From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Richard Weinberger <richard@nod.at>
Cc: Richard Weinberger <richard.weinberger@gmail.com>,
Vivek Goyal <vgoyal@redhat.com>,
Daniel Kiper <daniel.kiper@oracle.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
hbabu@us.ibm.com, "H. Peter Anvin" <hpa@linux.intel.com>,
Kees Cook <keescook@chromium.org>,
kexec@lists.infradead.org, LKML <linux-kernel@vger.kernel.org>,
david.vrabel@citrix.com, jbeulich@suse.com, keir@xen.org,
xen-devel@lists.xen.org
Subject: Re: kexec: Clearing registers just before jumping into purgatory
Date: Fri, 11 Oct 2013 18:01:39 +0100 [thread overview]
Message-ID: <20131011170138.GA32619@srcf.ucam.org> (raw)
In-Reply-To: <52582E7D.8080909@nod.at>
On Fri, Oct 11, 2013 at 06:59:41PM +0200, Richard Weinberger wrote:
> Am 11.10.2013 18:55, schrieb Matthew Garrett:
> > 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?
>
> So, you have a variant of ksplice which is able to kexec?
No, I manually look up some addresses from /proc/kallsyms and then
modify them in the second kernel.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2013-10-11 17:02 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 9:28 kexec: Clearing registers just before jumping into purgatory Daniel Kiper
2013-10-11 10:08 ` Eric W. Biederman
2013-10-11 11:04 ` Daniel Kiper
2013-10-11 12:52 ` Vivek Goyal
2013-10-11 15:37 ` Matthew Garrett
2013-10-11 15:44 ` Vivek Goyal
2013-10-11 15:48 ` Matthew Garrett
2013-10-11 16:33 ` Richard Weinberger
2013-10-11 16:39 ` Matthew Garrett
2013-10-11 16:42 ` Richard Weinberger
2013-10-11 16:44 ` Matthew Garrett
2013-10-11 16:47 ` Richard Weinberger
2013-10-11 16:55 ` Matthew Garrett
2013-10-11 16:59 ` Richard Weinberger
2013-10-11 17:01 ` Matthew Garrett [this message]
2013-10-11 20:44 ` Eric W. Biederman
2013-10-11 20:50 ` Matthew Garrett
2013-10-11 16:53 ` Vivek Goyal
2013-10-11 16:56 ` Matthew Garrett
2013-10-11 22:15 ` Eric W. Biederman
2013-10-14 18:24 ` Daniel Kiper
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