b4d1e9a6143da1c0e6
> > Author:     Jordan Justen <jordan.l.justen@...el.com>
> > AuthorDate: Thu, 7 Jun 2012 09:05:21 -0700
> > Committer:  H. Peter Anvin <hpa@...or.com>
> > CommitDate: Thu, 7 Jun 2012 09:52:33 -0700
> >
> > x86, efi stub: Add .reloc section back into image
> >
> > Some UEFI firmware will not load a .efi with a .reloc section
> > with a size of 0.
> >
> > Therefore, we create a .efi image with 4 main areas and 3 sections.
> > 1. PE/COFF file header
> > 2. .setup section (covers all setup code following the first sector)
> > 3. .reloc section (contains 1 dummy reloc entry, created in build.c)
> > 4. .text section (covers the remaining kernel image)
> >
> Scary how some patches arrive a few minutes before you need them.

We are all working hard on perfecting our precog skills!

Thanks,

	Ingo
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