From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: Daniel Kiper <daniel.kiper@oracle.com>,
ebiederm@xmission.com, hbabu@us.ibm.com, hpa@linux.intel.com,
keescook@chromium.org, kexec@lists.infradead.org,
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 16:37:27 +0100 [thread overview]
Message-ID: <20131011153727.GA30181@srcf.ucam.org> (raw)
In-Reply-To: <20131011125206.GA2772@redhat.com>
On Fri, Oct 11, 2013 at 08:52:06AM -0400, Vivek Goyal wrote:
> On Fri, Oct 11, 2013 at 01:04:55PM +0200, Daniel Kiper wrote:
>
> [..]
> > > In theory you can swap between to kernels with the preserve_context
> > > case. Technically I like the ability but I don't know that it has ever
> > > achieved much uptake.
> >
> > I think that this is nice idea too. However, I have not seen its usage in real.
> > Even once there was an idea to remove that stuff from Linux Kernel.
>
> I have not seen anybody using it. I don't even know if it works or not.
It works. I'm using it.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2013-10-11 15:38 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 [this message]
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
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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