On Tue, Jan 16, 2018 at 12:52:28PM -0800, Andi Kleen wrote: > From: Andi Kleen <a...@linux.intel.com> > > Add a marker for retpoline to the module VERMAGIC. This catches > the case when a non RETPOLINE compiled module gets loaded into > a retpoline kernel, making it insecure. > > It doesn't handle the case when retpoline has been runtime disabled. > Even in this case the match of the retcompile status will be enforced. > This implies that even with retpoline run time disabled all modules > loaded need to be recompiled. > > This supersedes an earlier patch that did the same checking using > a new module tag (so it's really a v3) > > Signed-off-by: Andi Kleen <a...@linux.intel.com>
Reviewed-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
