linux-kernel - Re: [PATCH 2/2] kernel: add support for live patching

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] [day] [month] [year] [list]

Date:	Mon, 1 Dec 2014 10:49:46 -0600
From:	Seth Jennings <sjenning@...hat.com>
To:	Pavel Machek <pavel@....cz>
Cc:	Jiri Slaby <jslaby@...e.cz>, Josh Poimboeuf <jpoimboe@...hat.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Vojtech Pavlik <vojtech@...e.cz>,
	Steven Rostedt <rostedt@...dmis.org>,
	live-patching@...r.kernel.org, kpatch@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] kernel: add support for live patching

On Sun, Nov 30, 2014 at 01:23:48PM +0100, Pavel Machek wrote:
> On Thu 2014-11-06 16:51:02, Jiri Slaby wrote:
> > On 11/06/2014, 03:39 PM, Seth Jennings wrote:
> > > This commit introduces code for the live patching core.  It implements
> > > an ftrace-based mechanism and kernel interface for doing live patching
> > > of kernel and kernel module functions.
> > 
> > Hi,
> > 
> > nice! So we have something to start with. Brilliant!
> > 
> > I have some comments below now. Yet, it obviously needs deeper review
> > which will take more time.
> > 
> > > --- /dev/null
> > > +++ b/include/linux/livepatch.h
> > > @@ -0,0 +1,45 @@
> > > +#ifndef _LIVEPATCH_H_
> > > +#define _LIVEPATCH_H_
> > 
> > This should follow the linux kernel naming: LINUX_LIVEPATCH_H
> > 
> > 
> > > +#include <linux/module.h>
> > > +
> > > +struct lp_func {
> > 
> > I am not much happy with "lp" which effectively means parallel printer
> > support. What about lip?
> 
> What about "patch_"?

Hey Pavel,

We are on v4 of this patchset:
https://lkml.org/lkml/2014/11/25/868

We ended up going with klp_ (kernel live patching).

Thanks,
Seth

> 
> It is not so big subsystem that additional typing would matter much...
> 
> -- 
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
> --
> To unsubscribe from this list: send the line "unsubscribe live-patching" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
--
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/