From: Paolo Abeni <pab...@redhat.com> Date: Tue, 04 Dec 2018 12:27:51 +0100
> 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. v2 probably works better and will help me better keep track of things. Thanks for asking.
