linux-kernel - Re: [PATCH]x86_64: build and use GDT on copied compressed kernel

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]

Message-ID: <m1646wpkr5.fsf@ebiederm.dsl.xmission.com>
Date:	Sun, 13 May 2007 13:49:02 -0600
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	"Yinghai Lu" <yhlu.kernel@...il.com>
Cc:	"Andi Kleen" <ak@...e.de>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Vivek Goyal" <vgoyal@...ibm.com>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH]x86_64: build and use GDT on copied compressed kernel

"Yinghai Lu" <yhlu.kernel@...il.com> writes:

> Eric,
>
> I got one question about kexec and bzImage on 64bit kernel.
>
> The bzImage for 64bit kernel must be loaded under 4G?
> but vmlinux for 64bit kernel could be loaded above 4G.
>
> So is there any plan to use 64bit entry point (startup_64) in
> arch/x86_64/boot/compressed/vmlinux in bzImage? so you may
> load bzImage above 4G too.

We have big boot protocol revision coming up to more clearly document
what is needed to work with the native entry points.  It is a 2.6.23
targeted thing and that is one of the things that we are likely to
look at.

Eric
-
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/