linux-kernel - Re: kexec: Clearing registers just before jumping into purgatory

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: <20131011165542.GB32133@srcf.ucam.org>
Date:	Fri, 11 Oct 2013 17:55:42 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Richard Weinberger <richard@....at>
Cc:	Richard Weinberger <richard.weinberger@...il.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Daniel Kiper <daniel.kiper@...cle.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>, hbabu@...ibm.com,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Kees Cook <keescook@...omium.org>, kexec@...ts.infradead.org,
	LKML <linux-kernel@...r.kernel.org>, david.vrabel@...rix.com,
	jbeulich@...e.com, keir@....org, xen-devel@...ts.xen.org
Subject: Re: kexec: Clearing registers just before jumping into purgatory

On Fri, Oct 11, 2013 at 06:47:19PM +0200, Richard Weinberger wrote:

> But you still need a magic tool which create you this list.

I just read /proc/kallsyms. I'm really not doing anything complicated.

> If you have a tool which takes two kernel images and create such
> a delta, fine.

Isn't that ksplice?

-- 
Matthew Garrett | mjg59@...f.ucam.org
--
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/