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

From: Steven Rostedt
Date: Thu Nov 06 2014 - 15:02:25 EST


On Thu, 6 Nov 2014 08:39:08 -0600
Seth Jennings <sjenning@xxxxxxxxxx> 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.
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