On Tue, Nov 15, 2016 at 09:27:47AM -0800, Kees Cook wrote: > On Mon, Nov 14, 2016 at 11:02 PM, Michael Ellerman <m...@ellerman.id.au> > wrote: > > At least on powerpc with GCC 6, the compiler is smart enough to optimise > > lkdtm_CORRUPT_STACK() into an empty function that just returns. > > Sneaky. Thanks! > > > If we print the buffer after we've written to it that prevents the > > compiler from optimising away data and the memset(). > > > > Signed-off-by: Michael Ellerman <m...@ellerman.id.au> > > Acked-by: Kees Cook <keesc...@chromium.org> > > Greg, can you add this to the drivers/misc?
Now added, thanks. greg k-h
