Enable objtool coverage for the sample ftrace modules by adding ELF annotations to the asm trampoline functions. samples/ftrace/ftrace-direct.o: warning: objtool: .text+0x0: unreachable instruction samples/ftrace/ftrace-direct-modify.o: warning: objtool: .text+0x0: unreachable instruction samples/ftrace/ftrace-direct-too.o: warning: objtool: .text+0x0: unreachable instruction Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Add a sample module that tests modify_ftrace_direct(), and this can be used by the selftests as well. Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Josh Poimboeuf