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] [thread-next>] [day] [month] [year] [list]

Message-ID: <20141106150204.38c600cf@gandalf.local.home>
Date:	Thu, 6 Nov 2014 15:02:04 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Seth Jennings <sjenning@...hat.com>
Cc:	Josh Poimboeuf <jpoimboe@...hat.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Vojtech Pavlik <vojtech@...e.cz>,
	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 Thu,  6 Nov 2014 08:39:08 -0600
Seth Jennings <sjenning@...hat.com> wrote:

> --- /dev/null
> +++ b/kernel/livepatch/Kconfig
> @@ -0,0 +1,11 @@
> +config LIVE_PATCHING
> +	tristate "Live Kernel Patching"
> +	depends on DYNAMIC_FTRACE_WITH_REGS && MODULES && SYSFS && KALLSYMS_ALL
> +	default m

Nuke this default. This should be default 'n', which is what kconfig
defaults to when none is mentioned.

-- Steve

> +	help
> +	  Say Y here if you want to support live kernel patching.
> +	  This setting has no runtime impact until a live-patch
> +	  kernel module that uses the live-patch interface provided
> +	  by this option is loaded, resulting in calls to patched
> +	  functions being redirected to the new function code contained
> +	  in the live-patch module.
--
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/