On Mon, Nov 26, 2018 at 9:02 AM Edgecombe, Rick P <rick.p.edgeco...@intel.com> wrote: > > On Fri, 2018-11-23 at 23:18 +0100, Ard Biesheuvel wrote: > > By default, BPF uses module_alloc() to allocate executable memory, > > but this is not necessary on all arches and potentially undesirable > > on some of them. > > > > So break out the module_alloc() and module_memfree() calls into __weak > > functions to allow them to be overridden in arch code. > > > > Signed-off-by: Ard Biesheuvel <ard.biesheu...@linaro.org> > > --- > > It looks like some of the architectures call module_alloc directly in their > bpf_jit_compile implementations as well.
Ew, good catch. :P -- Kees Cook
