On Thu, Sep 03, 2020 at 01:30:33PM -0700, Sami Tolvanen wrote: > Select HAVE_OBJTOOL_MCOUNT if STACK_VALIDATION is selected to use > objtool to generate __mcount_loc sections for dynamic ftrace with > Clang and gcc <5. > > Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx> Am I right to understand that this fixes mcount for Clang generally (i.e. it's not _strictly_ related to LTO, though LTO depends on this change)? And does this mean mcount was working for gcc < 5? Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> -- Kees Cook
