linux-kernel - Re: [PATCH 2/2] x86, boot: Optimize the elf header handling.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sun, 01 Jul 2012 10:15:29 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	hacklu <embedway.linux@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] x86, boot: Optimize the elf header handling.

On 07/01/2012 10:09 AM, Eric W. Biederman wrote:
>
> I am suspecting something similar.  At the moment I am trying
> to remember how to get early printk working in misc.c so I can
> poke around a bit more.
>
> The theory that I was working on, that used to be true, and
> seems to be true of everything except the percpu section is
> that objcopy just does the right thing when creating vmlinux.bin.
> vmlinux.bin being what we compress.
>
> I don't see anything obviously wrong with the headers of vmlinux.bin
> although we still unnecessarily have section headers in that file.
>

We leave the section headers in for the benefit of Xen IIRC.

	-hpa


-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/