On Mon, 2018-12-03 at 10:04 -0800, Eric Dumazet wrote: > On 12/03/2018 03:40 AM, Paolo Abeni wrote: > > This header define a bunch of helpers that allow avoiding the > > retpoline overhead when calling builtin functions via function pointers. > > It boils down to explicitly comparing the function pointers to > > known builtin functions and eventually invoke directly the latter. > > > > The macros defined here implement the boilerplate for the above schema > > and will be used by the next patches. > > > > rfc -> v1: > > - use branch prediction hint, as suggested by Eric > > > > Suggested-by: Eric Dumazet <Eric Dumazet eduma...@google.com> > > Signed-off-by: Paolo Abeni <pab...@redhat.com> > > --- > > include/linux/indirect_call_wrapper.h | 77 +++++++++++++++++++++++++++ > > 1 file changed, 77 insertions(+) > > create mode 100644 include/linux/indirect_call_wrapper.h > > This needs to be discussed more broadly, please include lkml
Agreed. @David: please let me know if you prefer a repost or a v2 with the expanded recipients list. > Also please include Paul Turner <p...@google.com> in the discussion, since > he was > the inventor of this idea. I will do. Thanks, Paolo
