[kpatch] [PATCH 2/2] kernel: add support for live patching
Seth Jennings
sjenning at redhat.com
Thu Nov 6 20:19:19 UTC 2014
On Thu, Nov 06, 2014 at 03:02:04PM -0500, Steven Rostedt wrote:
> On Thu, 6 Nov 2014 08:39:08 -0600
> Seth Jennings <sjenning at redhat.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.
Ok.
Thanks,
Seth
>
> -- 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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