On Wed, 25 Jun 2014 13:06:59 +0200 Jiri Slaby <[email protected]> wrote:
> This is based on Udo's text which was augmented in this patch. > > Signed-off-by: Jiri Slaby <[email protected]> > Cc: Udo Seidel <[email protected]> > Cc: Vojtech Pavlik <[email protected]> > --- > kernel/Kconfig.kgraft | 3 +++ > samples/Kconfig | 4 ++++ > 2 files changed, 7 insertions(+) > > diff --git a/kernel/Kconfig.kgraft b/kernel/Kconfig.kgraft > index f38d82c06580..bead93646071 100644 > --- a/kernel/Kconfig.kgraft > +++ b/kernel/Kconfig.kgraft > @@ -5,3 +5,6 @@ config KGRAFT > bool "kGraft infrastructure" > depends on DYNAMIC_FTRACE_WITH_REGS > depends on HAVE_KGRAFT > + help > + Select this to enable kGraft online kernel patching. The > + runtime price is zero, so it is safe to say Y here. > diff --git a/samples/Kconfig b/samples/Kconfi The runtime impact is that you've just introduced a virus and trojan writers delight into your kernel. There's a balance between convenience and security but given most users will never use kgraft this advice seems incorrect. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

