On Thu, 5 Sep 2019, Petr Mladek wrote: > > I don't have a number, but it's very common to patch a function which > > uses jump labels or alternatives. > > Really? My impression is that both alternatives and jump_labels > are used in hot paths. I would expect them mostly in core code > that is always loaded. > > Alternatives are often used in assembly that we are not able > to livepatch anyway. > > Or are they spread widely via some macros or inlined functions? All the indirect jumps are turned into alternatives when retpolines are in place. -- Jiri Kosina SUSE Labs
